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

Current Water Temperature

43.5°F

Measurement Time: Sunday, February 1, 2026, 5:50 PM PST

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

37.9°F
Mist
Mist
33.9°F
43.4°F
100%
ESE 5.1 mph
10.8 mph
41.9°F
35°F
0 in
100%
0 mi
1026 mbar
0

Five Day Weather Forecast

Sunny
Mon
H: 62°F
L: 42°F
Partly Cloudy
Tue
H: 66°F
L: 44°F
Sunny
Wed
H: 61°F
L: 46°F
Sunny
Thu
H: 63°F
L: 39°F
Overcast
Fri
H: 59°F
L: 40°F

Air Quality

AQI: 1 - Good
PM2.5: 3.65 μg/m3
PM10: 4.55 μg/m3
Carbon Monoxide: 179.85 μg/m3
Nitrogen Dioxide: 4.35 μg/m3
Sulphur Dioxide: 1.25 μg/m3
Ozone: 61 μg/m3

Astronomical

Sunrise: 7:27 AM
Sun Transit: 12:24 AM
Sunset: 5:22 PM
Daylight: 9 hrs 54 mins
Moonrise: 6:37 PM
Moon Transit: 12:49 AM
Moonset: 8:05 AM
Moon Phase: Full
Moon Illumination: 99.4%

Best Times for Fishing or Hunting

Major Periods

12:19 AM - 2:49 AM
8:14 AM - 10:44 AM

Minor Periods

6:07 PM - 7:37 PM
7:35 AM - 9:05 AM

Action Rating: 4 out of 5

Beach Hazards Statement issued January 31 at 2:18PM PST until February 2 at 4:00PM PST by NWS Portland OR

Effective: Sat January 31, 2026, 2:18 PM
Expires: Mon February 2, 2026, 4:00 PM

* WHAT...Sneaker waves possible. * WHERE...North and Central Coast of Oregon, and South Washington Coast. * WHEN...Through Monday afternoon. * IMPACTS...Waves can run up significantly farther on a beach than normal, including over rocks and jetties. Sneaker waves can suddenly knock people off of their feet and quickly pull them into the frigid ocean which may lead to serious injury or drowning. * ADDITIONAL DETAILS...Keep children and pets away from the surf zone. Keep off of jetties, rocks and logs near the surf zone. If you see someone swept into the sea do not swim in after them. Call 911 and keep an eye on them until help arrives.

Remain out of the water to avoid hazardous swimming conditions.
Monday, February 2, 2026

Weather Forecast

Sunny
62.2°F
41.9°F
47.9°F
66%
0 in
0%
0%
5.1 mph
0.2


Air Quality

AQI: 1 - Good
PM2.5: 5.47 μg/m3
PM10: 7.04 μg/m3
Carbon Monoxide: 168.33 μg/m3
Nitrogen Dioxide: 6.15 μg/m3
Sulphur Dioxide: 1.25 μg/m3
Ozone: 65.48 μg/m3

Astronomical

Sunrise: 7:27 AM
Sun Transit: 12:24 AM
Sunset: 5:22 PM
Daylight: 9 hrs 54 mins
Moonrise: 6:37 PM
Moon Transit: 12:49 AM
Moonset: 8:05 AM
Moon Phase: Full
Moon Illumination: 99.4%

Best Times for Fishing or Hunting

Major Periods

12:19 AM - 2:49 AM
8:14 AM - 10:44 AM

Minor Periods

6:07 PM - 7:37 PM
7:35 AM - 9:05 AM

Action Rating: 4 out of 5

Tuesday, February 3, 2026

Weather Forecast

Partly Cloudy
65.5°F
43.5°F
52.5°F
62%
0 in
0%
0%
4.3 mph
0.3


Air Quality

AQI: 1 - Good
PM2.5: 4.53 μg/m3
PM10: 5.23 μg/m3
Carbon Monoxide: 202.29 μg/m3
Nitrogen Dioxide: 9.15 μg/m3
Sulphur Dioxide: 1.45 μg/m3
Ozone: 56.84 μg/m3

