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

Current Water Temperature

54.3°F

Measurement Time: Sunday, May 17, 2026, 9:00 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

63°F
Partly cloudy
Partly cloudy
63°F
63.6°F
45%
NNW 9.4 mph
10.8 mph
63.5°F
44.6°F
0 in
75%
9 mi
1026 mbar
4.4

Five Day Weather Forecast

Patchy rain nearby
Sun
H: 65°F
L: 42°F
Sunny
Mon
H: 66°F
L: 39°F
Sunny
Tue
H: 67°F
L: 38°F
Cloudy
Wed
H: 66°F
L: 40°F
Sunny
Thu
H: 72°F
L: 41°F

Air Quality

AQI: 1 - Good
PM2.5: 6.25 μg/m3
PM10: 7.45 μg/m3
Carbon Monoxide: 159.85 μg/m3
Nitrogen Dioxide: 9.75 μg/m3
Sulphur Dioxide: 1.55 μg/m3
Ozone: 46 μg/m3

Astronomical

Sunrise: 5:41 AM
Sun Transit: 1:07 PM
Sunset: 8:34 PM
Daylight: 14 hrs 53 mins
Moonrise: 5:50 AM
Moon Transit: 2:06 PM
Moonset: 10:32 PM
Moon Phase: New
Moon Illumination: 0.2%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
1:36 PM - 4:06 PM

Minor Periods

10:02 PM - 11:32 PM
5:20 AM - 6:50 AM

Action Rating: 4 out of 5

Sunday, May 17, 2026

Weather Forecast

Patchy rain nearby
64.8°F
41.5°F
52.4°F
69%
0.05 in
89%
0%
9.4 mph
7.2


Air Quality

AQI: 1 - Good
PM2.5: 5.79 μg/m3
PM10: 8.77 μg/m3
Carbon Monoxide: 130.97 μg/m3
Nitrogen Dioxide: 1.97 μg/m3
Sulphur Dioxide: 1.43 μg/m3
Ozone: 65.96 μg/m3

Astronomical

Sunrise: 5:41 AM
Sun Transit: 1:07 PM
Sunset: 8:34 PM
Daylight: 14 hrs 53 mins
Moonrise: 5:50 AM
Moon Transit: 2:06 PM
Moonset: 10:32 PM
Moon Phase: New
Moon Illumination: 0.2%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
1:36 PM - 4:06 PM

Minor Periods

10:02 PM - 11:32 PM
5:20 AM - 6:50 AM

Action Rating: 4 out of 5

Monday, May 18, 2026

Weather Forecast

Sunny
65.7°F
39.2°F
53°F
62%
0 in
0%
0%
8.5 mph
6.9


Air Quality

AQI: 1 - Good
PM2.5: 6.69 μg/m3
PM10: 8.28 μg/m3
Carbon Monoxide: 140.65 μg/m3
Nitrogen Dioxide: 6.77 μg/m3
Sulphur Dioxide: 1.48 μg/m3
Ozone: 53.04 μg/m3

Astronomical

Sunrise: 5:40 AM
Sun Transit: 1:07 PM
Sunset: 8:35 PM
Daylight: 14 hrs 55 mins
Moonrise: 6:47 AM
Moon Transit: 3:13 PM
Moonset: 11:40 PM
Moon Phase: New
Moon Illumination: 2.6%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
2:43 PM - 5:13 PM

Minor Periods

12:00 AM - 12:00 AM
6:17 AM - 7:47 AM

Action Rating: 3 out of 5

Tuesday, May 19, 2026

Weather Forecast

Sunny
67°F
37.8°F
52.8°F
72%
0 in
0%
0%
8.9 mph
7


Air Quality

AQI: 1 - Good
PM2.5: 6.2 μg/m3
PM10: 8.29 μg/m3
Carbon Monoxide: 142.57 μg/m3
Nitrogen Dioxide: 5.04 μg/m3
Sulphur Dioxide: 1.53 μg/m3
Ozone: 53.44 μg/m3

Astronomical

Sunrise: 5:39 AM
Sun Transit: 1:07 PM
Sunset: 8:36 PM
Daylight: 14 hrs 57 mins
Moonrise: 7:57 AM
Moon Transit: 4:19 PM
Moonset: 12:40 AM
Moon Phase: Waxing Crescent
Moon Illumination: 7.4%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
3:49 PM - 6:19 PM

Minor Periods

7:27 AM - 8:57 AM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Wednesday, May 20, 2026

Weather Forecast

Cloudy
65.9°F
40.1°F
53.3°F
72%
0 in
0%
0%
8.5 mph
7.8


Air Quality

AQI: 1 - Good
PM2.5: 4.77 μg/m3
PM10: 6.55 μg/m3
Carbon Monoxide: 136.93 μg/m3
Nitrogen Dioxide: 4.62 μg/m3
Sulphur Dioxide: 1.31 μg/m3
Ozone: 48.52 μg/m3

Astronomical

Sunrise: 5:38 AM
Sun Transit: 1:07 PM
Sunset: 8:37 PM
Daylight: 14 hrs 59 mins
Moonrise: 9:16 AM
Moon Transit: 5:21 PM
Moonset: 12:33 AM
Moon Phase: Waxing Crescent
Moon Illumination: 14.4%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
4:51 PM - 7:21 PM

Minor Periods

8:46 AM - 10:16 AM
12:03 AM - 1:33 AM

Action Rating: 2 out of 5

Thursday, May 21, 2026

Weather Forecast

Sunny
71.6°F
41°F
56.7°F
71%
0 in
0%
0%
8.7 mph
0


Air Quality

AQI: 1 - Good
PM2.5: 6.05 μg/m3
PM10: 8.7 μg/m3
Carbon Monoxide: 152.85 μg/m3
Nitrogen Dioxide: 6.05 μg/m3
Sulphur Dioxide: 1.34 μg/m3
Ozone: 50.46 μg/m3

Astronomical

Sunrise: 5:37 AM
Sun Transit: 1:07 PM
Sunset: 8:38 PM
Daylight: 15 hrs 1 mins
Moonrise: 10:37 AM
Moon Transit: 6:16 PM
Moonset: 1:12 AM
Moon Phase: Waxing Crescent
Moon Illumination: 23.2%

Best Times for Fishing or Hunting

Major Periods

12:47 AM - 3:17 AM
5:46 PM - 8:16 PM

Minor Periods

10:07 AM - 11:37 AM
12:42 AM - 2:12 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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