Water Temperature of the Middle Santiam River in Foster, OR
Current Water Temperature
Measurement Time: Friday, January 16, 2026, 4:00 AM PST
Temperature Locations
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Local Points of Interest
Green Peter Reservoir; Green Peter Dam; Billings ParkStation Name: MIDDLE SANTIAM R BLW GREEN PETER DAM NR FOSTER, OR
Data Source: Water Data - usgc.gov
Elevation Above Sea Level: 745 feet
Nearest Address:
Quartzville Dr
Foster, OR 97345
Linn County
GPS Coordinates: 44.44818005, -122.5503613
Nearby Water Temperatures
South Santiam River, Cascadia, OR (4.7 mi)South Santiam River, Sweet Home, OR (7.3 mi)
Quartzville Creek, Cascadia, OR (8.5 mi)
Middle Santiam River, Cascadia, OR (9.9 mi)
South Santiam River, Waterloo, OR (13.9 mi)
Blue River, Blue River, OR (21.3 mi)
North Fork Quartz Creek, Blue River, OR (21.6 mi)
Lookout Creek, Blue River, OR (22 mi)
Blue River Lake, Blue River, OR (22 mi)
Blue River, Blue River, OR (22.5 mi)
McKenzie River, Vida, OR (22.7 mi)
North Santiam River, Mehama, OR (23.6 mi)
Little North Santiam River, Lyons, OR (23.8 mi)
Detroit Lake, Detroit, OR (23.9 mi)
North Santiam River, Niagara, OR (24.5 mi)
Weather for Foster, Oregon
Current Weather

