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

Current Water Temperature

58.5°F

Measurement Time: Monday, October 5, 2026, 10:40 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

78°F
Sunny
Sunny
46%
NNW 6 mph
56°F

Weather Forecast

Sunny
This Afternoon
79°F - Sunny
Mostly Clear then Patchy Fog
Tonight
49°F - Mostly Clear then Patchy Fog
Patchy Fog then Sunny
Tuesday
77°F - Patchy Fog then Sunny
Mostly Clear
Tuesday Night
48°F - Mostly Clear
Sunny
Wednesday
79°F - Sunny
Clear
Wednesday Night
49°F - Clear
Sunny
Thursday
83°F - Sunny
Mostly Clear
Thursday Night
52°F - Mostly Clear
Mostly Sunny
Friday
75°F - Mostly Sunny
Partly Cloudy
Friday Night
46°F - Partly Cloudy
Mostly Sunny
Saturday
65°F - Mostly Sunny
Partly Cloudy
Saturday Night
42°F - Partly Cloudy
Sunny
Sunday
67°F - Sunny
Mostly Clear
Sunday Night
41°F - Mostly Clear

Astronomical

Sunrise: 7:13 AM
Sun Transit: 1:00 PM
Sunset: 6:44 PM
Daylight: 11 hrs 31 mins
Moonrise: 1:21 AM
Moon Transit: 9:04 AM
Moonset: 4:34 PM
Moon Phase: Last Quarter
Moon Illumination: 22.8%

Best Times for Fishing or Hunting

Major Periods

8:34 AM - 11:04 AM
4:30 PM - 7:00 PM

Minor Periods

4:04 PM - 5:34 PM
12:51 AM - 2:21 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: 7:13 AM
Sun Transit: 1:00 PM
Sunset: 6:44 PM
Daylight: 11 hrs 31 mins
Moonrise: 1:21 AM
Moon Transit: 9:04 AM
Moonset: 4:34 PM
Moon Phase: Last Quarter
Moon Illumination: 22.8%

Best Times for Fishing or Hunting

Major Periods

8:34 AM - 11:04 AM
4:30 PM - 7:00 PM

Minor Periods

4:04 PM - 5:34 PM
12:51 AM - 2:21 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: 7:13 AM
Sun Transit: 1:00 PM
Sunset: 6:44 PM
Daylight: 11 hrs 31 mins
Moonrise: 1:21 AM
Moon Transit: 9:04 AM
Moonset: 4:34 PM
Moon Phase: Last Quarter
Moon Illumination: 22.8%

Best Times for Fishing or Hunting

Major Periods

8:34 AM - 11:04 AM
4:30 PM - 7:00 PM

Minor Periods

4:04 PM - 5:34 PM
12:51 AM - 2:21 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: 7:15 AM
Sun Transit: 12:58 AM
Sunset: 6:42 PM
Daylight: 11 hrs 28 mins
Moonrise: 2:39 AM
Moon Transit: 9:56 AM
Moonset: 4:58 PM
Moon Phase: Waning Crescent
Moon Illumination: 14.1%

Best Times for Fishing or Hunting

Major Periods

5:20 PM - 7:50 PM
9:26 AM - 11:56 AM

Minor Periods

4:28 PM - 5:58 PM
2:09 AM - 3:39 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: 7:15 AM
Sun Transit: 12:58 AM
Sunset: 6:42 PM
Daylight: 11 hrs 28 mins
Moonrise: 2:39 AM
Moon Transit: 9:56 AM
Moonset: 4:58 PM
Moon Phase: Waning Crescent
Moon Illumination: 14.1%

Best Times for Fishing or Hunting

Major Periods

5:20 PM - 7:50 PM
9:26 AM - 11:56 AM

Minor Periods

4:28 PM - 5:58 PM
2:09 AM - 3:39 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: 7:16 AM
Sun Transit: 12:58 AM
Sunset: 6:40 PM
Daylight: 11 hrs 25 mins
Moonrise: 3:55 AM
Moon Transit: 10:44 AM
Moonset: 5:19 PM
Moon Phase: Waning Crescent
Moon Illumination: 7.2%

Best Times for Fishing or Hunting

Major Periods

6:07 PM - 8:37 PM
10:14 AM - 12:44 AM

Minor Periods

4:49 PM - 6:19 PM
3:25 AM - 4:55 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: 7:16 AM
Sun Transit: 12:58 AM
Sunset: 6:40 PM
Daylight: 11 hrs 25 mins
Moonrise: 3:55 AM
Moon Transit: 10:44 AM
Moonset: 5:19 PM
Moon Phase: Waning Crescent
Moon Illumination: 7.2%

