Water Temperature of the Middle Santiam River in Foster, OR

Current Water Temperature

45.7°F

Measurement Time: Friday, January 2, 2026, 4:30 AM PST

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

50.5°F
Mist
Mist
51°F
56.7°F
96%
NE 2.2 mph
6.7 mph
56.5°F
52.5°F
0 in
100%
3 mi
1010 mbar
0.8

Five Day Weather Forecast

Patchy rain nearby
Fri
H: 59°F
L: 38°F
Moderate rain
Sat
H: 54°F
L: 40°F
Heavy rain
Sun
H: 46°F
L: 41°F
Moderate rain
Mon
H: 49°F
L: 35°F
Patchy rain nearby
Tue
H: 43°F
L: 34°F

Air Quality

AQI: 1 - Good
PM2.5: 4.15 μg/m3
PM10: 4.15 μg/m3
Carbon Monoxide: 163.85 μg/m3
Nitrogen Dioxide: 9.65 μg/m3
Sulphur Dioxide: 1.15 μg/m3
Ozone: 46 μg/m3

Astronomical

Sunrise: 7:46 AM
Sun Transit: 12:14 AM
Sunset: 4:43 PM
Daylight: 8 hrs 56 mins
Moonrise: 3:46 PM
Moon Transit: 12:00 AM
Moonset: 7:33 AM
Moon Phase: Full
Moon Illumination: 99.2%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
6:36 AM - 9:06 AM

Minor Periods

3:16 PM - 4:46 PM
7:03 AM - 8:33 AM

Action Rating: 4 out of 5

Friday, January 2, 2026

Weather Forecast

Patchy rain nearby
59.2°F
38.3°F
49.8°F
79%
0.07 in
87%
0%
5.6 mph
0.2


Air Quality

AQI: 1 - Good
PM2.5: 3.18 μg/m3
PM10: 3.24 μg/m3
Carbon Monoxide: 163.33 μg/m3
Nitrogen Dioxide: 4.36 μg/m3
Sulphur Dioxide: 1.11 μg/m3
Ozone: 60.96 μg/m3

Astronomical

Sunrise: 7:46 AM
Sun Transit: 12:14 AM
Sunset: 4:43 PM
Daylight: 8 hrs 56 mins
Moonrise: 3:46 PM
Moon Transit: 12:00 AM
Moonset: 7:33 AM
Moon Phase: Full
Moon Illumination: 99.2%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
6:36 AM - 9:06 AM

Minor Periods

3:16 PM - 4:46 PM
7:03 AM - 8:33 AM

Action Rating: 4 out of 5

Saturday, January 3, 2026

Weather Forecast

Moderate rain
54.1°F
39.6°F
48.8°F
69%
0.57 in
85%
0%
6.3 mph
0.2


Air Quality

AQI: 1 - Good
PM2.5: 2.85 μg/m3
PM10: 2.93 μg/m3
Carbon Monoxide: 146.05 μg/m3
Nitrogen Dioxide: 3.82 μg/m3
Sulphur Dioxide: 1.25 μg/m3
Ozone: 70 μg/m3

Astronomical

Sunrise: 7:46 AM
Sun Transit: 12:14 AM
Sunset: 4:44 PM
Daylight: 8 hrs 57 mins
Moonrise: 5:05 PM
Moon Transit: 12:11 AM
Moonset: 8:29 AM
Moon Phase: Full
Moon Illumination: 99.9%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
7:41 AM - 10:11 AM

Minor Periods

4:35 PM - 6:05 PM
7:59 AM - 9:29 AM

Action Rating: 6 out of 5

Sunday, January 4, 2026

Weather Forecast

Heavy rain
45.6°F
40.6°F
45.2°F
90%
1.28 in
88%
0%
5.8 mph
0


Air Quality

AQI: 1 - Good
PM2.5: 1.06 μg/m3
PM10: 1.13 μg/m3
Carbon Monoxide: 140.21 μg/m3
Nitrogen Dioxide: 1.91 μg/m3
Sulphur Dioxide: 1.03 μg/m3
Ozone: 81.12 μg/m3

Astronomical

Sunrise: 7:46 AM
Sun Transit: 12:15 AM
Sunset: 4:45 PM
Daylight: 8 hrs 58 mins
Moonrise: 6:27 PM
Moon Transit: 1:14 AM
Moonset: 9:10 AM
Moon Phase: Full
Moon Illumination: 98.1%

Best Times for Fishing or Hunting

Major Periods

12:44 AM - 3:14 AM
8:42 AM - 11:12 AM

Minor Periods

5:57 PM - 7:27 PM
8:40 AM - 10:10 AM

Action Rating: 3 out of 5

Monday, January 5, 2026

Weather Forecast

Moderate rain
49.4°F
34.6°F
42°F
92%
0.43 in
88%
0%
6.3 mph
0


Air Quality

AQI: 1 - Good
PM2.5: 1.09 μg/m3
PM10: 1.16 μg/m3
Carbon Monoxide: 143.4 μg/m3
Nitrogen Dioxide: 2.07 μg/m3
Sulphur Dioxide: 1.11 μg/m3
Ozone: 78.28 μg/m3

Astronomical

Sunrise: 7:46 AM
Sun Transit: 12:15 AM
Sunset: 4:46 PM
Daylight: 8 hrs 59 mins
Moonrise: 7:46 PM
Moon Transit: 2:11 AM
Moonset: 9:40 AM
Moon Phase: Full
Moon Illumination: 93.7%

Best Times for Fishing or Hunting

Major Periods

1:41 AM - 4:11 AM
9:38 AM - 12:08 AM

Minor Periods

7:16 PM - 8:46 PM
9:10 AM - 10:40 AM

Action Rating: 3 out of 5

Tuesday, January 6, 2026

Weather Forecast

Patchy rain nearby
43°F
34.1°F
40.7°F
98%
0.17 in
78%
0%
3.8 mph
0


Air Quality

AQI: 1 - Good
PM2.5: 1.96 μg/m3
PM10: 2.14 μg/m3
Carbon Monoxide: 205.04 μg/m3
Nitrogen Dioxide: 6.56 μg/m3
Sulphur Dioxide: 1.03 μg/m3
Ozone: 62.62 μg/m3

Astronomical

Sunrise: 7:46 AM
Sun Transit: 12:16 AM
Sunset: 4:47 PM
Daylight: 9 hrs 1 mins
Moonrise: 9:01 PM
Moon Transit: 3:03 AM
Moonset: 10:05 AM
Moon Phase: Waning Gibbous
Moon Illumination: 87.1%

Best Times for Fishing or Hunting

Major Periods

2:33 AM - 5:03 AM
10:28 AM - 12:58 AM

Minor Periods

8:31 PM - 10:01 PM
9:35 AM - 11:05 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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