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

Current Water Temperature

54.9°F

Measurement Time: Wednesday, September 9, 2026, 8:45 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

82°F
Sunny
Sunny
39%
NNW 5 mph
55°F

Weather Forecast

Sunny
This Afternoon
84°F - Sunny
Clear
Tonight
55°F - Clear
Mostly Sunny
Thursday
79°F - Mostly Sunny
Partly Cloudy then Patchy Fog
Thursday Night
49°F - Partly Cloudy then Patchy Fog
Patchy Fog then Mostly Sunny
Friday
69°F - Patchy Fog then Mostly Sunny
Mostly Cloudy then Chance Light Rain
Friday Night
49°F - Mostly Cloudy then Chance Light Rain
Showers And Thunderstorms
Saturday
61°F - Showers And Thunderstorms
Light Rain
Saturday Night
48°F - Light Rain
Slight Chance Light Rain then Partly Sunny
Sunday
65°F - Slight Chance Light Rain then Partly Sunny
Mostly Clear
Sunday Night
46°F - Mostly Clear
Sunny
Monday
71°F - Sunny
Mostly Clear
Monday Night
48°F - Mostly Clear
Mostly Sunny
Tuesday
71°F - Mostly Sunny
Partly Cloudy
Tuesday Night
49°F - Partly Cloudy

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: 6:43 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

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: 6:49 AM
Sun Transit: 1:06 PM
Sunset: 7:23 PM
Daylight: 12 hrs 34 mins
Moonrise: 10:59 AM
Moon Transit: 3:52 PM
Moonset: 8:39 PM
Moon Phase: Waxing Crescent
Moon Illumination: 6.7%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
3:22 PM - 5:52 PM

Minor Periods

8:09 PM - 9:39 PM
10:29 AM - 11:59 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: 6:49 AM
Sun Transit: 1:06 PM
Sunset: 7:23 PM
Daylight: 12 hrs 34 mins
Moonrise: 10:59 AM
Moon Transit: 3:52 PM
Moonset: 8:39 PM
Moon Phase: Waxing Crescent
Moon Illumination: 6.7%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
3:22 PM - 5:52 PM

Minor Periods

8:09 PM - 9:39 PM
10:29 AM - 11:59 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: 6:50 AM
Sun Transit: 1:05 PM
Sunset: 7:21 PM
Daylight: 12 hrs 31 mins
Moonrise: 12:08 AM
Moon Transit: 4:40 PM
Moonset: 9:06 PM
Moon Phase: Waxing Crescent
Moon Illumination: 13.4%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
4:10 PM - 6:40 PM

Minor Periods

8:36 PM - 10:06 PM
11:38 AM - 1:08 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: 6:50 AM
Sun Transit: 1:05 PM
Sunset: 7:21 PM
Daylight: 12 hrs 31 mins
Moonrise: 12:08 AM
Moon Transit: 4:40 PM
Moonset: 9:06 PM
Moon Phase: Waxing Crescent
Moon Illumination: 13.4%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
4:10 PM - 6:40 PM

Minor Periods

8:36 PM - 10:06 PM
11:38 AM - 1:08 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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