Water Temperature of the Middle Santiam River in Foster, OR

Current Water Temperature

48.0°F

Measurement Time: Sunday, November 23, 2025, 12:50 PM PST

Temperature Locations

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Local Points of Interest

Green Peter Reservoir; Green Peter Dam; Billings Park

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Middle Santiam River

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)
North Fork Quartz Creek, Blue River, OR (21.6 mi)
Lookout Creek, Blue River, OR (22.0 mi)
Blue River Lake, Blue River, OR (22.0 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

48.7°F
Overcast
Conditions: Overcast
Humidity: 93%
Feels Like: 48.3°F
Wind: SSW 2.9 mph
Wind Gusts: 3.6 mph
Pressure: 30.15 in
Precipitation: 0.13 in
Cloud Cover: 100%
Visibility: 9 mi
UV Index: 0

Five Day Weather Forecast

Moderate rain
Sun
H: 53°F
L: 39°F
Patchy rain nearby
Mon
H: 45°F
L: 26°F
Moderate rain
Tue
H: 48°F
L: 31°F
Heavy rain
Wed
H: 53°F
L: 38°F
Moderate rain
Thu
H: 51°F
L: 35°F

Air Quality

AQI: 1 - Good
PM2.5: 4.95 μg/m3
PM10: 6.05 μg/m3
Carbon Monoxide: 149.85 μg/m3
Nitrogen Dioxide: 3.25 μg/m3
Sulphur Dioxide: 1.35 μg/m3
Ozone: 66 μg/m3

Astronomical

Sunrise: 7:17 AM
Sun Transit: 11:56 AM
Sunset: 4:36 PM
Daylight: 9 hrs 19 mins
Moonrise: 10:48 AM
Moon Transit: 2:51 PM
Moonset: 6:59 PM
Moon Phase: Waxing Crescent
Moon Illumination: 8.5%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
2:21 PM - 4:51 PM

Minor Periods

6:29 PM - 7:59 PM
10:18 AM - 11:48 AM

Action Rating: 3 out of 5

Beach Hazards Statement issued November 23 at 2:04AM PST until November 24 at 10:00AM PST by NWS Portland OR

Effective: Sun November 23, 2025, 2:04 AM
Expires: Sun November 23, 2025, 8:00 PM

* WHAT...Sneaker waves possible. * WHERE...North and Central Coast of Oregon, and South Washington Coast. * WHEN...Through Monday morning. * IMPACTS...Waves can run up significantly farther on a beach than normal, including over rocks and jetties. Sneaker waves can suddenly knock people off of their feet and quickly pull them into the frigid ocean which may lead to serious injury or drowning. * ADDITIONAL DETAILS...A Beach Hazards Statement is issued when sneaker waves create potentially life-threatening conditions in the surf zone. Caution should be used when in or near the water. Always keep an eye on the waves, and be especially watchful of children. Those participating in razor clam digs should exercise caution.

Remain out of the water to avoid hazardous swimming conditions.


Beach Hazards Statement issued November 23 at 12:21PM PST until November 24 at 10:00AM PST by NWS Portland OR

Effective: Sun November 23, 2025, 12:21 PM
Expires: Mon November 24, 2025, 10:00 AM

* WHAT...Sneaker waves possible. * WHERE...North and Central Coast of Oregon, and South Washington Coast. * WHEN...Through Monday morning. * IMPACTS...Waves can run up significantly farther on a beach than normal, including over rocks and jetties. Sneaker waves can suddenly knock people off of their feet and quickly pull them into the frigid ocean which may lead to serious injury or drowning. * ADDITIONAL DETAILS...A Beach Hazards Statement is issued when sneaker waves create potentially life-threatening conditions in the surf zone. Caution should be used when in or near the water. Always keep an eye on the waves, and be especially watchful of children. Those participating in razor clam digs should exercise caution.

Remain out of the water to avoid hazardous swimming conditions.
Sunday, November 23, 2025

Weather Forecast

Conditions: Moderate rain
Average Temperature: 44.7°F
Average Humidity: 65%
Chance of Rain: 89%
Wind: 4.3 mph
UV Index: 0

Air Quality

AQI: 1 - Good
PM2.5: 10.11 μg/m3
PM10: 10.85 μg/m3
Carbon Monoxide: 317.41 μg/m3
Nitrogen Dioxide: 6.93 μg/m3
Sulphur Dioxide: 1.33 μg/m3
Ozone: 51.92 μg/m3

Astronomical

Sunrise: 7:17 AM
Sun Transit: 11:56 AM
Sunset: 4:36 PM
Daylight: 9 hrs 19 mins
Moonrise: 10:48 AM
Moon Transit: 2:51 PM
Moonset: 6:59 PM
Moon Phase: Waxing Crescent
Moon Illumination: 8.5%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
2:21 PM - 4:51 PM

