Water Temperature of the Middle Santiam River in Foster, OR

Current Water Temperature

44.1°F

Measurement Time: Monday, March 9, 2026, 9:00 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

35.9°F
Patchy rain nearby
Patchy rain nearby
32.6°F
35.9°F
94%
SW 3.1 mph
3.6 mph
32.6°F
34.6°F
0 in
96%
1 mi
1024 mbar
0

Five Day Weather Forecast

Patchy rain nearby
Tue
H: 45°F
L: 29°F
Overcast
Wed
H: 54°F
L: 37°F
Heavy rain
Thu
H: 46°F
L: 43°F
Moderate rain
Fri
H: 50°F
L: 44°F
Moderate rain
Sat
H: 48°F
L: 28°F

Air Quality

AQI: 1 - Good
PM2.5: 3.45 μg/m3
PM10: 4.95 μg/m3
Carbon Monoxide: 151.85 μg/m3
Nitrogen Dioxide: 1.45 μg/m3
Sulphur Dioxide: 1.35 μg/m3
Ozone: 96 μg/m3

Astronomical

Sunrise: 7:31 AM
Sun Transit: 12:00 AM
Sunset: 7:10 PM
Daylight: 11 hrs 39 mins
Moonrise: 2:24 AM
Moon Transit: 6:31 AM
Moonset: 10:35 AM
Moon Phase: Last Quarter
Moon Illumination: 47.2%

Best Times for Fishing or Hunting

Major Periods

6:01 AM - 8:31 AM
1:56 PM - 4:26 PM

Minor Periods

10:05 AM - 11:35 AM
1:54 AM - 3:24 AM

Action Rating: 2 out of 5

Winter Weather Advisory issued March 9 at 1:48PM PDT until March 11 at 5:00PM PDT by NWS Portland OR

Effective: Mon March 9, 2026, 1:48 PM
Expires: Tue March 10, 2026, 2:00 AM

* WHAT...Snow expected above 3500 ft. Total snow accumulations between 4 and 8 inches. Winds gusting as high as 35 mph. * WHERE...Cascades of Marion and Linn Counties. * WHEN...Until 5 PM PDT Wednesday. * 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. Slow down and use caution while traveling. For the latest road conditions and chain restrictions in Oregon, call 5 1 1, or visit: www.tripcheck.com.
Tuesday, March 10, 2026

Weather Forecast

Patchy rain nearby
44.6°F
28.7°F
38.6°F
80%
0.1 in
85%
0%
4 mph
0.7


Air Quality

AQI: 1 - Good
PM2.5: 4.06 μg/m3
PM10: 5.85 μg/m3
Carbon Monoxide: 155.21 μg/m3
Nitrogen Dioxide: 2.24 μg/m3
Sulphur Dioxide: 1.31 μg/m3
Ozone: 92.24 μg/m3

Astronomical

Sunrise: 7:31 AM
Sun Transit: 12:00 AM
Sunset: 7:10 PM
Daylight: 11 hrs 39 mins
Moonrise: 2:24 AM
Moon Transit: 6:31 AM
Moonset: 10:35 AM
Moon Phase: Last Quarter
Moon Illumination: 47.2%

Best Times for Fishing or Hunting

Major Periods

6:01 AM - 8:31 AM
1:56 PM - 4:26 PM

Minor Periods

10:05 AM - 11:35 AM
1:54 AM - 3:24 AM

Action Rating: 2 out of 5

Wednesday, March 11, 2026

Weather Forecast

Overcast
54°F
37°F
44°F
72%
0 in
0%
0%
8.9 mph
0.1


Air Quality

AQI: 1 - Good
PM2.5: 4.24 μg/m3
PM10: 6.11 μg/m3
Carbon Monoxide: 147.85 μg/m3
Nitrogen Dioxide: 2 μg/m3
Sulphur Dioxide: 1.07 μg/m3
Ozone: 90.56 μg/m3

