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

Current Water Temperature

55.6°F

Measurement Time: Saturday, May 16, 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

59.5°F

Conditions: Partly cloudy

Feels Like: 59.5°F

Heat Index: 53.8°F

Humidity: 53%

Wind: WNW 8.9 mph

Wind Gusts: 14.1 mph

Wind Chill: 50.2°F

Dew Point: 37.4°F

Precipitation: 0 in

Cloud Cover: 75%

Visibility: 9 mi

Air Pressure: 1024 mbar

UV Index: 2.7

Five Day Weather Forecast

Sat
H: 55°F
L: 47°F

Sun
H: 61°F
L: 37°F

Mon
H: 66°F
L: 38°F

Tue
H: 66°F
L: 38°F

Wed
H: 67°F
L: 37°F

Air Quality

AQI: 1 - Good

PM2.5: 6.65 μg/m3

PM10: 10.15 μg/m3

Carbon Monoxide: 132.85 μg/m3
Nitrogen Dioxide: 2.45 μg/m3
Sulphur Dioxide: 1.45 μg/m3
Ozone: 65 μg/m3

Astronomical

Sunrise: 5:42 AM
Sun Transit: 1:07 PM
Sunset: 8:33 PM
Daylight: 14 hrs 51 mins

Moonrise: 5:07 AM
Moon Transit: 1:02 PM
Moonset: 9:12 PM
Moon Phase: New
Moon Illumination: 2.0%

Best Times for Fishing or Hunting

Major Periods

8:30 PM - 11:00 PM
12:32 AM - 3:02 PM

Minor Periods

8:42 PM - 10:12 PM
4:37 AM - 6:07 AM

Action Rating: 6 out of 5

Winter Weather Advisory issued May 15 at 8:54PM PDT until May 16 at 11:00PM PDT by NWS Portland OR

Effective: Fri May 15, 2026, 8:54 PM
Expires: Sat May 16, 2026, 11:00 AM

* WHAT...Snow expected above 4000 feet. Total snow accumulations between 4 to 8 inches, highest amounts at Government Camp. 12 to 18 inches of snow expected above 5000 to 5500 feet. Winds gusting as high as 35 mph. * WHERE...South Washington Cascades and the Northern and Central Cascades of Oregon. * WHEN...Until 11 PM PDT Saturday. * IMPACTS...Roads, and especially bridges and overpasses, will likely become slick and hazardous.

Have a winter emergency driving kit readily available. Common items to include: flashlight, batteries, blankets, a shovel, water, non-perishable food items, tire chains, etc. Be aware that walking surfaces may be slick. Walk with extra care. For the latest road conditions and chain restrictions in Oregon, call 5 1 1, or visit: www.tripcheck.com. For the latest road conditions and chain restrictions in Washington, visit: wsdot.com/travel/real-time/map

Winter Weather Advisory issued May 16 at 10:34AM PDT until May 16 at 11:00PM PDT by NWS Portland OR

Effective: Sat May 16, 2026, 10:34 AM
Expires: Sat May 16, 2026, 11:00 PM

* WHAT...Snow expected above 4000 feet. Storm total snow accumulations between 4 to 8 inches, highest amounts at Government Camp, and 12 to 18 inches of snow above 5000 feet. Winds gusting as high as 35 mph. * WHERE...South Washington Cascades and the Northern and Central Cascades of Oregon. * WHEN...Until 11 PM PDT this evening. * IMPACTS...Roads, and especially bridges and overpasses, will likely become slick and hazardous. * ADDITIONAL DETAILS...Additional snowfall of most likely 1 to 4 inches after 11 AM today. There is a 20% chance of an additional 6 inches or more at pass-level.

Saturday, May 16, 2026

Weather Forecast

Conditions: Moderate rain

High Temperature: 55.4°F

Low Temperature: 46.8°F

Average Temperature: 49.9°F

Average Humidity: 71%

Precipitation: 0.26 in

Chance of Rain: 89%

Chance of Snow: 0%

Maximum Wind: 10.5 mph

UV Index: 5.4

Air Quality

AQI: 1 - Good

PM2.5: 5.82 μg/m3

PM10: 8.78 μg/m3

Carbon Monoxide: 133.97 μg/m3
Nitrogen Dioxide: 1.85 μg/m3
Sulphur Dioxide: 1.21 μg/m3
Ozone: 70.32 μg/m3