Astronomical

Sunrise: 7:26 AM
Sun Transit: 12:24 AM
Sunset: 5:23 PM
Daylight: 9 hrs 57 mins
Moonrise: 7:50 PM
Moon Transit: 1:39 AM
Moonset: 8:27 AM
Moon Phase: Full
Moon Illumination: 96.3%

Best Times for Fishing or Hunting

Major Periods

1:09 AM - 3:39 AM
9:02 AM - 11:32 AM

Minor Periods

7:20 PM - 8:50 PM
7:57 AM - 9:27 AM

Action Rating: 3 out of 5

Wednesday, February 4, 2026

Weather Forecast

Sunny
61.2°F
46.1°F
52.8°F
66%
0 in
0%
0%
3.8 mph
0.4


Air Quality

AQI: 1 - Good
PM2.5: 5.61 μg/m3
PM10: 6.22 μg/m3
Carbon Monoxide: 217.93 μg/m3
Nitrogen Dioxide: 8.39 μg/m3
Sulphur Dioxide: 1.45 μg/m3
Ozone: 50.16 μg/m3

Astronomical

Sunrise: 7:25 AM
Sun Transit: 12:24 AM
Sunset: 5:24 PM
Daylight: 9 hrs 59 mins
Moonrise: 9:01 PM
Moon Transit: 2:24 AM
Moonset: 8:46 AM
Moon Phase: Full
Moon Illumination: 90.9%

Best Times for Fishing or Hunting

Major Periods

1:54 AM - 4:24 AM
9:47 AM - 12:17 AM

Minor Periods

8:31 PM - 10:01 PM
8:16 AM - 9:46 AM

Action Rating: 3 out of 5

Thursday, February 5, 2026

Weather Forecast

Sunny
63.1°F
39.2°F
47.9°F
71%
0 in
0%
0%
4.3 mph
0.4


Air Quality

AQI: 1 - Good
PM2.5: 8.77 μg/m3
PM10: 9.09 μg/m3
Carbon Monoxide: 214.72 μg/m3
Nitrogen Dioxide: 8.85 μg/m3
Sulphur Dioxide: 1.46 μg/m3
Ozone: 37.36 μg/m3

Astronomical

Sunrise: 7:24 AM
Sun Transit: 12:24 AM
Sunset: 5:26 PM
Daylight: 10 hrs 2 mins
Moonrise: 10:09 PM
Moon Transit: 3:08 AM
Moonset: 9:03 AM
Moon Phase: Waning Gibbous
Moon Illumination: 83.4%

Best Times for Fishing or Hunting

Major Periods

2:38 AM - 5:08 AM
10:30 AM - 1:00 PM

Minor Periods

9:39 PM - 11:09 PM
8:33 AM - 10:03 AM

Action Rating: 2 out of 5

Friday, February 6, 2026

Weather Forecast

Overcast
59°F
40.1°F
44.9°F
75%
0 in
0%
0%
4.5 mph
0


Air Quality

AQI: 1 - Good
PM2.5: 9.98 μg/m3
PM10: 10.31 μg/m3
Carbon Monoxide: 333.4 μg/m3
Nitrogen Dioxide: 14.04 μg/m3
Sulphur Dioxide: 1.55 μg/m3
Ozone: 23.69 μg/m3

Astronomical

Sunrise: 7:23 AM
Sun Transit: 12:24 AM
Sunset: 5:27 PM
Daylight: 10 hrs 5 mins
Moonrise: 11:16 PM
Moon Transit: 3:50 AM
Moonset: 9:21 AM
Moon Phase: Waning Gibbous
Moon Illumination: 74.1%

Best Times for Fishing or Hunting

Major Periods

3:20 AM - 5:50 AM
11:12 AM - 1:42 PM

Minor Periods

12:00 AM - 12:00 AM
8:51 AM - 10:21 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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