Best Times for Fishing or Hunting

Major Periods

6:07 PM - 8:37 PM
10:14 AM - 12:44 AM

Minor Periods

4:49 PM - 6:19 PM
3:25 AM - 4:55 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: 7:17 AM
Sun Transit: 12:58 AM
Sunset: 6:39 PM
Daylight: 11 hrs 22 mins
Moonrise: 5:08 AM
Moon Transit: 11:29 AM
Moonset: 5:38 PM
Moon Phase: Waning Crescent
Moon Illumination: 2.5%

Best Times for Fishing or Hunting

Major Periods

6:52 PM - 9:22 PM
10:59 AM - 1:29 PM

Minor Periods

5:08 PM - 6:38 PM
4:38 AM - 6:08 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: 7:17 AM
Sun Transit: 12:58 AM
Sunset: 6:39 PM
Daylight: 11 hrs 22 mins
Moonrise: 5:08 AM
Moon Transit: 11:29 AM
Moonset: 5:38 PM
Moon Phase: Waning Crescent
Moon Illumination: 2.5%

Best Times for Fishing or Hunting

Major Periods

6:52 PM - 9:22 PM
10:59 AM - 1:29 PM

Minor Periods

5:08 PM - 6:38 PM
4:38 AM - 6:08 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: 7:18 AM
Sun Transit: 12:57 AM
Sunset: 6:37 PM
Daylight: 11 hrs 19 mins
Moonrise: 6:20 AM
Moon Transit: 12:14 AM
Moonset: 5:58 PM
Moon Phase: Waning Crescent
Moon Illumination: 0.2%

Best Times for Fishing or Hunting

Major Periods

7:37 PM - 10:07 PM
11:44 AM - 2:14 PM

Minor Periods

5:28 PM - 6:58 PM
5:50 AM - 7:20 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: 7:18 AM
Sun Transit: 12:57 AM
Sunset: 6:37 PM
Daylight: 11 hrs 19 mins
Moonrise: 6:20 AM
Moon Transit: 12:14 AM
Moonset: 5:58 PM
Moon Phase: Waning Crescent
Moon Illumination: 0.2%

Best Times for Fishing or Hunting

Major Periods

7:37 PM - 10:07 PM
11:44 AM - 2:14 PM

Minor Periods

5:28 PM - 6:58 PM
5:50 AM - 7:20 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: 7:20 AM
Sun Transit: 12:57 AM
Sunset: 6:35 PM
Daylight: 11 hrs 16 mins
Moonrise: 7:30 AM
Moon Transit: 1:00 PM
Moonset: 6:18 PM
Moon Phase: New
Moon Illumination: 0.5%

Best Times for Fishing or Hunting

Major Periods

8:22 PM - 10:52 PM
12:30 AM - 3:00 PM

Minor Periods

5:48 PM - 7:18 PM
7:00 AM - 8:30 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: 7:20 AM
Sun Transit: 12:57 AM
Sunset: 6:35 PM
Daylight: 11 hrs 16 mins
Moonrise: 7:30 AM
Moon Transit: 1:00 PM
Moonset: 6:18 PM
Moon Phase: New
Moon Illumination: 0.5%

Best Times for Fishing or Hunting

Major Periods

8:22 PM - 10:52 PM
12:30 AM - 3:00 PM

Minor Periods

5:48 PM - 7:18 PM
7:00 AM - 8:30 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: 7:21 AM
Sun Transit: 12:57 AM
Sunset: 6:33 PM
Daylight: 11 hrs 13 mins
Moonrise: 8:41 AM
Moon Transit: 1:44 PM
Moonset: 6:40 PM
Moon Phase: New
Moon Illumination: 3.3%

Best Times for Fishing or Hunting

Major Periods

9:08 PM - 11:38 PM
1:14 PM - 3:44 PM

Minor Periods

6:10 PM - 7:40 PM
8:11 AM - 9:41 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: 7:21 AM
Sun Transit: 12:57 AM
Sunset: 6:33 PM
Daylight: 11 hrs 13 mins
Moonrise: 8:41 AM
Moon Transit: 1:44 PM
Moonset: 6:40 PM
Moon Phase: New
Moon Illumination: 3.3%

Best Times for Fishing or Hunting

Major Periods

9:08 PM - 11:38 PM
1:14 PM - 3:44 PM

Minor Periods

6:10 PM - 7:40 PM
8:11 AM - 9:41 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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