Astronomical

Sunrise: 5:42 AM
Sun Transit: 1:07 PM
Sunset: 8:33 PM
Daylight: 14 hrs 51 mins

Moonrise: 5:07 AM
Moon Transit: 1:02 PM
Moonset: 9:12 PM
Moon Phase: New
Moon Illumination: 2.0%

Best Times for Fishing or Hunting

Major Periods

8:30 PM - 11:00 PM
12:32 AM - 3:02 PM

Minor Periods

8:42 PM - 10:12 PM
4:37 AM - 6:07 AM

Action Rating: 6 out of 5

Sunday, May 17, 2026

Weather Forecast

Conditions: Patchy rain nearby

High Temperature: 61°F

Low Temperature: 36.8°F

Average Temperature: 47.9°F

Average Humidity: 74%

Precipitation: 0.03 in

Chance of Rain: 88%

Chance of Snow: 0%

Maximum Wind: 8.7 mph

UV Index: 7.2

Air Quality

AQI: 1 - Good

PM2.5: 6.32 μg/m3

PM10: 9.51 μg/m3

Carbon Monoxide: 131.01 μg/m3
Nitrogen Dioxide: 2.2 μg/m3
Sulphur Dioxide: 1.46 μg/m3
Ozone: 64.16 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

Conditions: Partly Cloudy

High Temperature: 66.3°F

Low Temperature: 38.3°F

Average Temperature: 52°F

Average Humidity: 68%

Precipitation: 0 in

Chance of Rain: 0%

Chance of Snow: 0%

Maximum Wind: 7.8 mph

UV Index: 6.9

Air Quality

AQI: 1 - Good

PM2.5: 7.33 μg/m3

PM10: 9.89 μg/m3

Carbon Monoxide: 144.33 μg/m3
Nitrogen Dioxide: 5.2 μg/m3
Sulphur Dioxide: 1.35 μg/m3
Ozone: 48.88 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

Conditions: Sunny

High Temperature: 66.3°F

Low Temperature: 38.2°F

Average Temperature: 52.7°F

Average Humidity: 73%

Precipitation: 0 in

Chance of Rain: 0%

Chance of Snow: 0%

Maximum Wind: 7.2 mph

UV Index: 7

Air Quality

AQI: 1 - Good

PM2.5: 6.01 μg/m3

PM10: 7.69 μg/m3

Carbon Monoxide: 143.41 μg/m3
Nitrogen Dioxide: 5.48 μg/m3
Sulphur Dioxide: 1.36 μg/m3
Ozone: 53.6 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

Conditions: Sunny

High Temperature: 67°F

Low Temperature: 37°F

Average Temperature: 52.8°F

Average Humidity: 69%

Precipitation: 0 in

Chance of Rain: 0%

Chance of Snow: 0%

Maximum Wind: 8.7 mph

UV Index: 7.8

Air Quality

AQI: 1 - Good

PM2.5: 5.31 μg/m3

PM10: 6.9 μg/m3

Carbon Monoxide: 157.75 μg/m3
Nitrogen Dioxide: 6.63 μg/m3
Sulphur Dioxide: 1.32 μg/m3
Ozone: 51 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

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

Current Water Temperature

Temperature Locations

Local Points of Interest

Nearby Water Temperatures

Weather for Sweet Home, Oregon

Current Weather

Five Day Weather Forecast

Air Quality

Astronomical

Best Times for Fishing or Hunting

Major Periods

Minor Periods

Winter Weather Advisory issued May 15 at 8:54PM PDT until May 16 at 11:00PM PDT by NWS Portland OR

Winter Weather Advisory issued May 16 at 10:34AM PDT until May 16 at 11:00PM PDT by NWS Portland OR

Weather Forecast

Air Quality

Astronomical

Best Times for Fishing or Hunting

Major Periods

Minor Periods

Weather Forecast

Air Quality

Astronomical

Best Times for Fishing or Hunting

Major Periods

Minor Periods

Weather Forecast

Air Quality

Astronomical

Best Times for Fishing or Hunting

Major Periods

Minor Periods

Weather Forecast

Air Quality

Astronomical

Best Times for Fishing or Hunting

Major Periods

Minor Periods

Weather Forecast

Air Quality

Astronomical

Best Times for Fishing or Hunting

Major Periods

Minor Periods

Webcams Near Sweet Home, OR

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