Water Temperature of the Middle Santiam River in Foster, OR

Current Water Temperature

57.6°F

Measurement Time: Thursday, October 30, 2025, 12:20 PM PDT

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

46.9°F
Cloudy
Conditions: Cloudy
Humidity: 90%
Feels Like: 46.5°F
Wind: E 2.7 mph
Wind Gusts: 5.6 mph
Pressure: 30.09 in
Precipitation: 0 in
Cloud Cover: 0%
Visibility: 9 mi
UV Index: 0

Five Day Weather Forecast

Cloudy
Thu
H: 58°F
L: 41°F
Overcast
Fri
H: 63°F
L: 44°F
Patchy rain nearby
Sat
H: 63°F
L: 39°F
Moderate rain
Sun
H: 56°F
L: 34°F
Sunny
Mon
H: 62°F
L: 30°F

Air Quality

PM2.5: 8.25 μg/m3
PM10: 8.65 μg/m3
Carbon Monoxide: 166.85 μg/m3
Nitrogen Dioxide: 8.65 μg/m3
Sulphur Dioxide: 1.05 μg/m3
Ozone: 37 μg/m3

Astronomical

Sunrise: 7:45 AM
Sun Transit: 12:53 AM
Sunset: 6:02 PM
Daylight: 10 hrs 16 mins
Moonrise: 3:21 PM
Moon Transit: 8:24 PM
Moonset: 12:26 AM
Moon Phase: First Quarter
Moon Illumination: 63.7%

Best Times for Fishing or Hunting

Major Periods

3:01 AM - 5:31 AM
7:54 PM - 10:24 PM

Minor Periods

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

Action Rating: 2 out of 5

Thursday, October 30, 2025

Weather Forecast

Conditions: Cloudy
Average Temperature: 49.6°F
Average Humidity: 72%
Chance of Rain: 0%
Wind: 5.8 mph
UV Index: 0.3

Air Quality

AQI: 1 - Good
PM2.5: 2.97 μg/m3
PM10: 3.45 μg/m3
Carbon Monoxide: 143.65 μg/m3
Nitrogen Dioxide: 4.7 μg/m3
Sulphur Dioxide: 1.31 μg/m3
Ozone: 63.16 μg/m3

Astronomical

Sunrise: 7:45 AM
Sun Transit: 12:53 AM
Sunset: 6:02 PM
Daylight: 10 hrs 16 mins
Moonrise: 3:21 PM
Moon Transit: 8:24 PM
Moonset: 12:26 AM
Moon Phase: First Quarter
Moon Illumination: 63.7%

Best Times for Fishing or Hunting

Major Periods

3:01 AM - 5:31 AM
7:54 PM - 10:24 PM

Minor Periods

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

Action Rating: 2 out of 5

Friday, October 31, 2025

Weather Forecast

Conditions: Overcast
Average Temperature: 54.4°F
Average Humidity: 62%
Chance of Rain: 0%
Wind: 4.7 mph
UV Index: 0.4

Air Quality

AQI: 1 - Good
PM2.5: 6.43 μg/m3
PM10: 6.99 μg/m3
Carbon Monoxide: 167.33 μg/m3
Nitrogen Dioxide: 6.29 μg/m3
Sulphur Dioxide: 1.14 μg/m3
Ozone: 51.36 μg/m3

Astronomical

Sunrise: 7:47 AM
Sun Transit: 12:53 AM
Sunset: 6:00 PM
Daylight: 10 hrs 13 mins
Moonrise: 3:42 PM
Moon Transit: 9:11 PM
Moonset: 1:38 AM
Moon Phase: First Quarter
Moon Illumination: 74.1%

Best Times for Fishing or Hunting

Major Periods

3:49 AM - 6:19 AM
8:41 PM - 11:11 PM

Minor Periods

3:12 PM - 4:42 PM
1:08 AM - 2:38 AM

Action Rating: 2 out of 5

Saturday, November 1, 2025

Weather Forecast

Conditions: Patchy rain nearby
Average Temperature: 48.9°F
Average Humidity: 72%
Chance of Rain: 87%
Wind: 5.1 mph
UV Index: 0

Air Quality

AQI: 1 - Good
PM2.5: 4.45 μg/m3
PM10: 5.3 μg/m3
Carbon Monoxide: 144.41 μg/m3
Nitrogen Dioxide: 3.28 μg/m3
Sulphur Dioxide: 1.15 μg/m3
Ozone: 65.8 μg/m3

Astronomical

Sunrise: 7:48 AM
Sun Transit: 12:53 AM
Sunset: 5:59 PM
Daylight: 10 hrs 11 mins
Moonrise: 4:03 PM
Moon Transit: 9:58 PM
Moonset: 2:53 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 83.4%

Best Times for Fishing or Hunting

Major Periods

4:36 AM - 7:06 AM
9:28 PM - 11:58 PM

Minor Periods

3:33 PM - 5:03 PM
2:23 AM - 3:53 AM

Action Rating: 2 out of 5

Sunday, November 2, 2025

Weather Forecast

Conditions: Moderate rain
Average Temperature: 44.3°F
Average Humidity: 94%
Chance of Rain: 89%
Wind: 4.3 mph
UV Index: 0

Air Quality

AQI: 1 - Good
PM2.5: 2.11 μg/m3
PM10: 2.34 μg/m3
Carbon Monoxide: 126.62 μg/m3
Nitrogen Dioxide: 3.04 μg/m3
Sulphur Dioxide: 1.06 μg/m3
Ozone: 56.15 μg/m3

Astronomical

Sunrise: 7:49 AM
Sun Transit: 12:53 AM
Sunset: 5:57 PM
Daylight: 10 hrs 8 mins
Moonrise: 4:23 PM
Moon Transit: 9:31 AM
Moonset: 4:09 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 90.9%

Best Times for Fishing or Hunting

Major Periods

5:23 AM - 7:53 AM
9:01 AM - 11:31 AM

Minor Periods

3:53 PM - 5:23 PM
3:39 AM - 5:09 AM

Action Rating: 3 out of 5

Monday, November 3, 2025

Weather Forecast

Conditions: Sunny
Average Temperature: 42.5°F
Average Humidity: 69%
Chance of Rain: 0%
Wind: 4.7 mph
UV Index: 3

Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 7:51 AM
Sun Transit: 12:53 AM
Sunset: 5:56 PM
Daylight: 10 hrs 5 mins
Moonrise: 4:45 PM
Moon Transit: 11:39 PM
Moonset: 5:28 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 96.3%

Best Times for Fishing or Hunting

Major Periods

6:13 AM - 8:43 AM
12:00 AM - 12:00 AM

Minor Periods

4:15 PM - 5:45 PM
4:58 AM - 6:28 AM

Action Rating: 3 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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