Water Temperature of the Middle Santiam River in Foster, OR

Current Water Temperature

56.1°F

Measurement Time: Wednesday, September 23, 2026, 6:50 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

55°F
Partly Cloudy
Partly Cloudy
78%
ENE 5 mph
48°F

Weather Forecast

Partly Cloudy
Overnight
51°F - Partly Cloudy
Mostly Cloudy
Thursday
75°F - Mostly Cloudy
Rain
Thursday Night
52°F - Rain
Showers And Thunderstorms
Friday
55°F - Showers And Thunderstorms
Chance Light Rain then Mostly Cloudy
Friday Night
45°F - Chance Light Rain then Mostly Cloudy
Mostly Sunny
Saturday
64°F - Mostly Sunny
Mostly Cloudy
Saturday Night
46°F - Mostly Cloudy
Mostly Sunny
Sunday
63°F - Mostly Sunny
Partly Cloudy
Sunday Night
46°F - Partly Cloudy
Mostly Sunny
Monday
64°F - Mostly Sunny
Partly Cloudy
Monday Night
48°F - Partly Cloudy
Slight Chance Light Rain
Tuesday
67°F - Slight Chance Light Rain
Partly Cloudy
Tuesday Night
50°F - Partly Cloudy
Mostly Sunny
Wednesday
68°F - Mostly Sunny

Astronomical

Sunrise: 7:00 AM
Sun Transit: 1:02 PM
Sunset: 7:03 PM
Daylight: 12 hrs 3 mins
Moonrise: 6:11 PM
Moon Transit: 11:55 PM
Moonset: 4:43 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 97.0%

Best Times for Fishing or Hunting

Major Periods

6:35 AM - 9:05 AM
12:00 AM - 12:00 AM

Minor Periods

5:41 PM - 7:11 PM
4:13 AM - 5:43 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: 7:00 AM
Sun Transit: 1:02 PM
Sunset: 7:03 PM
Daylight: 12 hrs 3 mins
Moonrise: 6:11 PM
Moon Transit: 11:55 PM
Moonset: 4:43 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 97.0%

Best Times for Fishing or Hunting

Major Periods

6:35 AM - 9:05 AM
12:00 AM - 12:00 AM

Minor Periods

5:41 PM - 7:11 PM
4:13 AM - 5:43 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: 7:00 AM
Sun Transit: 1:02 PM
Sunset: 7:03 PM
Daylight: 12 hrs 3 mins
Moonrise: 6:11 PM
Moon Transit: 11:55 PM
Moonset: 4:43 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 97.0%

Best Times for Fishing or Hunting

Major Periods

6:35 AM - 9:05 AM
12:00 AM - 12:00 AM

Minor Periods

5:41 PM - 7:11 PM
4:13 AM - 5:43 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: 7:00 AM
Sun Transit: 1:02 PM
Sunset: 7:03 PM
Daylight: 12 hrs 3 mins
Moonrise: 6:11 PM
Moon Transit: 11:55 PM
Moonset: 4:43 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 97.0%

Best Times for Fishing or Hunting

Major Periods

6:35 AM - 9:05 AM
12:00 AM - 12:00 AM

Minor Periods

5:41 PM - 7:11 PM
4:13 AM - 5:43 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: 7:01 AM
Sun Transit: 1:01 PM
Sunset: 7:02 PM
Daylight: 12 hrs 1 mins
Moonrise: 6:29 PM
Moon Transit: 12:00 AM
Moonset: 5:53 AM
Moon Phase: Full
Moon Illumination: 99.6%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
7:19 AM - 9:49 AM

Minor Periods

5:59 PM - 7:29 PM
5:23 AM - 6:53 AM

Action Rating: 6 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: 7:01 AM
Sun Transit: 1:01 PM
Sunset: 7:02 PM
Daylight: 12 hrs 1 mins
Moonrise: 6:29 PM
Moon Transit: 12:00 AM
Moonset: 5:53 AM
Moon Phase: Full
Moon Illumination: 99.6%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
7:19 AM - 9:49 AM

Minor Periods

5:59 PM - 7:29 PM
5:23 AM - 6:53 AM

Action Rating: 6 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: 7:02 AM
Sun Transit: 1:01 PM
Sunset: 7:00 PM
Daylight: 11 hrs 58 mins
Moonrise: 6:49 PM
Moon Transit: 5:33 AM
Moonset: 7:04 AM
Moon Phase: Full
Moon Illumination: 99.7%