Astronomical

Sunrise: 7:29 AM
Sun Transit: 12:00 AM
Sunset: 7:11 PM
Daylight: 11 hrs 42 mins
Moonrise: 3:22 AM
Moon Transit: 7:22 AM
Moonset: 11:21 AM
Moon Phase: Last Quarter
Moon Illumination: 36.0%

Best Times for Fishing or Hunting

Major Periods

6:52 AM - 9:22 AM
2:48 PM - 5:18 PM

Minor Periods

10:51 AM - 12:21 AM
2:52 AM - 4:22 AM

Action Rating: 2 out of 5

Thursday, March 12, 2026

Weather Forecast

Heavy rain
46°F
43.3°F
45.2°F
93%
1.07 in
86%
0%
8.5 mph
0.1


Air Quality

AQI: 1 - Good
PM2.5: 3.78 μg/m3
PM10: 5.08 μg/m3
Carbon Monoxide: 128.81 μg/m3
Nitrogen Dioxide: 2.02 μg/m3
Sulphur Dioxide: 0.99 μg/m3
Ozone: 72.76 μg/m3

Astronomical

Sunrise: 7:27 AM
Sun Transit: 12:00 AM
Sunset: 7:13 PM
Daylight: 11 hrs 45 mins
Moonrise: 4:14 AM
Moon Transit: 8:14 AM
Moonset: 12:17 AM
Moon Phase: Last Quarter
Moon Illumination: 25.6%

Best Times for Fishing or Hunting

Major Periods

7:44 AM - 10:14 AM
3:40 PM - 6:10 PM

Minor Periods

11:47 AM - 1:17 PM
3:44 AM - 5:14 AM

Action Rating: 3 out of 5

Friday, March 13, 2026

Weather Forecast

Moderate rain
50.3°F
44.3°F
46.9°F
95%
0.61 in
86%
0%
8.3 mph
0


Air Quality

AQI: 1 - Good
PM2.5: 2.03 μg/m3
PM10: 2.42 μg/m3
Carbon Monoxide: 127.13 μg/m3
Nitrogen Dioxide: 2.47 μg/m3
Sulphur Dioxide: 0.91 μg/m3
Ozone: 63.68 μg/m3

Astronomical

Sunrise: 7:26 AM
Sun Transit: 12:00 AM
Sunset: 7:14 PM
Daylight: 11 hrs 48 mins
Moonrise: 4:56 AM
Moon Transit: 9:05 AM
Moonset: 1:20 PM
Moon Phase: Waning Crescent
Moon Illumination: 16.4%

Best Times for Fishing or Hunting

Major Periods

8:35 AM - 11:05 AM
4:31 PM - 7:01 PM

Minor Periods

12:50 AM - 2:20 PM
4:26 AM - 5:56 AM

Action Rating: 3 out of 5

Saturday, March 14, 2026

Weather Forecast

Moderate rain
47.8°F
27.9°F
40.9°F
97%
0.3 in
84%
0%
4.9 mph
1


Air Quality

AQI: 1 - Good
PM2.5: 1.57 μg/m3
PM10: 1.68 μg/m3
Carbon Monoxide: 128.5 μg/m3
Nitrogen Dioxide: 2.28 μg/m3
Sulphur Dioxide: 0.95 μg/m3
Ozone: 66.15 μg/m3

Astronomical

Sunrise: 7:24 AM
Sun Transit: 12:00 AM
Sunset: 7:15 PM
Daylight: 11 hrs 51 mins
Moonrise: 5:31 AM
Moon Transit: 9:56 AM
Moonset: 2:29 PM
Moon Phase: Waning Crescent
Moon Illumination: 8.9%

Best Times for Fishing or Hunting

Major Periods

5:21 PM - 7:51 PM
9:26 AM - 11:56 AM

Minor Periods

1:59 PM - 3:29 PM
5:01 AM - 6:31 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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