Five Day Weather Forecast

Fri
H: 54°F
L: 31°F

Sat
H: 59°F
L: 31°F

Sun
H: 59°F
L: 31°F

Mon
H: 62°F
L: 31°F

Tue
H: 59°F
L: 31°F
Air Quality
Nitrogen Dioxide: 4.75 μg/m3
Sulphur Dioxide: 1.05 μg/m3
Ozone: 60 μg/m3
Astronomical
Sun Transit: 12:20 AM
Sunset: 4:58 PM
Daylight: 9 hrs 16 mins
Moon Transit: 10:41 AM
Moonset: 2:43 PM
Moon Phase: Waning Crescent
Moon Illumination: 0.5%
Best Times for Fishing or Hunting
Major Periods
6:07 PM - 8:37 PM10:11 AM - 12:41 AM
Minor Periods
2:13 PM - 3:43 PM6:11 AM - 7:41 AM
Action Rating: 3 out of 5
Dense Fog Advisory issued January 15 at 8:09PM PST until January 16 at 12:00PM PST by NWS Portland OR
Effective: Thu January 15, 2026, 8:09 PM
Expires: Fri January 16, 2026, 8:15 AM
* WHAT...For the Dense Fog Advisory, visibility one quarter mile or less in dense fog. For the Air Stagnation Advisory, light winds and limited air movement will lead to a period of stagnant air conditions. * WHERE...South Willamette Valley. * WHEN...For the Dense Fog Advisory, until noon PST Friday. For the Air Stagnation Advisory, from 7 PM Saturday to 10 AM PST Tuesday. * IMPACTS...Deteriorating air quality may cause issues for people with respiratory problems. Low visibility could make driving conditions hazardous.
State air quality agencies highly recommend that no outdoor burning occur and that residential wood burning devices be limited as much as possible. According to state air quality agencies, prolonged periods of stagnant air can hold pollutants close to the ground where people live and breathe. Check with your local burn agency for any current restrictions in your area. People with respiratory illness should follow their physician's advice for dealing with high levels of air pollution during periods of stagnant air, especially if an Air Quality Alert is in effect for your area. To see if an Air Quality Alert is in effect for your area, go to www.weather.gov/pqr and left-click your location on the homepage map display. Alternatively, you could also type your location into the search bar found on the top-left hand side of the homepage. From there, you will see an Air Quality Alert listed at the top if one is in effect for your location; you can click the alert to read more details if applicable. If driving, slow down and leave plenty of distance ahead of you. Pedestrians and cyclists should wear bright or reflective clothing to increase the chances of being seen by others in poor visibility conditions.
Air Stagnation Advisory issued January 15 at 8:09PM PST until January 20 at 10:00AM PST by NWS Portland OR
Effective: Thu January 15, 2026, 8:09 PM
Expires: Fri January 16, 2026, 8:15 AM
* WHAT...For the Dense Fog Advisory, visibility one quarter mile or less in dense fog. For the Air Stagnation Advisory, light winds and limited air movement will lead to a period of stagnant air conditions. * WHERE...South Willamette Valley. * WHEN...For the Dense Fog Advisory, until noon PST Friday. For the Air Stagnation Advisory, from 7 PM Saturday to 10 AM PST Tuesday. * IMPACTS...Deteriorating air quality may cause issues for people with respiratory problems. Low visibility could make driving conditions hazardous.
State air quality agencies highly recommend that no outdoor burning occur and that residential wood burning devices be limited as much as possible. According to state air quality agencies, prolonged periods of stagnant air can hold pollutants close to the ground where people live and breathe. Check with your local burn agency for any current restrictions in your area. People with respiratory illness should follow their physician's advice for dealing with high levels of air pollution during periods of stagnant air, especially if an Air Quality Alert is in effect for your area. To see if an Air Quality Alert is in effect for your area, go to www.weather.gov/pqr and left-click your location on the homepage map display. Alternatively, you could also type your location into the search bar found on the top-left hand side of the homepage. From there, you will see an Air Quality Alert listed at the top if one is in effect for your location; you can click the alert to read more details if applicable. If driving, slow down and leave plenty of distance ahead of you. Pedestrians and cyclists should wear bright or reflective clothing to increase the chances of being seen by others in poor visibility conditions.
Dense Fog Advisory issued January 16 at 3:22AM PST until January 16 at 12:00PM PST by NWS Portland OR
Effective: Fri January 16, 2026, 3:22 AM
Expires: Fri January 16, 2026, 3:30 PM
* WHAT...For the Dense Fog Advisory, visibility one quarter mile or less in dense fog. For the Air Stagnation Advisory, light winds and limited air movement will lead to a period of stagnant air conditions. * WHERE...South Willamette Valley. * WHEN...For the Dense Fog Advisory, until noon PST today. For the Air Stagnation Advisory, from 7 PM Saturday to 10 AM PST Tuesday. * IMPACTS...Deteriorating air quality may cause issues for people with respiratory problems. Low visibility could make driving conditions hazardous.
State air quality agencies highly recommend that no outdoor burning occur and that residential wood burning devices be limited as much as possible. According to state air quality agencies, prolonged periods of stagnant air can hold pollutants close to the ground where people live and breathe. Check with your local burn agency for any current restrictions in your area. People with respiratory illness should follow their physician's advice for dealing with high levels of air pollution during periods of stagnant air, especially if an Air Quality Alert is in effect for your area. To see if an Air Quality Alert is in effect for your area, go to www.weather.gov/pqr and left-click your location on the homepage map display. Alternatively, you could also type your location into the search bar found on the top-left hand side of the homepage. From there, you will see an Air Quality Alert listed at the top if one is in effect for your location; you can click the alert to read more details if applicable. If driving, slow down and leave plenty of distance ahead of you. Pedestrians and cyclists should wear bright or reflective clothing to increase the chances of being seen by others in poor visibility conditions.
Air Stagnation Advisory issued January 16 at 3:22AM PST until January 20 at 10:00AM PST by NWS Portland OR
Effective: Fri January 16, 2026, 3:22 AM
Expires: Fri January 16, 2026, 3:30 PM
