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

Current Water Temperature

53.4°F

Measurement Time: Monday, September 7, 2026, 6:10 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

68°F
Sunny
Sunny
67%
NNW 5 mph
57°F

Weather Forecast

Sunny
Labor Day
72°F - Sunny
Clear then Patchy Fog
Tonight
48°F - Clear then Patchy Fog
Patchy Fog then Sunny
Tuesday
78°F - Patchy Fog then Sunny
Mostly Clear
Tuesday Night
52°F - Mostly Clear
Sunny
Wednesday
83°F - Sunny
Mostly Clear
Wednesday Night
55°F - Mostly Clear
Sunny
Thursday
78°F - Sunny
Partly Cloudy
Thursday Night
50°F - Partly Cloudy
Mostly Sunny
Friday
69°F - Mostly Sunny
Partly Cloudy then Chance Light Rain
Friday Night
48°F - Partly Cloudy then Chance Light Rain
Chance Light Rain
Saturday
67°F - Chance Light Rain
Slight Chance Light Rain then Partly Cloudy
Saturday Night
48°F - Slight Chance Light Rain then Partly Cloudy
Sunny
Sunday
71°F - Sunny
Mostly Clear
Sunday Night
48°F - Mostly Clear

Astronomical

Sunrise: 6:41 AM
Sun Transit: 1:08 PM
Sunset: 7:36 PM
Daylight: 12 hrs 55 mins
Moonrise: 2:14 AM
Moon Transit: 10:15 AM
Moonset: 6:02 PM
Moon Phase: Waning Crescent
Moon Illumination: 10.1%

Best Times for Fishing or Hunting

Major Periods

5:42 PM - 8:12 PM
9:45 AM - 12:15 AM

Minor Periods

5:32 PM - 7:02 PM
1:44 AM - 3:14 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: 6:41 AM
Sun Transit: 1:08 PM
Sunset: 7:36 PM
Daylight: 12 hrs 55 mins
Moonrise: 2:14 AM
Moon Transit: 10:15 AM
Moonset: 6:02 PM
Moon Phase: Waning Crescent
Moon Illumination: 10.1%

Best Times for Fishing or Hunting

Major Periods

5:42 PM - 8:12 PM
9:45 AM - 12:15 AM

Minor Periods

5:32 PM - 7:02 PM
1:44 AM - 3:14 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: 6:41 AM
Sun Transit: 1:08 PM
Sunset: 7:36 PM
Daylight: 12 hrs 55 mins
Moonrise: 2:14 AM
Moon Transit: 10:15 AM
Moonset: 6:02 PM
Moon Phase: Waning Crescent
Moon Illumination: 10.1%

Best Times for Fishing or Hunting

Major Periods

5:42 PM - 8:12 PM
9:45 AM - 12:15 AM

Minor Periods

5:32 PM - 7:02 PM
1:44 AM - 3:14 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: 6:42 AM
Sun Transit: 1:08 PM
Sunset: 7:34 PM
Daylight: 12 hrs 52 mins
Moonrise: 3:35 AM
Moon Transit: 11:11 AM
Moonset: 6:31 PM
Moon Phase: Waning Crescent
Moon Illumination: 4.4%

Best Times for Fishing or Hunting

Major Periods

6:36 PM - 9:06 PM
10:41 AM - 1:11 PM

Minor Periods

6:01 PM - 7:31 PM
3:05 AM - 4:35 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: 6:42 AM
Sun Transit: 1:08 PM
Sunset: 7:34 PM
Daylight: 12 hrs 52 mins
Moonrise: 3:35 AM
Moon Transit: 11:11 AM
Moonset: 6:31 PM
Moon Phase: Waning Crescent
Moon Illumination: 4.4%

Best Times for Fishing or Hunting

Major Periods

6:36 PM - 9:06 PM
10:41 AM - 1:11 PM

Minor Periods

6:01 PM - 7:31 PM
3:05 AM - 4:35 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: 6:43 AM
Sun Transit: 1:07 PM
Sunset: 7:32 PM
Daylight: 12 hrs 49 mins
Moonrise: 4:55 AM
Moon Transit: 12:02 AM
Moonset: 6:55 PM
Moon Phase: Waning Crescent
Moon Illumination: 0.9%

