Water Temperature of the Middle Santiam River in Foster, OR
Current Water Temperature
Measurement Time: Monday, July 7, 2025, 5:00 AM PDT
Temperature Locations
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Local Points of Interest
Green Peter Reservoir; Green Peter Dam; Billings ParkSponsored Content
Station Name: MIDDLE SANTIAM R BLW GREEN PETER DAM NR FOSTER, OR
Data Source: Water Data - usgc.gov
Elevation Above Sea Level: 745 feet / 227 meters
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)
Lookout Creek, Blue River, OR (22.0 mi)
Blue River Lake, Blue River, OR (22.0 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)
Blowout Creek, Detroit, OR (25.0 mi)
Smith River, Belknap Springs, OR (26.1 mi)
Weather for Foster, Oregon
Current Weather

Humidity: 51%
Feels Like: 85.5°F
Wind: WNW 6 mph
Wind Gusts: 7 mph
Precipitation: 0 in
Cloud Cover: 0%
Visibility: 6 mi
UV Index: 8.3
Five Day Weather Forecast

Mon
H: 87°F
L: 56°F

Tue
H: 83°F
L: 49°F

Wed
H: 75°F
L: 60°F

Thu
H: 76°F
L: 48°F

Fri
H: 89°F
L: 45°F
Air Quality
Nitrogen Dioxide: 3.33 μg/m3
Sulphur Dioxide: 1.85 μg/m3
Ozone: 119 μg/m3
Astronomical
Sun Transit: 1:15 PM
Sunset: 8:57 PM
Daylight: 15 hrs 23 mins
Moon Transit: 11:01 PM
Moonset: 2:24 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 91.7%
Best Times for Fishing or Hunting
Major Periods
5:36 AM - 8:06 AM12:00 AM - 12:00 AM
Minor Periods
6:27 PM - 7:57 PM1:54 AM - 3:24 AM
Action Rating: 3 out of 5
Fire Weather Watch issued July 6 at 1:40PM PDT until July 8 at 11:00PM PDT by NWS Pendleton OR
Effective: Sun July 6, 2025, 1:40 PM
Expires: Mon July 7, 2025, 2:00 PM
...DRY THUNDERSTORMS EXPECTED FOR TUESDAY AFTERNOON THROUGH TUESDAY EVENING FOR ABUNDANT LIGHTNING FOR THE CENTRAL MOUNTAINS OF OREGON AND SOUTHERN DESCHUTES NATIONAL FOREST... .The ridge of high pressure is anticipated to break down Tuesday afternoon with a dry cold front making its way into the region. Ahead of the front, instability is expected to increase along with an influx of mid-level moisture. This will lead to convection along the central mountains of Oregon and through the southern Deschutes National Forest Tuesday afternoon. Dry thunderstorms will be isolated. The National Weather Service in Pendleton has issued a Fire Weather Watch for abundant lightning, which is in effect from Tuesday afternoon through Tuesday evening. * AFFECTED AREA...Fire Weather Zones 700 Central Mountains of Oregon and 705 Southern Deschutes National Forest. * TIMING...From Tuesday afternoon through Tuesday evening. * IMPACTS...Any fire that develops will catch and spread quickly. Outdoor burning is not recommended. * THUNDERSTORMS...Storms are mostly expected to be dry with rainfall amounts less than a tenth of an inch, though a few storms could produce rainfall amounts in excess of a tenth of an inch. * OUTFLOW WINDS...As high as 45 mph.
A Fire Weather Watch means that critical fire weather conditions are forecast to occur. Listen for later forecasts and possible Red Flag Warnings.
Fire Weather Watch issued July 6 at 1:40PM PDT until July 8 at 11:00PM PDT by NWS Pendleton OR
Effective: Sun July 6, 2025, 1:40 PM
Expires: Mon July 7, 2025, 2:00 PM
