Water Temperature of the Middle Santiam River in Foster, OR

Current Water Temperature

57.9°F
Cold Thermal Gear Required
57.9°F
Frigid < 50°F
Cold 50°–60°
Cool 60°–70°
Comfortable 70°–80°
Warm 80°+

Cold shock risk with rapid dexterity loss (10–15 mins). Wetsuit or drysuit strongly advised for any immersion.

Measurement Time: Thursday, November 5, 2026, 4:00 AM PST

Temperature Locations

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Local Points of Interest

Green Peter Reservoir; Green Peter Dam; Billings Park

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Middle Santiam River

Station Name: MIDDLE SANTIAM R BLW GREEN PETER DAM NR FOSTER, OR
Data Source: Water Data - usgc.gov

Elevation Above Sea Level: 745 feet

Nearest Address:
Quartzville Dr
Foster, OR 97345
Linn County

GPS Coordinates: 44.44818005, -122.5503613

Nearby Water Temperatures

South Santiam River, Cascadia, OR (4.7 mi)
South Santiam River, Sweet Home, OR (7.3 mi)
Quartzville Creek, Cascadia, OR (8.5 mi)
Middle Santiam River, Cascadia, OR (9.9 mi)
South Santiam River, Waterloo, OR (13.9 mi)
Blue River, Blue River, OR (21.3 mi)
North Fork Quartz Creek, Blue River, OR (21.6 mi)
Lookout Creek, Blue River, OR (22 mi)
Blue River Lake, Blue River, OR (22 mi)
Blue River, Blue River, OR (22.5 mi)
McKenzie River, Vida, OR (22.7 mi)
North Santiam River, Mehama, OR (23.6 mi)
Little North Santiam River, Lyons, OR (23.8 mi)
Detroit Lake, Detroit, OR (23.9 mi)
North Santiam River, Niagara, OR (24.5 mi)

Weather for Foster, Oregon

Current Weather

57°F
Partly Cloudy
Conditions: Partly Cloudy
Humidity: 59%
Feels Like: 54°F
Wind: S 2.5 mph
Wind Gusts: 4.3 mph
Pressure: 30.2 in
Precipitation: 0 in
Cloud Cover: 33%
Visibility: 6 mi
UV Index: 1.9

Weather Forecast

Patchy rain nearby
Thu
H: 59°F
L: 37°F
Overcast
Fri
H: 64°F
L: 38°F
Sunny
Sat
H: 67°F
L: 38°F

Air Quality

EPA Index 1 • Good

Air quality is satisfactory, and air pollution poses little or no risk.

PM2.5
2.3 μg/m³
Good
PM10
3.6 μg/m³
Good
Ozone (O3)
82 μg/m³
Photochemical
NO2
0.3 μg/m³
Nitrogen Dioxide
SO2
0.5 μg/m³
Sulfur Dioxide
CO
117 μg/m³
Carbon Monoxide

Astronomical

Sun
10h 1m daylight
Sunrise 6:53 AM
Solar Noon 11:53 AM
Sunset 4:54 PM
Moon
Waning Crescent • 11%
Moonrise 3:07 AM
Transit 9:10 AM
Moonset 3:02 PM

Best Times for Fishing or Hunting

Major Periods

8:40 AM - 11:10 AM
9:02 PM - 11:32 PM

Minor Periods

2:37 AM - 4:07 AM
2:32 PM - 4:02 PM
Action Rating:
Fair Action 2/5
Thursday, November 5, 2026

Weather Forecast

Conditions: Patchy rain nearby
Average Temperature: 45.5°F
Average Humidity: 81%
Chance of Rain: 43%
Wind: 4.7 mph
UV Index: 1.9

Astronomical

Sun
10h 1m daylight
Sunrise 6:53 AM
Solar Noon 11:53 AM
Sunset 4:54 PM
Moon
Waning Crescent • 11%
Moonrise 3:07 AM
Transit 9:10 AM
Moonset 3:02 PM

Best Times for Fishing or Hunting

Major Periods

8:40 AM - 11:10 AM
9:02 PM - 11:32 PM

Minor Periods

2:37 AM - 4:07 AM
2:32 PM - 4:02 PM
Action Rating:
Fair Action 2/5
Friday, November 6, 2026

Weather Forecast

Conditions: Overcast
Average Temperature: 47.6°F
Average Humidity: 56%
Chance of Rain: 15%
Wind: 5.1 mph
UV Index: 2

Astronomical

Sun
9h 58m daylight
Sunrise 6:55 AM
Solar Noon 11:53 AM
Sunset 4:53 PM
Moon
Waning Crescent • 5%
Moonrise 4:17 AM
Transit 9:54 AM
Moonset 3:21 PM

Best Times for Fishing or Hunting

Major Periods

9:24 AM - 11:54 AM
9:46 PM - 12:16 AM

Minor Periods

3:47 AM - 5:17 AM
2:51 PM - 4:21 PM
Action Rating:
Fair Action 2/5
Saturday, November 7, 2026

Weather Forecast

Conditions: Sunny
Average Temperature: 50°F
Average Humidity: 56%
Chance of Rain: 57%
Wind: 10.7 mph
UV Index: 2.4

Astronomical

Sun
9h 55m daylight
Sunrise 6:56 AM
Solar Noon 11:53 AM
Sunset 4:51 PM
Moon
Waning Crescent • 1%
Moonrise 5:26 AM
Transit 10:39 AM
Moonset 3:43 PM

Best Times for Fishing or Hunting

Major Periods

10:09 AM - 12:39 PM
10:32 PM - 1:02 AM

Minor Periods

4:56 AM - 6:26 AM
3:13 PM - 4:43 PM
Action Rating:
Good Action 3/5
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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