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

Current Water Temperature

60.3°F

Measurement Time: Tuesday, September 29, 2026, 1:30 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

48°F
Mostly Sunny
Mostly Sunny
83%
ESE 3 mph
43°F

Weather Forecast

Mostly Sunny
Today
72°F - Mostly Sunny
Mostly Cloudy then Patchy Fog
Tonight
51°F - Mostly Cloudy then Patchy Fog
Patchy Fog then Mostly Sunny
Wednesday
73°F - Patchy Fog then Mostly Sunny
Partly Cloudy
Wednesday Night
49°F - Partly Cloudy
Patchy Fog then Mostly Sunny
Thursday
75°F - Patchy Fog then Mostly Sunny
Partly Cloudy
Thursday Night
51°F - Partly Cloudy
Mostly Sunny
Friday
75°F - Mostly Sunny
Partly Cloudy
Friday Night
51°F - Partly Cloudy
Sunny
Saturday
79°F - Sunny
Partly Cloudy
Saturday Night
53°F - Partly Cloudy
Mostly Sunny
Sunday
81°F - Mostly Sunny
Partly Cloudy
Sunday Night
53°F - Partly Cloudy
Mostly Sunny
Monday
77°F - Mostly Sunny
Partly Cloudy
Monday Night
51°F - Partly Cloudy

Astronomical

Sunrise: 7:06 AM
Sun Transit: 1:00 PM
Sunset: 6:55 PM
Daylight: 11 hrs 49 mins
Moonrise: 8:08 PM
Moon Transit: 3:07 AM
Moonset: 10:55 AM
Moon Phase: Waning Gibbous
Moon Illumination: 85.4%

Best Times for Fishing or Hunting

Major Periods

2:37 AM - 5:07 AM
10:33 AM - 1:03 PM

Minor Periods

7:38 PM - 9:08 PM
10:25 AM - 11:55 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: 6:55 PM
Daylight: 11 hrs 49 mins
Moonrise: 8:08 PM
Moon Transit: 3:07 AM
Moonset: 10:55 AM
Moon Phase: Waning Gibbous
Moon Illumination: 85.4%

Best Times for Fishing or Hunting

Major Periods

2:37 AM - 5:07 AM
10:33 AM - 1:03 PM

Minor Periods

7:38 PM - 9:08 PM
10:25 AM - 11:55 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: 6:55 PM
Daylight: 11 hrs 49 mins
Moonrise: 8:08 PM
Moon Transit: 3:07 AM
Moonset: 10:55 AM
Moon Phase: Waning Gibbous
Moon Illumination: 85.4%

Best Times for Fishing or Hunting

Major Periods

2:37 AM - 5:07 AM
10:33 AM - 1:03 PM

Minor Periods

7:38 PM - 9:08 PM
10:25 AM - 11:55 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: 6:53 PM
Daylight: 11 hrs 46 mins
Moonrise: 8:49 PM
Moon Transit: 4:04 AM
Moonset: 12:14 AM
Moon Phase: Waning Gibbous
Moon Illumination: 76.5%

Best Times for Fishing or Hunting

Major Periods

3:34 AM - 6:04 AM
11:31 AM - 2:01 PM

Minor Periods

8:19 PM - 9:49 PM
11:44 AM - 1:14 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: 7:07 AM
Sun Transit: 1:00 PM
Sunset: 6:53 PM
Daylight: 11 hrs 46 mins
Moonrise: 8:49 PM
Moon Transit: 4:04 AM
Moonset: 12:14 AM
Moon Phase: Waning Gibbous
Moon Illumination: 76.5%

Best Times for Fishing or Hunting

Major Periods

3:34 AM - 6:04 AM
11:31 AM - 2:01 PM

Minor Periods

8:19 PM - 9:49 PM
11:44 AM - 1:14 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: 7:09 AM
Sun Transit: 1:00 PM
Sunset: 6:51 PM
Daylight: 11 hrs 43 mins
Moonrise: 9:42 PM
Moon Transit: 5:04 AM
Moonset: 1:28 PM
Moon Phase: Waning Gibbous
Moon Illumination: 66.3%