Best Times for Fishing or Hunting

Major Periods

7:26 PM - 9:56 PM
11:32 AM - 2:02 PM

Minor Periods

6:25 PM - 7:55 PM
4:25 AM - 5:55 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: 6:43 AM
Sun Transit: 1:07 PM
Sunset: 7:32 PM
Daylight: 12 hrs 49 mins
Moonrise: 4:55 AM
Moon Transit: 12:02 AM
Moonset: 6:55 PM
Moon Phase: Waning Crescent
Moon Illumination: 0.9%

Best Times for Fishing or Hunting

Major Periods

7:26 PM - 9:56 PM
11:32 AM - 2:02 PM

Minor Periods

6:25 PM - 7:55 PM
4:25 AM - 5:55 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: 6:44 AM
Sun Transit: 1:07 PM
Sunset: 7:30 PM
Daylight: 12 hrs 46 mins
Moonrise: 6:12 AM
Moon Transit: 12:50 AM
Moonset: 7:15 PM
Moon Phase: New
Moon Illumination: 0.0%

Best Times for Fishing or Hunting

Major Periods

8:13 PM - 10:43 PM
12:20 AM - 2:50 PM

Minor Periods

6:45 PM - 8:15 PM
5:42 AM - 7:12 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: 6:44 AM
Sun Transit: 1:07 PM
Sunset: 7:30 PM
Daylight: 12 hrs 46 mins
Moonrise: 6:12 AM
Moon Transit: 12:50 AM
Moonset: 7:15 PM
Moon Phase: New
Moon Illumination: 0.0%

Best Times for Fishing or Hunting

Major Periods

8:13 PM - 10:43 PM
12:20 AM - 2:50 PM

Minor Periods

6:45 PM - 8:15 PM
5:42 AM - 7:12 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: 6:46 AM
Sun Transit: 1:07 PM
Sunset: 7:28 PM
Daylight: 12 hrs 43 mins
Moonrise: 7:25 AM
Moon Transit: 1:36 PM
Moonset: 7:34 PM
Moon Phase: New
Moon Illumination: 1.7%

Best Times for Fishing or Hunting

Major Periods

8:59 PM - 11:29 PM
1:06 PM - 3:36 PM

Minor Periods

7:04 PM - 8:34 PM
6:55 AM - 8:25 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: 6:46 AM
Sun Transit: 1:07 PM
Sunset: 7:28 PM
Daylight: 12 hrs 43 mins
Moonrise: 7:25 AM
Moon Transit: 1:36 PM
Moonset: 7:34 PM
Moon Phase: New
Moon Illumination: 1.7%

Best Times for Fishing or Hunting

Major Periods

8:59 PM - 11:29 PM
1:06 PM - 3:36 PM

Minor Periods

7:04 PM - 8:34 PM
6:55 AM - 8:25 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: 6:47 AM
Sun Transit: 1:06 PM
Sunset: 7:26 PM
Daylight: 12 hrs 40 mins
Moonrise: 8:38 AM
Moon Transit: 2:21 PM
Moonset: 7:54 PM
Moon Phase: New
Moon Illumination: 0.1%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
1:51 PM - 4:21 PM

Minor Periods

7:24 PM - 8:54 PM
8:08 AM - 9:38 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: 6:47 AM
Sun Transit: 1:06 PM
Sunset: 7:26 PM
Daylight: 12 hrs 40 mins
Moonrise: 8:38 AM
Moon Transit: 2:21 PM
Moonset: 7:54 PM
Moon Phase: New
Moon Illumination: 0.1%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
1:51 PM - 4:21 PM

Minor Periods

7:24 PM - 8:54 PM
8:08 AM - 9:38 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: 6:48 AM
Sun Transit: 1:06 PM
Sunset: 7:24 PM
Daylight: 12 hrs 37 mins
Moonrise: 9:49 AM
Moon Transit: 3:06 PM
Moonset: 8:15 PM
Moon Phase: New
Moon Illumination: 2.2%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
2:36 PM - 5:06 PM

Minor Periods

7:45 PM - 9:15 PM
9:19 AM - 10:49 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: 6:48 AM
Sun Transit: 1:06 PM
Sunset: 7:24 PM
Daylight: 12 hrs 37 mins
Moonrise: 9:49 AM
Moon Transit: 3:06 PM
Moonset: 8:15 PM
Moon Phase: New
Moon Illumination: 2.2%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
2:36 PM - 5:06 PM

Minor Periods

7:45 PM - 9:15 PM
9:19 AM - 10:49 AM

Action Rating: 4 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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