Water Temperature of the Middle Santiam River in Foster, OR

Current Water Temperature

47.3°F

Measurement Time: Thursday, August 27, 2026, 7:20 AM 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

72°F
Sunny
Sunny
52%
W 6 mph
53°F

Weather Forecast

Sunny
This Afternoon
74°F - Sunny
Mostly Clear
Tonight
54°F - Mostly Clear
Sunny
Friday
75°F - Sunny
Mostly Cloudy
Friday Night
52°F - Mostly Cloudy
Partly Sunny
Saturday
70°F - Partly Sunny
Mostly Clear
Saturday Night
49°F - Mostly Clear
Sunny
Sunday
73°F - Sunny
Mostly Clear
Sunday Night
52°F - Mostly Clear
Mostly Sunny
Monday
75°F - Mostly Sunny
Partly Cloudy then Slight Chance Light Rain
Monday Night
53°F - Partly Cloudy then Slight Chance Light Rain
Chance Light Rain
Tuesday
71°F - Chance Light Rain
Chance Light Rain
Tuesday Night
52°F - Chance Light Rain
Chance Light Rain
Wednesday
68°F - Chance Light Rain
Chance Light Rain
Wednesday Night
52°F - Chance Light Rain

Astronomical

Sunrise: 6:28 AM
Sun Transit: 1:11 PM
Sunset: 7:55 PM
Daylight: 13 hrs 27 mins
Moonrise: 7:47 PM
Moon Transit: 12:33 AM
Moonset: 5:50 AM
Moon Phase: Full
Moon Illumination: 100.0%

Best Times for Fishing or Hunting

Major Periods

12:03 AM - 2:33 AM
7:57 AM - 10:27 AM

Minor Periods

7:17 PM - 8:47 PM
5:20 AM - 6:50 AM

Action Rating: 4 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: 6:28 AM
Sun Transit: 1:11 PM
Sunset: 7:55 PM
Daylight: 13 hrs 27 mins
Moonrise: 7:47 PM
Moon Transit: 12:33 AM
Moonset: 5:50 AM
Moon Phase: Full
Moon Illumination: 100.0%

Best Times for Fishing or Hunting

Major Periods

12:03 AM - 2:33 AM
7:57 AM - 10:27 AM

Minor Periods

7:17 PM - 8:47 PM
5:20 AM - 6:50 AM

Action Rating: 4 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: 6:28 AM
Sun Transit: 1:11 PM
Sunset: 7:55 PM
Daylight: 13 hrs 27 mins
Moonrise: 7:47 PM
Moon Transit: 12:33 AM
Moonset: 5:50 AM
Moon Phase: Full
Moon Illumination: 100.0%

Best Times for Fishing or Hunting

Major Periods

12:03 AM - 2:33 AM
7:57 AM - 10:27 AM

Minor Periods

7:17 PM - 8:47 PM
5:20 AM - 6:50 AM

Action Rating: 4 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: 6:29 AM
Sun Transit: 1:11 PM
Sunset: 7:53 PM
Daylight: 13 hrs 25 mins
Moonrise: 8:06 PM
Moon Transit: 1:17 AM
Moonset: 7:00 AM
Moon Phase: Full
Moon Illumination: 98.7%

Best Times for Fishing or Hunting

Major Periods

12:47 AM - 3:17 AM
8:41 AM - 11:11 AM

Minor Periods

7:36 PM - 9:06 PM
6:30 AM - 8:00 AM

Action Rating: 5 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: 6:29 AM
Sun Transit: 1:11 PM
Sunset: 7:53 PM
Daylight: 13 hrs 25 mins
Moonrise: 8:06 PM
Moon Transit: 1:17 AM
Moonset: 7:00 AM
Moon Phase: Full
Moon Illumination: 98.7%

Best Times for Fishing or Hunting

Major Periods

12:47 AM - 3:17 AM
8:41 AM - 11:11 AM

Minor Periods

7:36 PM - 9:06 PM
6:30 AM - 8:00 AM

Action Rating: 5 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: 6:30 AM
Sun Transit: 1:11 PM
Sunset: 7:52 PM
Daylight: 13 hrs 22 mins
Moonrise: 8:25 PM
Moon Transit: 9:49 PM
Moonset: 8:09 AM
Moon Phase: Full
Moon Illumination: 95.0%

Best Times for Fishing or Hunting

Major Periods

9:24 AM - 11:54 AM
9:19 PM - 11:49 PM

Minor Periods

7:55 PM - 9:25 PM
7:39 AM - 9:09 AM

Action Rating: 4 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: 6:30 AM
Sun Transit: 1:11 PM
Sunset: 7:52 PM
Daylight: 13 hrs 22 mins
Moonrise: 8:25 PM
Moon Transit: 9:49 PM
Moonset: 8:09 AM
Moon Phase: Full
Moon Illumination: 95.0%

