Water Temperature of the Middle Santiam River in Foster, OR

Current Water Temperature

47.3°F

Measurement Time: Saturday, April 18, 2026, 12:00 PM PDT

Temperature Locations

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Local Points of Interest

Green Peter Reservoir; Green Peter Dam; Billings Park

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

62°F
Sunny
Sunny
62.3°F
62°F
74%
NW 2.5 mph
3.6 mph
62.3°F
56.6°F
0 in
0%
6 mi
1011 mbar
0.2

Five Day Weather Forecast

Sunny
Sat
H: 67°F
L: 46°F
Partly Cloudy
Sun
H: 70°F
L: 43°F
Patchy rain nearby
Mon
H: 71°F
L: 41°F
Moderate rain
Tue
H: 51°F
L: 47°F
Heavy rain
Wed
H: 45°F
L: 43°F

Air Quality

AQI: 1 - Good
PM2.5: 6.15 μg/m3
PM10: 11.05 μg/m3
Carbon Monoxide: 194.85 μg/m3
Nitrogen Dioxide: 6.65 μg/m3
Sulphur Dioxide: 0.95 μg/m3
Ozone: 58 μg/m3

Astronomical

Sunrise: 6:21 AM
Sun Transit: 1:09 PM
Sunset: 7:59 PM
Daylight: 13 hrs 38 mins
Moonrise: 6:37 AM
Moon Transit: 2:19 PM
Moonset: 10:18 PM
Moon Phase: New
Moon Illumination: 1.2%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
1:49 PM - 4:19 PM

Minor Periods

9:48 PM - 11:18 PM
6:07 AM - 7:37 AM

Action Rating: 4 out of 5

Saturday, April 18, 2026

Weather Forecast

Sunny
67.1°F
45.9°F
55.9°F
60%
0 in
0%
0%
6.3 mph
7.2


Air Quality

AQI: 1 - Good
PM2.5: 5.23 μg/m3
PM10: 9.2 μg/m3
Carbon Monoxide: 179.13 μg/m3
Nitrogen Dioxide: 4.79 μg/m3
Sulphur Dioxide: 1.09 μg/m3
Ozone: 79.92 μg/m3

Astronomical

Sunrise: 6:21 AM
Sun Transit: 1:09 PM
Sunset: 7:59 PM
Daylight: 13 hrs 38 mins
Moonrise: 6:37 AM
Moon Transit: 2:19 PM
Moonset: 10:18 PM
Moon Phase: New
Moon Illumination: 1.2%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
1:49 PM - 4:19 PM

Minor Periods

9:48 PM - 11:18 PM
6:07 AM - 7:37 AM

Action Rating: 4 out of 5

Sunday, April 19, 2026

Weather Forecast

Partly Cloudy
70.2°F
42.5°F
55.3°F
62%
0 in
0%
0%
7.4 mph
5.1


Air Quality

AQI: 1 - Good
PM2.5: 5.86 μg/m3
PM10: 12.43 μg/m3
Carbon Monoxide: 182.25 μg/m3
Nitrogen Dioxide: 4.4 μg/m3
Sulphur Dioxide: 1.15 μg/m3
Ozone: 82.72 μg/m3

Astronomical

Sunrise: 6:19 AM
Sun Transit: 1:09 PM
Sunset: 8:00 PM
Daylight: 13 hrs 41 mins
Moonrise: 7:13 AM
Moon Transit: 3:20 PM
Moonset: 11:40 PM
Moon Phase: Waxing Crescent
Moon Illumination: 4.9%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
2:50 PM - 5:20 PM

Minor Periods

12:00 AM - 12:00 AM
6:43 AM - 8:13 AM

Action Rating: 3 out of 5

Monday, April 20, 2026

Weather Forecast

Patchy rain nearby
71.2°F
41.1°F
53.7°F
77%
0.01 in
87%
0%
8.7 mph
6.2


Air Quality

AQI: 1 - Good
PM2.5: 8.93 μg/m3
PM10: 13.35 μg/m3
Carbon Monoxide: 186.25 μg/m3
Nitrogen Dioxide: 5.6 μg/m3
Sulphur Dioxide: 1.57 μg/m3
Ozone: 79.6 μg/m3

Astronomical

Sunrise: 6:18 AM
Sun Transit: 1:09 PM
Sunset: 8:01 PM
Daylight: 13 hrs 44 mins
Moonrise: 8:02 AM
Moon Transit: 4:25 PM
Moonset: 12:40 AM
Moon Phase: Waxing Crescent
Moon Illumination: 10.8%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
3:55 PM - 6:25 PM

Minor Periods

7:32 AM - 9:02 AM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Tuesday, April 21, 2026

Weather Forecast

Moderate rain
50.8°F
47.1°F
49.2°F
98%
0.23 in
89%
0%
4.9 mph
0.9


Air Quality

AQI: 1 - Good
PM2.5: 3.65 μg/m3
PM10: 5.48 μg/m3
Carbon Monoxide: 161.17 μg/m3
Nitrogen Dioxide: 3.71 μg/m3
Sulphur Dioxide: 1.12 μg/m3
Ozone: 71.12 μg/m3

Astronomical

Sunrise: 6:16 AM
Sun Transit: 1:08 PM
Sunset: 8:03 PM
Daylight: 13 hrs 46 mins
Moonrise: 9:03 AM
Moon Transit: 5:30 PM
Moonset: 12:53 AM
Moon Phase: Waxing Crescent
Moon Illumination: 18.8%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
5:00 PM - 7:30 PM

Minor Periods

8:33 AM - 10:03 AM
12:23 AM - 1:53 AM

Action Rating: 2 out of 5

Wednesday, April 22, 2026

Weather Forecast

Heavy rain
45°F
42.9°F
44.6°F
98%
1.57 in
68%
0%
6.7 mph
0.5


Air Quality

AQI: 1 - Good
PM2.5: 2.29 μg/m3
PM10: 2.8 μg/m3
Carbon Monoxide: 167.99 μg/m3
Nitrogen Dioxide: 4.73 μg/m3
Sulphur Dioxide: 1.16 μg/m3
Ozone: 69.23 μg/m3

Astronomical

Sunrise: 6:15 AM
Sun Transit: 1:08 PM
Sunset: 8:04 PM
Daylight: 13 hrs 49 mins
Moonrise: 10:15 AM
Moon Transit: 6:32 PM
Moonset: 1:53 AM
Moon Phase: Waxing Crescent
Moon Illumination: 28.4%

Best Times for Fishing or Hunting

Major Periods

12:59 AM - 3:29 AM
6:02 PM - 8:32 PM

Minor Periods

9:45 AM - 11:15 AM
1:23 AM - 2:53 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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