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

Current Water Temperature

46.4°F

Measurement Time: Sunday, March 15, 2026, 10:50 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
Overcast
Overcast
48.3°F
57.2°F
68%
E 2.2 mph
3.4 mph
58.3°F
48.6°F
0 in
100%
9 mi
1027 mbar
0.2

Five Day Weather Forecast

Sunny
Sun
H: 59°F
L: 37°F
Sunny
Mon
H: 73°F
L: 47°F
Cloudy
Tue
H: 69°F
L: 58°F
Overcast
Wed
H: 68°F
L: 49°F
Partly Cloudy
Thu
H: 70°F
L: 48°F

Air Quality

AQI: 1 - Good
PM2.5: 14.45 μg/m3
PM10: 16.65 μg/m3
Carbon Monoxide: 202.85 μg/m3
Nitrogen Dioxide: 15.25 μg/m3
Sulphur Dioxide: 1.65 μg/m3
Ozone: 20 μg/m3

Astronomical

Sunrise: 7:22 AM
Sun Transit: 12:00 AM
Sunset: 7:17 PM
Daylight: 11 hrs 54 mins
Moonrise: 6:00 AM
Moon Transit: 10:45 AM
Moonset: 3:41 PM
Moon Phase: Waning Crescent
Moon Illumination: 3.6%

Best Times for Fishing or Hunting

Major Periods

6:09 PM - 8:39 PM
10:15 AM - 12:45 AM

Minor Periods

3:11 PM - 4:41 PM
5:30 AM - 7:00 AM

Action Rating: 3 out of 5

Sunday, March 15, 2026

Weather Forecast

Sunny
58.8°F
37°F
46.7°F
62%
0 in
0%
0%
4 mph
0.4


Air Quality

AQI: 1 - Good
PM2.5: 4.92 μg/m3
PM10: 6.48 μg/m3
Carbon Monoxide: 194.09 μg/m3
Nitrogen Dioxide: 7.57 μg/m3
Sulphur Dioxide: 1.67 μg/m3
Ozone: 54.28 μg/m3

Astronomical

Sunrise: 7:22 AM
Sun Transit: 12:00 AM
Sunset: 7:17 PM
Daylight: 11 hrs 54 mins
Moonrise: 6:00 AM
Moon Transit: 10:45 AM
Moonset: 3:41 PM
Moon Phase: Waning Crescent
Moon Illumination: 3.6%

Best Times for Fishing or Hunting

Major Periods

6:09 PM - 8:39 PM
10:15 AM - 12:45 AM

Minor Periods

3:11 PM - 4:41 PM
5:30 AM - 7:00 AM

Action Rating: 3 out of 5

Monday, March 16, 2026

Weather Forecast

Sunny
73.2°F
46.8°F
59.4°F
56%
0 in
0%
0%
5.4 mph
0.9


Air Quality

AQI: 1 - Good
PM2.5: 9.79 μg/m3
PM10: 11.77 μg/m3
Carbon Monoxide: 196.73 μg/m3
Nitrogen Dioxide: 9.33 μg/m3
Sulphur Dioxide: 1.69 μg/m3
Ozone: 43.88 μg/m3

Astronomical

Sunrise: 7:21 AM
Sun Transit: 12:00 AM
Sunset: 7:18 PM
Daylight: 11 hrs 58 mins
Moonrise: 6:23 AM
Moon Transit: 11:33 AM
Moonset: 4:54 PM
Moon Phase: Waning Crescent
Moon Illumination: 0.6%

Best Times for Fishing or Hunting

Major Periods

6:56 PM - 9:26 PM
11:03 AM - 1:33 PM

Minor Periods

4:24 PM - 5:54 PM
5:53 AM - 7:23 AM

Action Rating: 4 out of 5

Tuesday, March 17, 2026

Weather Forecast

Cloudy
69.4°F
57.7°F
62.2°F
51%
0 in
0%
0%
5.8 mph
0


Air Quality

AQI: 1 - Good
PM2.5: 6.92 μg/m3
PM10: 7.8 μg/m3
Carbon Monoxide: 191.77 μg/m3
Nitrogen Dioxide: 8.51 μg/m3
Sulphur Dioxide: 1.55 μg/m3
Ozone: 58.4 μg/m3

Astronomical

Sunrise: 7:19 AM
Sun Transit: 12:00 AM
Sunset: 7:19 PM
Daylight: 12 hrs 1 mins
Moonrise: 6:44 AM
Moon Transit: 12:19 AM
Moonset: 6:07 PM
Moon Phase: New
Moon Illumination: 0.1%

Best Times for Fishing or Hunting

Major Periods

7:42 PM - 10:12 PM
11:49 AM - 2:19 PM

Minor Periods

5:37 PM - 7:07 PM
6:14 AM - 7:44 AM

Action Rating: 6 out of 5

Wednesday, March 18, 2026

Weather Forecast

Overcast
67.6°F
49.4°F
59.5°F
49%
0 in
0%
0%
6.3 mph
4


Air Quality

AQI: 1 - Good
PM2.5: 6.69 μg/m3
PM10: 7.89 μg/m3
Carbon Monoxide: 180.95 μg/m3
Nitrogen Dioxide: 9.45 μg/m3
Sulphur Dioxide: 1.44 μg/m3
Ozone: 49.24 μg/m3

Astronomical

Sunrise: 7:17 AM
Sun Transit: 12:00 AM
Sunset: 7:21 PM
Daylight: 12 hrs 4 mins
Moonrise: 7:04 AM
Moon Transit: 10:31 PM
Moonset: 7:22 PM
Moon Phase: New
Moon Illumination: 2.2%

Best Times for Fishing or Hunting

Major Periods

8:30 PM - 11:00 PM
12:00 AM - 12:00 AM

Minor Periods

6:52 PM - 8:22 PM
6:34 AM - 8:04 AM

Action Rating: 4 out of 5

Thursday, March 19, 2026

Weather Forecast

Partly Cloudy
70°F
47.6°F
56.8°F
66%
0 in
0%
0%
7.2 mph
4


Air Quality

AQI: 1 - Good
PM2.5: 8 μg/m3
PM10: 9.54 μg/m3
Carbon Monoxide: 229.27 μg/m3
Nitrogen Dioxide: 11.38 μg/m3
Sulphur Dioxide: 1.52 μg/m3
Ozone: 53.46 μg/m3

Astronomical

Sunrise: 7:15 AM
Sun Transit: 12:00 AM
Sunset: 7:22 PM
Daylight: 12 hrs 7 mins
Moonrise: 7:23 AM
Moon Transit: 12:00 AM
Moonset: 8:39 PM
Moon Phase: New
Moon Illumination: 0.3%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
9:17 PM - 11:47 PM

Minor Periods

8:09 PM - 9:39 PM
6:53 AM - 8:23 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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