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

Current Water Temperature

54.0°F

Measurement Time: Sunday, May 24, 2026, 1:40 PM 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

69.1°F
Sunny
Sunny
69.1°F
72.2°F
31%
W 3.8 mph
8 mph
71.6°F
51.2°F
0 in
0%
9 mi
1012 mbar
0.1

Five Day Weather Forecast

Sunny
Sun
H: 80°F
L: 47°F
Patchy rain nearby
Mon
H: 67°F
L: 43°F
Patchy rain nearby
Tue
H: 60°F
L: 45°F
Patchy rain nearby
Wed
H: 56°F
L: 43°F
Patchy rain nearby
Thu
H: 71°F
L: 46°F

Air Quality

AQI: 1 - Good
PM2.5: 9.95 μg/m3
PM10: 18.75 μg/m3
Carbon Monoxide: 140.85 μg/m3
Nitrogen Dioxide: 9.15 μg/m3
Sulphur Dioxide: 1.25 μg/m3
Ozone: 44 μg/m3

Astronomical

Sunrise: 5:34 AM
Sun Transit: 1:07 PM
Sunset: 8:41 PM
Daylight: 15 hrs 7 mins
Moonrise: 2:17 PM
Moon Transit: 8:35 PM
Moonset: 2:25 AM
Moon Phase: First Quarter
Moon Illumination: 55.7%

Best Times for Fishing or Hunting

Major Periods

3:15 AM - 5:45 AM
8:05 PM - 10:35 PM

Minor Periods

1:47 PM - 3:17 PM
1:55 AM - 3:25 AM

Action Rating: 3 out of 5

Sunday, May 24, 2026

Weather Forecast

Sunny
80.1°F
46.9°F
64.5°F
56%
0 in
0%
0%
5.8 mph
7.3


Air Quality

AQI: 1 - Good
PM2.5: 6.54 μg/m3
PM10: 10.37 μg/m3
Carbon Monoxide: 129.89 μg/m3
Nitrogen Dioxide: 4.57 μg/m3
Sulphur Dioxide: 1.2 μg/m3
Ozone: 54.12 μg/m3

Astronomical

Sunrise: 5:34 AM
Sun Transit: 1:07 PM
Sunset: 8:41 PM
Daylight: 15 hrs 7 mins
Moonrise: 2:17 PM
Moon Transit: 8:35 PM
Moonset: 2:25 AM
Moon Phase: First Quarter
Moon Illumination: 55.7%

Best Times for Fishing or Hunting

Major Periods

3:15 AM - 5:45 AM
8:05 PM - 10:35 PM

Minor Periods

1:47 PM - 3:17 PM
1:55 AM - 3:25 AM

Action Rating: 3 out of 5

Monday, May 25, 2026

Weather Forecast

Patchy rain nearby
67.3°F
42.5°F
54.6°F
70%
0.16 in
90%
0%
14.1 mph
6.6


Air Quality

AQI: 1 - Good
PM2.5: 9.99 μg/m3
PM10: 19.65 μg/m3
Carbon Monoxide: 132.69 μg/m3
Nitrogen Dioxide: 4.73 μg/m3
Sulphur Dioxide: 1.28 μg/m3
Ozone: 68.8 μg/m3

Astronomical

Sunrise: 5:34 AM
Sun Transit: 1:07 PM
Sunset: 8:42 PM
Daylight: 15 hrs 9 mins
Moonrise: 3:24 PM
Moon Transit: 9:17 PM
Moonset: 2:43 AM
Moon Phase: First Quarter
Moon Illumination: 66.7%

Best Times for Fishing or Hunting

Major Periods

3:57 AM - 6:27 AM
8:47 PM - 11:17 PM

Minor Periods

2:54 PM - 4:24 PM
2:13 AM - 3:43 AM

Action Rating: 3 out of 5

Tuesday, May 26, 2026

Weather Forecast

Patchy rain nearby
59.6°F
44.8°F
49.6°F
87%
0.19 in
89%
0%
7.2 mph
5.1


Air Quality

AQI: 1 - Good
PM2.5: 3.05 μg/m3
PM10: 4.3 μg/m3
Carbon Monoxide: 115.93 μg/m3
Nitrogen Dioxide: 1.97 μg/m3
Sulphur Dioxide: 1.15 μg/m3
Ozone: 62.56 μg/m3

Astronomical

Sunrise: 5:33 AM
Sun Transit: 1:07 PM
Sunset: 8:43 PM
Daylight: 15 hrs 10 mins
Moonrise: 4:30 PM
Moon Transit: 10:00 PM
Moonset: 3:00 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 76.9%

Best Times for Fishing or Hunting

Major Periods

4:39 AM - 7:09 AM
12:00 AM - 12:00 AM

Minor Periods

4:00 PM - 5:30 PM
2:30 AM - 4:00 AM

Action Rating: 2 out of 5

Wednesday, May 27, 2026

Weather Forecast

Patchy rain nearby
55.8°F
42.6°F
49.3°F
93%
0.11 in
88%
0%
3.6 mph
2.1


Air Quality

AQI: 1 - Good
PM2.5: 4.61 μg/m3
PM10: 6.25 μg/m3
Carbon Monoxide: 125.14 μg/m3
Nitrogen Dioxide: 3.1 μg/m3
Sulphur Dioxide: 1.45 μg/m3
Ozone: 53.16 μg/m3

Astronomical

Sunrise: 5:32 AM
Sun Transit: 1:08 PM
Sunset: 8:44 PM
Daylight: 15 hrs 12 mins
Moonrise: 5:36 PM
Moon Transit: 10:42 PM
Moonset: 3:19 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 85.7%

Best Times for Fishing or Hunting

Major Periods

5:21 AM - 7:51 AM
12:00 AM - 12:00 AM

Minor Periods

5:06 PM - 6:36 PM
2:49 AM - 4:19 AM

Action Rating: 3 out of 5

Thursday, May 28, 2026

Weather Forecast

Patchy rain nearby
70.8°F
45.6°F
57°F
80%
0.01 in
70%
0%
5.8 mph
6.8


Air Quality

AQI: 1 - Good
PM2.5: 6.97 μg/m3
PM10: 8.87 μg/m3
Carbon Monoxide: 165.34 μg/m3
Nitrogen Dioxide: 8.23 μg/m3
Sulphur Dioxide: 1.6 μg/m3
Ozone: 38.85 μg/m3

Astronomical

Sunrise: 5:31 AM
Sun Transit: 1:08 PM
Sunset: 8:45 PM
Daylight: 15 hrs 14 mins
Moonrise: 6:43 PM
Moon Transit: 11:27 PM
Moonset: 3:39 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 92.7%

Best Times for Fishing or Hunting

Major Periods

6:04 AM - 8:34 AM
12:00 AM - 12:00 AM

Minor Periods

6:13 PM - 7:43 PM
3:09 AM - 4:39 AM

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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