Water Temperature of the South Santiam River in Sweet Home, OR
Current Water Temperature
Measurement Time: Sunday, January 18, 2026, 3:40 PM PST
Temperature Locations
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Local Points of Interest
Foster Reservoir; Foster Dam; Andrew Wiley Park; Camp KoinoniaStation Name: SOUTH SANTIAM RIVER NEAR FOSTER, OR
Data Source: Water Data - usgc.gov
Elevation Above Sea Level: 564 feet
Nearest Address:
42853 Green River Dr
Sweet Home, OR 97386
Linn County
GPS Coordinates: 44.4123468, -122.6886956
Nearby Water Temperatures
Middle Santiam River, Foster, OR (7.3 mi)South Santiam River, Waterloo, OR (8.9 mi)
South Santiam River, Cascadia, OR (9.5 mi)
Quartzville Creek, Cascadia, OR (15.3 mi)
Middle Santiam River, Cascadia, OR (17.2 mi)
McKenzie River, Vida, OR (22.6 mi)
McKenzie River, Walterville, OR (24 mi)
North Fork Quartz Creek, Blue River, OR (24.3 mi)
Blue River Lake, Blue River, OR (24.5 mi)
Blue River, Blue River, OR (24.6 mi)
North Santiam River, Jefferson, OR (24.8 mi)
Blue River, Blue River, OR (24.9 mi)
North Santiam River, Mehama, OR (25.3 mi)
Camp Creek, Springfield, OR (25.5 mi)
Lookout Creek, Blue River, OR (25.5 mi)
Weather for Sweet Home, Oregon
Current Weather

Five Day Weather Forecast

Sun
H: 56°F
L: 39°F

Mon
H: 55°F
L: 38°F

Tue
H: 54°F
L: 38°F

Wed
H: 54°F
L: 40°F

Thu
H: 46°F
L: 39°F
Air Quality
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3
Astronomical
Sun Transit: 12:21 AM
Sunset: 5:01 PM
Daylight: 9 hrs 20 mins
Moon Transit: 12:25 AM
Moonset: 4:56 PM
Moon Phase: New
Moon Illumination: 2.5%
Best Times for Fishing or Hunting
Major Periods
7:49 PM - 10:19 PM11:55 AM - 2:25 PM
Minor Periods
4:26 PM - 5:56 PM7:32 AM - 9:02 AM
Action Rating: 4 out of 5
Air Stagnation Advisory issued January 18 at 2:06AM PST until January 20 at 10:00AM PST by NWS Portland OR
Effective: Sun January 18, 2026, 2:06 AM
Expires: Tue January 20, 2026, 10:00 AM
* WHAT...Light winds and limited air movement will lead to a period of stagnant air conditions. * WHERE...Central and Southern Willamette Valley, and Tualatin Valley. * WHEN...Until 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 18 at 11:55AM PST until January 21 at 4:00PM PST by NWS Portland OR
Effective: Sun January 18, 2026, 11:55 AM
Expires: Wed January 21, 2026, 4:00 PM
* WHAT...Light winds and limited air movement will lead to a period of stagnant air conditions. * WHERE...Central and Southern Willamette Valley, and Tualatin Valley. * WHEN...Until 4 PM PST Wednesday. * 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: 15.84 μg/m3
Sulphur Dioxide: 1.47 μg/m3
Ozone: 15.69 μg/m3
Astronomical
Sun Transit: 12:21 AM
Sunset: 5:01 PM
Daylight: 9 hrs 20 mins
Moon Transit: 12:25 AM
Moonset: 4:56 PM
Moon Phase: New
Moon Illumination: 2.5%
Best Times for Fishing or Hunting
Major Periods
7:49 PM - 10:19 PM11:55 AM - 2:25 PM
Minor Periods
4:26 PM - 5:56 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: 5:03 PM
Daylight: 9 hrs 22 mins
Moon Transit: 1:14 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 PM12:44 AM - 3:14 PM
Minor Periods
5:36 PM - 7:06 PM8:02 AM - 9:32 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: 5:04 PM
Daylight: 9 hrs 24 mins
Moon Transit: 2:01 PM
Moonset: 7:18 PM
Moon Phase: New
Moon Illumination: 3.1%
Best Times for Fishing or Hunting
Major Periods
9:24 PM - 11:54 PM1:31 PM - 4:01 PM
Minor Periods
6:48 PM - 8:18 PM8:26 AM - 9:56 AM
Action Rating: 3 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3
Astronomical
Sun Transit: 12:22 AM
Sunset: 5:05 PM
Daylight: 9 hrs 26 mins
Moon Transit: 2:46 PM
Moonset: 8:29 PM
Moon Phase: Waxing Crescent
Moon Illumination: 8.1%
Best Times for Fishing or Hunting
Major Periods
12:00 AM - 12:00 AM2:16 PM - 4:46 PM
Minor Periods
7:59 PM - 9:29 PM8:46 AM - 10:16 AM
Action Rating: 3 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3
Astronomical
Sun Transit: 12:22 AM
Sunset: 5:07 PM
Daylight: 9 hrs 28 mins
Moon Transit: 3:31 PM
Moonset: 9:40 PM
Moon Phase: Waxing Crescent
Moon Illumination: 15.4%
Best Times for Fishing or Hunting
Major Periods
12:00 AM - 12:00 AM3:01 PM - 5:31 PM
Minor Periods
9:10 PM - 10:40 PM9:05 AM - 10:35 AM
Action Rating: 3 out of 5
