Water Temperature of the South Santiam River in Sweet Home, OR

Current Water Temperature

51.8°F

Measurement Time: Sunday, August 30, 2026, 12:10 AM PDT

Temperature Locations

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Local Points of Interest

Foster Reservoir; Foster Dam; Andrew Wiley Park; Camp Koinonia

South Santiam River

Station Name: SOUTH SANTIAM RIVER NEAR FOSTER, OR
Data Source: Water Data - usgc.gov

Elevation Above Sea Level: 564 feet

Nearest Address:
42853 Green River Dr
Sweet Home, OR 97386
Linn County

GPS Coordinates: 44.4123468, -122.6886956

Nearby Water Temperatures

Middle Santiam River, Foster, OR (7.3 mi)
South Santiam River, Waterloo, OR (8.9 mi)
South Santiam River, Cascadia, OR (9.5 mi)
Quartzville Creek, Cascadia, OR (15.3 mi)
Middle Santiam River, Cascadia, OR (17.2 mi)
McKenzie River, Vida, OR (22.6 mi)
McKenzie River, Walterville, OR (24 mi)
North Fork Quartz Creek, Blue River, OR (24.3 mi)
Blue River Lake, Blue River, OR (24.5 mi)
Blue River, Blue River, OR (24.6 mi)
North Santiam River, Jefferson, OR (24.8 mi)
Blue River, Blue River, OR (24.9 mi)
North Santiam River, Mehama, OR (25.3 mi)
Camp Creek, Springfield, OR (25.5 mi)
Lookout Creek, Blue River, OR (25.5 mi)

Weather for Sweet Home, Oregon

Current Weather

46°F
Patchy Fog
Patchy Fog
100%
E 1 mph
46°F

Weather Forecast

Patchy Fog then Sunny
Today
77°F - Patchy Fog then Sunny
Mostly Clear
Tonight
49°F - Mostly Clear
Sunny
Monday
82°F - Sunny
Mostly Cloudy then Patchy Fog
Monday Night
51°F - Mostly Cloudy then Patchy Fog
Chance Light Rain
Tuesday
72°F - Chance Light Rain
Chance Light Rain
Tuesday Night
51°F - Chance Light Rain
Rain
Wednesday
67°F - Rain
Rain
Wednesday Night
49°F - Rain
Showers And Thunderstorms Likely
Thursday
65°F - Showers And Thunderstorms Likely
Light Rain Likely
Thursday Night
48°F - Light Rain Likely
Chance Light Rain
Friday
69°F - Chance Light Rain
Chance Light Rain
Friday Night
47°F - Chance Light Rain
Chance Light Rain
Saturday
70°F - Chance Light Rain
Slight Chance Light Rain then Partly Cloudy
Saturday Night
48°F - Slight Chance Light Rain then Partly Cloudy

Astronomical

Sunrise: 6:32 AM
Sun Transit: 1:11 PM
Sunset: 7:50 PM
Daylight: 13 hrs 19 mins
Moonrise: 8:45 PM
Moon Transit: 12:00 AM
Moonset: 9:21 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

8:15 PM - 9:45 PM
8:51 AM - 10:21 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: 1:11 PM
Sunset: 7:50 PM
Daylight: 13 hrs 19 mins
Moonrise: 8:45 PM
Moon Transit: 12:00 AM
Moonset: 9:21 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

8:15 PM - 9:45 PM
8:51 AM - 10:21 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: 1:11 PM
Sunset: 7:50 PM
Daylight: 13 hrs 19 mins
Moonrise: 8:45 PM
Moon Transit: 12:00 AM
Moonset: 9:21 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

8:15 PM - 9:45 PM
8:51 AM - 10:21 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: 7:48 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
10:55 AM - 1:25 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: 7:48 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
10:55 AM - 1:25 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: 6:34 AM
Sun Transit: 1:10 PM
Sunset: 7:47 PM
Daylight: 13 hrs 13 mins
Moonrise: 9:33 PM
Moon Transit: 4:20 AM
Moonset: 11:50 AM
Moon Phase: Waning Gibbous
Moon Illumination: 71.2%

