Water Temperature of the Middle Santiam River in Foster, OR

Current Water Temperature

57.0°F

Measurement Time: Monday, September 14, 2026, 2:45 PM PDT

Temperature Locations

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Local Points of Interest

Green Peter Reservoir; Green Peter Dam; Billings Park

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

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

58°F
Clear
Clear
79%
NE 2 mph
52°F

Weather Forecast

Partly Cloudy
Tonight
51°F - Partly Cloudy
Partly Sunny
Tuesday
66°F - Partly Sunny
Mostly Clear
Tuesday Night
51°F - Mostly Clear
Sunny
Wednesday
76°F - Sunny
Mostly Clear
Wednesday Night
55°F - Mostly Clear
Sunny
Thursday
77°F - Sunny
Mostly Clear
Thursday Night
55°F - Mostly Clear
Sunny
Friday
75°F - Sunny
Mostly Clear
Friday Night
54°F - Mostly Clear
Sunny
Saturday
75°F - Sunny
Mostly Clear
Saturday Night
54°F - Mostly Clear
Sunny
Sunday
75°F - Sunny
Partly Cloudy
Sunday Night
54°F - Partly Cloudy
Mostly Sunny then Slight Chance Light Rain
Monday
69°F - Mostly Sunny then Slight Chance Light Rain

Astronomical

Sunrise: 6:48 AM
Sun Transit: 1:05 PM
Sunset: 7:22 PM
Daylight: 12 hrs 34 mins
Moonrise: 10:58 AM
Moon Transit: 3:52 PM
Moonset: 8:38 PM
Moon Phase: Waxing Crescent
Moon Illumination: 6.7%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
3:22 PM - 5:52 PM

Minor Periods

8:08 PM - 9:38 PM
10:28 AM - 11:58 AM

Action Rating: 2 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


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: 6:48 AM
Sun Transit: 1:05 PM
Sunset: 7:22 PM
Daylight: 12 hrs 34 mins
Moonrise: 10:58 AM
Moon Transit: 3:52 PM
Moonset: 8:38 PM
Moon Phase: Waxing Crescent
Moon Illumination: 6.7%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
3:22 PM - 5:52 PM

Minor Periods

8:08 PM - 9:38 PM
10:28 AM - 11:58 AM

Action Rating: 2 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


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: 6:50 AM
Sun Transit: 1:05 PM
Sunset: 7:20 PM
Daylight: 12 hrs 31 mins
Moonrise: 12:08 AM
Moon Transit: 4:40 PM
Moonset: 9:06 PM
Moon Phase: Waxing Crescent
Moon Illumination: 13.4%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
4:10 PM - 6:40 PM

Minor Periods

8:36 PM - 10:06 PM
11:38 AM - 1:08 PM

Action Rating: 2 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


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: 6:50 AM
Sun Transit: 1:05 PM
Sunset: 7:20 PM
Daylight: 12 hrs 31 mins
Moonrise: 12:08 AM
Moon Transit: 4:40 PM
Moonset: 9:06 PM
Moon Phase: Waxing Crescent
Moon Illumination: 13.4%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
4:10 PM - 6:40 PM

Minor Periods

8:36 PM - 10:06 PM
11:38 AM - 1:08 PM

Action Rating: 2 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


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: 6:51 AM
Sun Transit: 1:04 PM
Sunset: 7:18 PM
Daylight: 12 hrs 28 mins
Moonrise: 1:14 PM
Moon Transit: 5:29 PM
Moonset: 9:40 PM
Moon Phase: Waxing Crescent
Moon Illumination: 22.0%

Best Times for Fishing or Hunting

Major Periods

12:05 AM - 2:35 AM
4:59 PM - 7:29 PM

Minor Periods

9:10 PM - 10:40 PM
12:44 AM - 2:14 PM

Action Rating: 3 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


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: 6:51 AM
Sun Transit: 1:04 PM
Sunset: 7:18 PM
Daylight: 12 hrs 28 mins
Moonrise: 1:14 PM
Moon Transit: 5:29 PM
Moonset: 9:40 PM
Moon Phase: Waxing Crescent
Moon Illumination: 22.0%

Best Times for Fishing or Hunting

Major Periods

12:05 AM - 2:35 AM
4:59 PM - 7:29 PM

Minor Periods

9:10 PM - 10:40 PM
12:44 AM - 2:14 PM

Action Rating: 3 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


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: 6:52 AM
Sun Transit: 1:04 PM
Sunset: 7:16 PM
Daylight: 12 hrs 25 mins
Moonrise: 2:16 PM
Moon Transit: 6:20 PM
Moonset: 10:23 PM
Moon Phase: Waxing Crescent
Moon Illumination: 32.1%