Best Times for Fishing or Hunting

Major Periods

5:03 AM - 7:33 AM
5:03 AM - 7:33 AM

Minor Periods

6:19 PM - 7:49 PM
6:34 AM - 8:04 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: 7:02 AM
Sun Transit: 1:01 PM
Sunset: 7:00 PM
Daylight: 11 hrs 58 mins
Moonrise: 6:49 PM
Moon Transit: 5:33 AM
Moonset: 7:04 AM
Moon Phase: Full
Moon Illumination: 99.7%

Best Times for Fishing or Hunting

Major Periods

5:03 AM - 7:33 AM
5:03 AM - 7:33 AM

Minor Periods

6:19 PM - 7:49 PM
6:34 AM - 8:04 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: 7:03 AM
Sun Transit: 1:01 PM
Sunset: 6:58 PM
Daylight: 11 hrs 55 mins
Moonrise: 7:10 PM
Moon Transit: 1:25 AM
Moonset: 8:18 AM
Moon Phase: Full
Moon Illumination: 97.3%

Best Times for Fishing or Hunting

Major Periods

12:55 AM - 3:25 AM
8:50 AM - 11:20 AM

Minor Periods

6:40 PM - 8:10 PM
7:48 AM - 9:18 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: 7:03 AM
Sun Transit: 1:01 PM
Sunset: 6:58 PM
Daylight: 11 hrs 55 mins
Moonrise: 7:10 PM
Moon Transit: 1:25 AM
Moonset: 8:18 AM
Moon Phase: Full
Moon Illumination: 97.3%

Best Times for Fishing or Hunting

Major Periods

12:55 AM - 3:25 AM
8:50 AM - 11:20 AM

Minor Periods

6:40 PM - 8:10 PM
7:48 AM - 9:18 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: 7:05 AM
Sun Transit: 1:00 PM
Sunset: 6:56 PM
Daylight: 11 hrs 52 mins
Moonrise: 7:35 PM
Moon Transit: 2:14 AM
Moonset: 9:35 AM
Moon Phase: Full
Moon Illumination: 92.4%

Best Times for Fishing or Hunting

Major Periods

1:44 AM - 4:14 AM
9:40 AM - 12:10 AM

Minor Periods

7:05 PM - 8:35 PM
9:05 AM - 10:35 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: 7:05 AM
Sun Transit: 1:00 PM
Sunset: 6:56 PM
Daylight: 11 hrs 52 mins
Moonrise: 7:35 PM
Moon Transit: 2:14 AM
Moonset: 9:35 AM
Moon Phase: Full
Moon Illumination: 92.4%

Best Times for Fishing or Hunting

Major Periods

1:44 AM - 4:14 AM
9:40 AM - 12:10 AM

Minor Periods

7:05 PM - 8:35 PM
9:05 AM - 10:35 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: 7:06 AM
Sun Transit: 1:00 PM
Sunset: 6:54 PM
Daylight: 11 hrs 49 mins
Moonrise: 8:07 PM
Moon Transit: 3:06 AM
Moonset: 10:54 AM
Moon Phase: Waning Gibbous
Moon Illumination: 85.4%

Best Times for Fishing or Hunting

Major Periods

2:36 AM - 5:06 AM
10:34 AM - 1:04 PM

Minor Periods

7:37 PM - 9:07 PM
10:24 AM - 11:54 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: 7:06 AM
Sun Transit: 1:00 PM
Sunset: 6:54 PM
Daylight: 11 hrs 49 mins
Moonrise: 8:07 PM
Moon Transit: 3:06 AM
Moonset: 10:54 AM
Moon Phase: Waning Gibbous
Moon Illumination: 85.4%

Best Times for Fishing or Hunting

Major Periods

2:36 AM - 5:06 AM
10:34 AM - 1:04 PM

Minor Periods

7:37 PM - 9:07 PM
10:24 AM - 11:54 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: 7:07 AM
Sun Transit: 1:00 PM
Sunset: 6:52 PM
Daylight: 11 hrs 46 mins
Moonrise: 8:48 PM
Moon Transit: 4:03 AM
Moonset: 12:13 AM
Moon Phase: Waning Gibbous
Moon Illumination: 76.5%

Best Times for Fishing or Hunting

Major Periods

3:33 AM - 6:03 AM
11:32 AM - 2:02 PM

Minor Periods

8:18 PM - 9:48 PM
11:43 AM - 1:13 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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