Best Times for Fishing or Hunting

Major Periods

3:50 AM - 6:20 AM
11:45 AM - 2:15 PM

Minor Periods

9:03 PM - 10:33 PM
11:20 AM - 12:50 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: 6:34 AM
Sun Transit: 1:10 PM
Sunset: 7:47 PM
Daylight: 13 hrs 13 mins
Moonrise: 9:33 PM
Moon Transit: 4:20 AM
Moonset: 11:50 AM
Moon Phase: Waning Gibbous
Moon Illumination: 71.2%

Best Times for Fishing or Hunting

Major Periods

3:50 AM - 6:20 AM
11:45 AM - 2:15 PM

Minor Periods

9:03 PM - 10:33 PM
11:20 AM - 12:50 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: 1:10 PM
Sunset: 7:45 PM
Daylight: 13 hrs 10 mins
Moonrise: 10:06 PM
Moon Transit: 5:12 AM
Moonset: 1:08 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
12:38 AM - 2:08 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: 6:35 AM
Sun Transit: 1:10 PM
Sunset: 7:45 PM
Daylight: 13 hrs 10 mins
Moonrise: 10:06 PM
Moon Transit: 5:12 AM
Moonset: 1:08 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
12:38 AM - 2:08 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: 6:36 AM
Sun Transit: 1:10 PM
Sunset: 7:43 PM
Daylight: 13 hrs 7 mins
Moonrise: 10:50 PM
Moon Transit: 6:09 AM
Moonset: 2:25 PM
Moon Phase: Last Quarter
Moon Illumination: 49.2%

Best Times for Fishing or Hunting

Major Periods

5:39 AM - 8:09 AM
1:37 PM - 4:07 PM

Minor Periods

10:20 PM - 11:50 PM
1:55 PM - 3:25 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: 6:36 AM
Sun Transit: 1:10 PM
Sunset: 7:43 PM
Daylight: 13 hrs 7 mins
Moonrise: 10:50 PM
Moon Transit: 6:09 AM
Moonset: 2:25 PM
Moon Phase: Last Quarter
Moon Illumination: 49.2%

Best Times for Fishing or Hunting

Major Periods

5:39 AM - 8:09 AM
1:37 PM - 4:07 PM

Minor Periods

10:20 PM - 11:50 PM
1:55 PM - 3:25 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: 6:37 AM
Sun Transit: 1:09 PM
Sunset: 7:41 PM
Daylight: 13 hrs 4 mins
Moonrise: 11:47 PM
Moon Transit: 7:10 AM
Moonset: 3:36 PM
Moon Phase: Last Quarter
Moon Illumination: 38.0%

Best Times for Fishing or Hunting

Major Periods

6:40 AM - 9:10 AM
2:38 PM - 5:08 PM

Minor Periods

12:00 AM - 12:00 AM
3:06 PM - 4:36 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: 6:37 AM
Sun Transit: 1:09 PM
Sunset: 7:41 PM
Daylight: 13 hrs 4 mins
Moonrise: 11:47 PM
Moon Transit: 7:10 AM
Moonset: 3:36 PM
Moon Phase: Last Quarter
Moon Illumination: 38.0%

Best Times for Fishing or Hunting

Major Periods

6:40 AM - 9:10 AM
2:38 PM - 5:08 PM

Minor Periods

12:00 AM - 12:00 AM
3:06 PM - 4:36 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: 6:39 AM
Sun Transit: 1:09 PM
Sunset: 7:39 PM
Daylight: 13 hrs 1 mins
Moonrise: 12:47 AM
Moon Transit: 8:13 AM
Moonset: 4:37 PM
Moon Phase: Last Quarter
Moon Illumination: 27.4%

Best Times for Fishing or Hunting

Major Periods

7:43 AM - 10:13 AM
3:42 PM - 6:12 PM

Minor Periods

4:07 PM - 5:37 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: 6:39 AM
Sun Transit: 1:09 PM
Sunset: 7:39 PM
Daylight: 13 hrs 1 mins
Moonrise: 12:47 AM
Moon Transit: 8:13 AM
Moonset: 4:37 PM
Moon Phase: Last Quarter
Moon Illumination: 27.4%

Best Times for Fishing or Hunting

Major Periods

7:43 AM - 10:13 AM
3:42 PM - 6:12 PM

Minor Periods

4:07 PM - 5:37 PM
12:00 AM - 12:00 AM

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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