...DRY THUNDERSTORMS EXPECTED FOR TUESDAY AFTERNOON THROUGH TUESDAY EVENING FOR ABUNDANT LIGHTNING FOR THE CENTRAL MOUNTAINS OF OREGON AND SOUTHERN DESCHUTES NATIONAL FOREST... .The ridge of high pressure is anticipated to break down Tuesday afternoon with a dry cold front making its way into the region. Ahead of the front, instability is expected to increase along with an influx of mid-level moisture. This will lead to convection along the central mountains of Oregon and through the southern Deschutes National Forest Tuesday afternoon. Dry thunderstorms will be isolated. The National Weather Service in Pendleton has issued a Fire Weather Watch for abundant lightning, which is in effect from Tuesday afternoon through Tuesday evening. * AFFECTED AREA...Fire Weather Zones 700 Central Mountains of Oregon and 705 Southern Deschutes National Forest. * TIMING...From Tuesday afternoon through Tuesday evening. * IMPACTS...Any fire that develops will catch and spread quickly. Outdoor burning is not recommended. * THUNDERSTORMS...Storms are mostly expected to be dry with rainfall amounts less than a tenth of an inch, though a few storms could produce rainfall amounts in excess of a tenth of an inch. * OUTFLOW WINDS...As high as 45 mph.
A Fire Weather Watch means that critical fire weather conditions are forecast to occur. Listen for later forecasts and possible Red Flag Warnings.
Weather Forecast
Average Temperature: 72.4°F
Average Humidity: 54%
Wind: 6.3 mph
UV Index: 2.5
Air Quality
Nitrogen Dioxide: 9.65 μg/m3
Sulphur Dioxide: 1.26 μg/m3
Ozone: 88.72 μg/m3
Astronomical
Sun Transit: 1:15 PM
Sunset: 8:57 PM
Daylight: 15 hrs 23 mins
Moon Transit: 11:01 PM
Moonset: 2:24 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 91.7%
Best Times for Fishing or Hunting
Major Periods
5:36 AM - 8:06 AM12:00 AM - 12:00 AM
Minor Periods
6:27 PM - 7:57 PM1:54 AM - 3:24 AM
Action Rating: 3 out of 5
Weather Forecast
Average Temperature: 69.4°F
Average Humidity: 67%
Wind: 8.3 mph
UV Index: 2.5
Air Quality
Nitrogen Dioxide: 10.27 μg/m3
Sulphur Dioxide: 1.45 μg/m3
Ozone: 92.04 μg/m3
Astronomical
Sun Transit: 1:15 PM
Sunset: 8:56 PM
Daylight: 15 hrs 22 mins
Moon Transit: 11:55 PM
Moonset: 3:04 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 96.8%
Best Times for Fishing or Hunting
Major Periods
6:28 AM - 8:58 AM12:00 AM - 12:00 AM
Minor Periods
7:26 PM - 8:56 PM2:34 AM - 4:04 AM
Action Rating: 3 out of 5
Weather Forecast
Average Temperature: 66.7°F
Average Humidity: 78%
Wind: 10.3 mph
UV Index: 2.4
Air Quality
Nitrogen Dioxide: 8.47 μg/m3
Sulphur Dioxide: 0.88 μg/m3
Ozone: 57.48 μg/m3
Astronomical
Sun Transit: 1:15 PM
Sunset: 8:56 PM
Daylight: 15 hrs 21 mins
Moon Transit: 12:00 AM
Moonset: 3:55 AM
Moon Phase: Full
Moon Illumination: 99.6%
Best Times for Fishing or Hunting
Major Periods
12:00 AM - 12:00 AM7:22 AM - 9:52 AM
Minor Periods
8:17 PM - 9:47 PM3:25 AM - 4:55 AM
Action Rating: 3 out of 5
Weather Forecast
Average Temperature: 64.3°F
Average Humidity: 75%
Wind: 7.2 mph
UV Index: 2.6
Air Quality
Nitrogen Dioxide: 2.99 μg/m3
Sulphur Dioxide: 0.33 μg/m3
Ozone: 39.92 μg/m3
Astronomical
Sun Transit: 1:15 PM
Sunset: 8:55 PM
Daylight: 15 hrs 19 mins
Moon Transit: 12:50 AM
Moonset: 4:57 AM
Moon Phase: Full
Moon Illumination: 99.8%
Best Times for Fishing or Hunting
Major Periods
12:20 AM - 2:50 AM8:17 AM - 10:47 AM
Minor Periods
8:59 PM - 10:29 PM4:27 AM - 5:57 AM
Action Rating: 5 out of 5
Weather Forecast
Average Temperature: 67.6°F
Average Humidity: 52%
Wind: 7.8 mph
UV Index: 0
Air Quality
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3
Astronomical
Sun Transit: 1:15 PM
Sunset: 8:55 PM
Daylight: 15 hrs 18 mins
Moon Transit: 1:44 AM
Moonset: 6:06 AM
Moon Phase: Full
Moon Illumination: 97.4%
Best Times for Fishing or Hunting
Major Periods
1:14 AM - 3:44 AM9:11 AM - 11:41 AM
Minor Periods
9:32 PM - 11:02 PM5:36 AM - 7:06 AM
Action Rating: 4 out of 5