* WHAT...For the Dense Fog Advisory, visibility one quarter mile or less in dense fog. For the Air Stagnation Advisory, light winds and limited air movement will lead to a period of stagnant air conditions. * WHERE...South Willamette Valley. * WHEN...For the Dense Fog Advisory, until noon PST today. For the Air Stagnation Advisory, from 7 PM Saturday to 10 AM PST Tuesday. * IMPACTS...Deteriorating air quality may cause issues for people with respiratory problems. Low visibility could make driving conditions hazardous.
State air quality agencies highly recommend that no outdoor burning occur and that residential wood burning devices be limited as much as possible. According to state air quality agencies, prolonged periods of stagnant air can hold pollutants close to the ground where people live and breathe. Check with your local burn agency for any current restrictions in your area. People with respiratory illness should follow their physician's advice for dealing with high levels of air pollution during periods of stagnant air, especially if an Air Quality Alert is in effect for your area. To see if an Air Quality Alert is in effect for your area, go to www.weather.gov/pqr and left-click your location on the homepage map display. Alternatively, you could also type your location into the search bar found on the top-left hand side of the homepage. From there, you will see an Air Quality Alert listed at the top if one is in effect for your location; you can click the alert to read more details if applicable. If driving, slow down and leave plenty of distance ahead of you. Pedestrians and cyclists should wear bright or reflective clothing to increase the chances of being seen by others in poor visibility conditions.
Air Stagnation Advisory issued January 15 at 8:09PM PST until January 20 at 10:00AM PST by NWS Portland OR
Effective: Thu January 15, 2026, 8:09 PM
Expires: Fri January 16, 2026, 8:15 AM
* WHAT...Light winds and limited air movement will lead to a period of stagnant air conditions. * WHERE...Central Willamette Valley, and Tualatin Valley. * WHEN...From 7 PM Saturday to 10 AM PST Tuesday. * IMPACTS...Deteriorating air quality may cause issues for people with respiratory problems.
State air quality agencies highly recommend that no outdoor burning occur and that residential wood burning devices be limited as much as possible. According to state air quality agencies, prolonged periods of stagnant air can hold pollutants close to the ground where people live and breathe. Check with your local burn agency for any current restrictions in your area. People with respiratory illness should follow their physician's advice for dealing with high levels of air pollution during periods of stagnant air, especially if an Air Quality Alert is in effect for your area. To see if an Air Quality Alert is in effect for your area, go to www.weather.gov/pqr and left-click your location on the homepage map display. Alternatively, you could also type your location into the search bar found on the top-left hand side of the homepage. From there, you will see an Air Quality Alert listed at the top if one is in effect for your location; you can click the alert to read more details if applicable.
Air Stagnation Advisory issued January 16 at 3:22AM PST until January 20 at 10:00AM PST by NWS Portland OR
Effective: Fri January 16, 2026, 3:22 AM
Expires: Fri January 16, 2026, 3:30 PM
* WHAT...Light winds and limited air movement will lead to a period of stagnant air conditions. * WHERE...Central Willamette Valley, and Tualatin Valley. * WHEN...From 7 PM Saturday to 10 AM PST Tuesday. * IMPACTS...Deteriorating air quality may cause issues for people with respiratory problems.
State air quality agencies highly recommend that no outdoor burning occur and that residential wood burning devices be limited as much as possible. According to state air quality agencies, prolonged periods of stagnant air can hold pollutants close to the ground where people live and breathe. Check with your local burn agency for any current restrictions in your area. People with respiratory illness should follow their physician's advice for dealing with high levels of air pollution during periods of stagnant air, especially if an Air Quality Alert is in effect for your area. To see if an Air Quality Alert is in effect for your area, go to www.weather.gov/pqr and left-click your location on the homepage map display. Alternatively, you could also type your location into the search bar found on the top-left hand side of the homepage. From there, you will see an Air Quality Alert listed at the top if one is in effect for your location; you can click the alert to read more details if applicable.
Weather Forecast
Air Quality
Nitrogen Dioxide: 3.9 μg/m3
Sulphur Dioxide: 1.25 μg/m3
Ozone: 64.96 μg/m3
Astronomical
Sun Transit: 12:20 AM
Sunset: 4:58 PM
Daylight: 9 hrs 16 mins
Moon Transit: 10:41 AM
Moonset: 2:43 PM
Moon Phase: Waning Crescent
Moon Illumination: 0.5%
Best Times for Fishing or Hunting
Major Periods
6:07 PM - 8:37 PM10:11 AM - 12:41 AM
Minor Periods
2:13 PM - 3:43 PM6:11 AM - 7:41 AM
Action Rating: 3 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 3.59 μg/m3
Sulphur Dioxide: 1.11 μg/m3
Ozone: 56.48 μg/m3
Astronomical
Sun Transit: 12:20 AM
Sunset: 4:59 PM
Daylight: 9 hrs 18 mins
Moon Transit: 11:33 AM
Moonset: 3:46 PM
Moon Phase: New
Moon Illumination: 0.2%
Best Times for Fishing or Hunting
Major Periods
6:59 PM - 9:29 PM11:03 AM - 1:33 PM
Minor Periods
3:16 PM - 4:46 PM6:55 AM - 8:25 AM
Action Rating: 4 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 9.14 μg/m3
Sulphur Dioxide: 1.09 μg/m3
Ozone: 40.85 μg/m3
Astronomical
Sun Transit: 12:20 AM
Sunset: 5:01 PM
Daylight: 9 hrs 20 mins
Moon Transit: 12:24 AM
Moonset: 4:55 PM
Moon Phase: New
Moon Illumination: 2.5%
Best Times for Fishing or Hunting
Major Periods
7:50 PM - 10:20 PM11:54 AM - 2:24 PM
Minor Periods
4:25 PM - 5:55 PM7:32 AM - 9:02 AM
Action Rating: 4 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3
Astronomical
Sun Transit: 12:21 AM
Sunset: 5:02 PM
Daylight: 9 hrs 22 mins
Moon Transit: 1:13 PM
Moonset: 6:06 PM
Moon Phase: New
Moon Illumination: 0.4%
Best Times for Fishing or Hunting
Major Periods
8:38 PM - 11:08 PM12:43 AM - 3:13 PM
Minor Periods
5:36 PM - 7:06 PM8:01 AM - 9:31 AM
Action Rating: 4 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3
Astronomical
Sun Transit: 12:21 AM
Sunset: 5:03 PM
Daylight: 9 hrs 24 mins
Moon Transit: 2:00 PM
Moonset: 7:17 PM
Moon Phase: New
Moon Illumination: 3.1%
Best Times for Fishing or Hunting
Major Periods
9:25 PM - 11:55 PM1:30 PM - 4:00 PM
Minor Periods
6:47 PM - 8:17 PM8:25 AM - 9:55 AM
Action Rating: 3 out of 5