Best Times for Fishing or Hunting

Major Periods

12:55 AM - 3:25 AM
5:50 PM - 8:20 PM

Minor Periods

9:53 PM - 11:23 PM
1:46 PM - 3:16 PM

Action Rating: 2 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


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: 6:52 AM
Sun Transit: 1:04 PM
Sunset: 7:16 PM
Daylight: 12 hrs 25 mins
Moonrise: 2:16 PM
Moon Transit: 6:20 PM
Moonset: 10:23 PM
Moon Phase: Waxing Crescent
Moon Illumination: 32.1%

Best Times for Fishing or Hunting

Major Periods

12:55 AM - 3:25 AM
5:50 PM - 8:20 PM

Minor Periods

9:53 PM - 11:23 PM
1:46 PM - 3:16 PM

Action Rating: 2 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


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: 6:53 AM
Sun Transit: 1:04 PM
Sunset: 7:15 PM
Daylight: 12 hrs 22 mins
Moonrise: 3:11 PM
Moon Transit: 7:12 PM
Moonset: 11:14 PM
Moon Phase: First Quarter
Moon Illumination: 43.0%

Best Times for Fishing or Hunting

Major Periods

1:46 AM - 4:16 AM
6:42 PM - 9:12 PM

Minor Periods

12:00 AM - 12:00 AM
2:41 PM - 4:11 PM

Action Rating: 2 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


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: 6:53 AM
Sun Transit: 1:04 PM
Sunset: 7:15 PM
Daylight: 12 hrs 22 mins
Moonrise: 3:11 PM
Moon Transit: 7:12 PM
Moonset: 11:14 PM
Moon Phase: First Quarter
Moon Illumination: 43.0%

Best Times for Fishing or Hunting

Major Periods

1:46 AM - 4:16 AM
6:42 PM - 9:12 PM

Minor Periods

12:00 AM - 12:00 AM
2:41 PM - 4:11 PM

Action Rating: 2 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


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: 6:54 AM
Sun Transit: 1:03 PM
Sunset: 7:13 PM
Daylight: 12 hrs 19 mins
Moonrise: 3:57 PM
Moon Transit: 8:03 PM
Moonset: 12:14 AM
Moon Phase: First Quarter
Moon Illumination: 54.3%

Best Times for Fishing or Hunting

Major Periods

2:38 AM - 5:08 AM
7:33 PM - 10:03 PM

Minor Periods

3:27 PM - 4:57 PM
12:00 AM - 12:00 AM

Action Rating: 3 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


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: 6:54 AM
Sun Transit: 1:03 PM
Sunset: 7:13 PM
Daylight: 12 hrs 19 mins
Moonrise: 3:57 PM
Moon Transit: 8:03 PM
Moonset: 12:14 AM
Moon Phase: First Quarter
Moon Illumination: 54.3%

Best Times for Fishing or Hunting

Major Periods

2:38 AM - 5:08 AM
7:33 PM - 10:03 PM

Minor Periods

3:27 PM - 4:57 PM
12:00 AM - 12:00 AM

Action Rating: 3 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


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: 6:55 AM
Sun Transit: 1:03 PM
Sunset: 7:11 PM
Daylight: 12 hrs 16 mins
Moonrise: 4:34 PM
Moon Transit: 8:52 PM
Moonset: 12:13 AM
Moon Phase: First Quarter
Moon Illumination: 65.4%

Best Times for Fishing or Hunting

Major Periods

3:28 AM - 5:58 AM
8:22 PM - 10:52 PM

Minor Periods

4:04 PM - 5:34 PM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


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: 6:55 AM
Sun Transit: 1:03 PM
Sunset: 7:11 PM
Daylight: 12 hrs 16 mins
Moonrise: 4:34 PM
Moon Transit: 8:52 PM
Moonset: 12:13 AM
Moon Phase: First Quarter
Moon Illumination: 65.4%

Best Times for Fishing or Hunting

Major Periods

3:28 AM - 5:58 AM
8:22 PM - 10:52 PM

Minor Periods

4:04 PM - 5:34 PM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


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: 6:56 AM
Sun Transit: 1:03 PM
Sunset: 7:09 PM
Daylight: 12 hrs 12 mins
Moonrise: 5:04 PM
Moon Transit: 9:40 PM
Moonset: 1:17 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 75.7%

Best Times for Fishing or Hunting

Major Periods

4:18 AM - 6:48 AM
9:10 PM - 11:40 PM

Minor Periods

4:34 PM - 6:04 PM
12:47 AM - 2:17 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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