Best Times for Fishing or Hunting

Major Periods

9:24 AM - 11:54 AM
9:19 PM - 11:49 PM

Minor Periods

7:55 PM - 9:25 PM
7:39 AM - 9:09 AM

Action Rating: 4 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: 6:31 AM
Sun Transit: 1:10 PM
Sunset: 7:50 PM
Daylight: 13 hrs 19 mins
Moonrise: 8:44 PM
Moon Transit: 12:00 AM
Moonset: 9:20 AM
Moon Phase: Waning Gibbous
Moon Illumination: 88.9%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
12:00 AM - 12:00 AM

Minor Periods

8:14 PM - 9:44 PM
8:50 AM - 10:20 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: 6:31 AM
Sun Transit: 1:10 PM
Sunset: 7:50 PM
Daylight: 13 hrs 19 mins
Moonrise: 8:44 PM
Moon Transit: 12:00 AM
Moonset: 9:20 AM
Moon Phase: Waning Gibbous
Moon Illumination: 88.9%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
12:00 AM - 12:00 AM

Minor Periods

8:14 PM - 9:44 PM
8:50 AM - 10:20 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: 6:32 AM
Sun Transit: 1:10 PM
Sunset: 7:48 PM
Daylight: 13 hrs 16 mins
Moonrise: 9:06 PM
Moon Transit: 3:31 AM
Moonset: 10:34 AM
Moon Phase: Waning Gibbous
Moon Illumination: 80.9%

Best Times for Fishing or Hunting

Major Periods

3:01 AM - 5:31 AM
10:56 AM - 1:26 PM

Minor Periods

8:36 PM - 10:06 PM
10:04 AM - 11:34 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: 6:32 AM
Sun Transit: 1:10 PM
Sunset: 7:48 PM
Daylight: 13 hrs 16 mins
Moonrise: 9:06 PM
Moon Transit: 3:31 AM
Moonset: 10:34 AM
Moon Phase: Waning Gibbous
Moon Illumination: 80.9%

Best Times for Fishing or Hunting

Major Periods

3:01 AM - 5:31 AM
10:56 AM - 1:26 PM

Minor Periods

8:36 PM - 10:06 PM
10:04 AM - 11:34 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: 6:33 AM
Sun Transit: 1:10 PM
Sunset: 7:46 PM
Daylight: 13 hrs 13 mins
Moonrise: 9:32 PM
Moon Transit: 4:19 AM
Moonset: 11:49 AM
Moon Phase: Waning Gibbous
Moon Illumination: 71.2%

Best Times for Fishing or Hunting

Major Periods

3:49 AM - 6:19 AM
11:45 AM - 2:15 PM

Minor Periods

9:02 PM - 10:32 PM
11:19 AM - 12:49 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: 6:33 AM
Sun Transit: 1:10 PM
Sunset: 7:46 PM
Daylight: 13 hrs 13 mins
Moonrise: 9:32 PM
Moon Transit: 4:19 AM
Moonset: 11:49 AM
Moon Phase: Waning Gibbous
Moon Illumination: 71.2%

Best Times for Fishing or Hunting

Major Periods

3:49 AM - 6:19 AM
11:45 AM - 2:15 PM

Minor Periods

9:02 PM - 10:32 PM
11:19 AM - 12:49 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: 6:35 AM
Sun Transit: 1:09 PM
Sunset: 7:44 PM
Daylight: 13 hrs 10 mins
Moonrise: 10:06 PM
Moon Transit: 5:12 AM
Moonset: 1:07 PM
Moon Phase: Waning Gibbous
Moon Illumination: 60.5%

Best Times for Fishing or Hunting

Major Periods

4:42 AM - 7:12 AM
12:39 AM - 3:09 PM

Minor Periods

9:36 PM - 11:06 PM
12:37 AM - 2:07 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: 6:35 AM
Sun Transit: 1:09 PM
Sunset: 7:44 PM
Daylight: 13 hrs 10 mins
Moonrise: 10:06 PM
Moon Transit: 5:12 AM
Moonset: 1:07 PM
Moon Phase: Waning Gibbous
Moon Illumination: 60.5%

Best Times for Fishing or Hunting

Major Periods

4:42 AM - 7:12 AM
12:39 AM - 3:09 PM

Minor Periods

9:36 PM - 11:06 PM
12:37 AM - 2:07 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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