Best Times for Fishing or Hunting

Major Periods

4:34 AM - 7:04 AM
12:33 AM - 3:03 PM

Minor Periods

9:12 PM - 10:42 PM
12:58 AM - 2:28 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: 7:09 AM
Sun Transit: 1:00 PM
Sunset: 6:51 PM
Daylight: 11 hrs 43 mins
Moonrise: 9:42 PM
Moon Transit: 5:04 AM
Moonset: 1:28 PM
Moon Phase: Waning Gibbous
Moon Illumination: 66.3%

Best Times for Fishing or Hunting

Major Periods

4:34 AM - 7:04 AM
12:33 AM - 3:03 PM

Minor Periods

9:12 PM - 10:42 PM
12:58 AM - 2:28 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: 7:10 AM
Sun Transit: 1:00 PM
Sunset: 6:49 PM
Daylight: 11 hrs 40 mins
Moonrise: 10:48 PM
Moon Transit: 6:07 AM
Moonset: 2:32 PM
Moon Phase: Last Quarter
Moon Illumination: 55.3%

Best Times for Fishing or Hunting

Major Periods

5:37 AM - 8:07 AM
1:35 PM - 4:05 PM

Minor Periods

10:18 PM - 11:48 PM
2:02 PM - 3:32 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: 7:10 AM
Sun Transit: 1:00 PM
Sunset: 6:49 PM
Daylight: 11 hrs 40 mins
Moonrise: 10:48 PM
Moon Transit: 6:07 AM
Moonset: 2:32 PM
Moon Phase: Last Quarter
Moon Illumination: 55.3%

Best Times for Fishing or Hunting

Major Periods

5:37 AM - 8:07 AM
1:35 PM - 4:05 PM

Minor Periods

10:18 PM - 11:48 PM
2:02 PM - 3:32 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: 7:11 AM
Sun Transit: 1:00 PM
Sunset: 6:48 PM
Daylight: 11 hrs 37 mins
Moonrise: 12:02 PM
Moon Transit: 7:09 AM
Moonset: 3:23 PM
Moon Phase: Last Quarter
Moon Illumination: 43.9%

Best Times for Fishing or Hunting

Major Periods

6:39 AM - 9:09 AM
2:37 PM - 5:07 PM

Minor Periods

12:00 AM - 12:00 AM
2:53 PM - 4:23 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: 7:11 AM
Sun Transit: 1:00 PM
Sunset: 6:48 PM
Daylight: 11 hrs 37 mins
Moonrise: 12:02 PM
Moon Transit: 7:09 AM
Moonset: 3:23 PM
Moon Phase: Last Quarter
Moon Illumination: 43.9%

Best Times for Fishing or Hunting

Major Periods

6:39 AM - 9:09 AM
2:37 PM - 5:07 PM

Minor Periods

12:00 AM - 12:00 AM
2:53 PM - 4:23 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: 7:12 AM
Sun Transit: 1:00 PM
Sunset: 6:46 PM
Daylight: 11 hrs 34 mins
Moonrise: 12:02 AM
Moon Transit: 8:09 AM
Moonset: 4:03 PM
Moon Phase: Last Quarter
Moon Illumination: 32.9%

Best Times for Fishing or Hunting

Major Periods

7:39 AM - 10:09 AM
3:35 PM - 6:05 PM

Minor Periods

3:33 PM - 5:03 PM
12:00 AM - 12:00 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: 7:12 AM
Sun Transit: 1:00 PM
Sunset: 6:46 PM
Daylight: 11 hrs 34 mins
Moonrise: 12:02 AM
Moon Transit: 8:09 AM
Moonset: 4:03 PM
Moon Phase: Last Quarter
Moon Illumination: 32.9%

Best Times for Fishing or Hunting

Major Periods

7:39 AM - 10:09 AM
3:35 PM - 6:05 PM

Minor Periods

3:33 PM - 5:03 PM
12:00 AM - 12:00 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

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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