Minor Periods

6:29 PM - 7:59 PM
10:18 AM - 11:48 AM

Action Rating: 3 out of 5

Monday, November 24, 2025

Weather Forecast

Conditions: Patchy rain nearby
Average Temperature: 41.7°F
Average Humidity: 84%
Chance of Rain: 88%
Wind: 4.9 mph
UV Index: 0.2

Air Quality

AQI: 1 - Good
PM2.5: 7.88 μg/m3
PM10: 9.01 μg/m3
Carbon Monoxide: 172.33 μg/m3
Nitrogen Dioxide: 4.31 μg/m3
Sulphur Dioxide: 1.53 μg/m3
Ozone: 67.96 μg/m3

Astronomical

Sunrise: 7:18 AM
Sun Transit: 11:57 AM
Sunset: 4:35 PM
Daylight: 9 hrs 17 mins
Moonrise: 11:26 AM
Moon Transit: 3:42 PM
Moonset: 8:05 PM
Moon Phase: Waxing Crescent
Moon Illumination: 15.9%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
3:12 PM - 5:42 PM

Minor Periods

7:35 PM - 9:05 PM
10:56 AM - 12:26 AM

Action Rating: 2 out of 5

Tuesday, November 25, 2025

Weather Forecast

Conditions: Moderate rain
Average Temperature: 38.6°F
Average Humidity: 63%
Chance of Rain: 82%
Wind: 5.1 mph
UV Index: 0.1

Air Quality

AQI: 1 - Good
PM2.5: 6.17 μg/m3
PM10: 6.86 μg/m3
Carbon Monoxide: 187.25 μg/m3
Nitrogen Dioxide: 6.81 μg/m3
Sulphur Dioxide: 1.54 μg/m3
Ozone: 53.24 μg/m3

Astronomical

Sunrise: 7:20 AM
Sun Transit: 11:57 AM
Sunset: 4:35 PM
Daylight: 9 hrs 15 mins
Moonrise: 11:58 AM
Moon Transit: 4:31 PM
Moonset: 9:13 PM
Moon Phase: Waxing Crescent
Moon Illumination: 25.0%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
4:01 PM - 6:31 PM

Minor Periods

8:43 PM - 10:13 PM
11:28 AM - 12:58 AM

Action Rating: 2 out of 5

Wednesday, November 26, 2025

Weather Forecast

Conditions: Heavy rain
Average Temperature: 44.5°F
Average Humidity: 88%
Chance of Rain: 89%
Wind: 4.7 mph
UV Index: 0

Air Quality

AQI: 1 - Good
PM2.5: 6.31 μg/m3
PM10: 7.09 μg/m3
Carbon Monoxide: 180.89 μg/m3
Nitrogen Dioxide: 4.19 μg/m3
Sulphur Dioxide: 1.98 μg/m3
Ozone: 69.4 μg/m3

Astronomical

Sunrise: 7:21 AM
Sun Transit: 11:57 AM
Sunset: 4:34 PM
Daylight: 9 hrs 13 mins
Moonrise: 12:24 AM
Moon Transit: 5:18 PM
Moonset: 10:24 PM
Moon Phase: First Quarter
Moon Illumination: 35.3%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
4:48 PM - 7:18 PM

Minor Periods

9:54 PM - 11:24 PM
11:54 AM - 1:24 PM

Action Rating: 3 out of 5

Thursday, November 27, 2025

Weather Forecast

Conditions: Moderate rain
Average Temperature: 43.5°F
Average Humidity: 88%
Chance of Rain: 63%
Wind: 13.2 mph
UV Index: 0.1

Air Quality

AQI: 1 - Good
PM2.5: 5.4 μg/m3
PM10: 6.07 μg/m3
Carbon Monoxide: 172.08 μg/m3
Nitrogen Dioxide: 3.28 μg/m3
Sulphur Dioxide: 1.68 μg/m3
Ozone: 78.15 μg/m3

Astronomical

Sunrise: 7:22 AM
Sun Transit: 11:58 AM
Sunset: 4:34 PM
Daylight: 9 hrs 12 mins
Moonrise: 12:45 AM
Moon Transit: 6:04 PM
Moonset: 11:35 PM
Moon Phase: First Quarter
Moon Illumination: 46.5%

Best Times for Fishing or Hunting

Major Periods

12:43 AM - 3:13 AM
5:34 PM - 8:04 PM

Minor Periods

12:00 AM - 12:00 AM
12:15 AM - 1:45 PM

Action Rating: 2 out of 5

The times presented here are based upon the solunar theory, which is the idea that the movements of fish and other animals are affected by the location of the sun and moon. The major periods are believed to be the times of the greatest animal activity and occur when the moon is directly overhead or underfoot (lunar transits). The minor periods also see increased activity and occur when the moon is rising or setting. The strongest activity occurs during full or new moons, and the weakest during quarter or three quarter moons. This is indicated by the Action Rating.

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