Water Temperature of the South Santiam River in Cascadia, OR

Current Water Temperature

53.8°F

Measurement Time: Tuesday, May 19, 2026, 7:40 PM PDT

Temperature Locations

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Local Points of Interest

Cascadia State Park; Foster, OR

South Santiam River

Station Name: SOUTH SANTIAM RIVER BELOW CASCADIA, OR
Data Source: Water Data - usgc.gov

Elevation Above Sea Level: 860 feet

Nearest Address:
47795 Santiam Hwy
Cascadia, OR 97329
Linn County

GPS Coordinates: 44.39179225, -122.4975817

Nearby Water Temperatures

Middle Santiam River, Foster, OR (4.7 mi)
South Santiam River, Sweet Home, OR (9.5 mi)
Middle Santiam River, Cascadia, OR (10.5 mi)
Quartzville Creek, Cascadia, OR (10.7 mi)
Blue River, Blue River, OR (16.6 mi)
North Fork Quartz Creek, Blue River, OR (16.9 mi)
Lookout Creek, Blue River, OR (17.3 mi)
Blue River Lake, Blue River, OR (17.4 mi)
South Santiam River, Waterloo, OR (17.7 mi)
Blue River, Blue River, OR (17.8 mi)
McKenzie River, Vida, OR (18.5 mi)
South Fork McKenzie River, Rainbow, OR (21.6 mi)
Smith River, Belknap Springs, OR (22.6 mi)
Smith River, Foster, OR (23.3 mi)
McKenzie River, Belknap Springs, OR (23.7 mi)

Weather for Cascadia, Oregon

Current Weather

40.4°F
Fog
Fog
40.4°F
40.4°F
98%
ENE 2.2 mph
2.3 mph
40.4°F
38.9°F
0 in
100%
0 mi
1022 mbar
0

Five Day Weather Forecast

Cloudy
Wed
H: 67°F
L: 39°F
Sunny
Thu
H: 75°F
L: 39°F
Sunny
Fri
H: 74°F
L: 43°F
Sunny
Sat
H: 74°F
L: 42°F
Sunny
Sun
H: 75°F
L: 40°F

Air Quality

PM2.5: 4.95 μg/m3
PM10: 6.85 μg/m3
Carbon Monoxide: 122.85 μg/m3
Nitrogen Dioxide: 2.05 μg/m3
Sulphur Dioxide: 1.05 μg/m3
Ozone: 48 μg/m3

Astronomical

Sunrise: 5:37 AM
Sun Transit: 1:06 PM
Sunset: 8:37 PM
Daylight: 14 hrs 59 mins
Moonrise: 9:15 AM
Moon Transit: 5:20 PM
Moonset: 12:32 AM
Moon Phase: Waxing Crescent
Moon Illumination: 14.4%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
4:50 PM - 7:20 PM

Minor Periods

8:45 AM - 10:15 AM
12:02 AM - 1:32 AM

Action Rating: 2 out of 5

Wednesday, May 20, 2026

Weather Forecast

Cloudy
67.3°F
39.4°F
52.7°F
71%
0 in
0%
0%
7.8 mph
8


Air Quality

AQI: 1 - Good
PM2.5: 4.68 μg/m3
PM10: 6.19 μg/m3
Carbon Monoxide: 120.41 μg/m3
Nitrogen Dioxide: 4.18 μg/m3
Sulphur Dioxide: 1.05 μg/m3
Ozone: 52.2 μg/m3

Astronomical

Sunrise: 5:37 AM
Sun Transit: 1:06 PM
Sunset: 8:37 PM
Daylight: 14 hrs 59 mins
Moonrise: 9:15 AM
Moon Transit: 5:20 PM
Moonset: 12:32 AM
Moon Phase: Waxing Crescent
Moon Illumination: 14.4%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
4:50 PM - 7:20 PM

Minor Periods

8:45 AM - 10:15 AM
12:02 AM - 1:32 AM

Action Rating: 2 out of 5

Thursday, May 21, 2026

Weather Forecast

Sunny
75°F
39.3°F
57.4°F
64%
0 in
0%
0%
7.4 mph
0


Air Quality

AQI: 1 - Good
PM2.5: 5.31 μg/m3
PM10: 6.65 μg/m3
Carbon Monoxide: 133.06 μg/m3
Nitrogen Dioxide: 3.94 μg/m3
Sulphur Dioxide: 1.1 μg/m3
Ozone: 64.24 μg/m3

Astronomical

Sunrise: 5:36 AM
Sun Transit: 1:06 PM
Sunset: 8:38 PM
Daylight: 15 hrs 1 mins
Moonrise: 10:36 AM
Moon Transit: 6:15 PM
Moonset: 1:11 AM
Moon Phase: Waxing Crescent
Moon Illumination: 23.2%

Best Times for Fishing or Hunting

Major Periods

12:48 AM - 3:18 AM
5:45 PM - 8:15 PM

Minor Periods

10:06 AM - 11:36 AM
12:41 AM - 2:11 AM

Action Rating: 3 out of 5

Friday, May 22, 2026

Weather Forecast

Sunny
74.3°F
43.2°F
58.6°F
70%
0 in
0%
0%
7.2 mph
4


Air Quality

AQI: 1 - Good
PM2.5: 3.73 μg/m3
PM10: 4.32 μg/m3
Carbon Monoxide: 145.47 μg/m3
Nitrogen Dioxide: 3.8 μg/m3
Sulphur Dioxide: 1.08 μg/m3
Ozone: 75.88 μg/m3

Astronomical

Sunrise: 5:35 AM
Sun Transit: 1:06 PM
Sunset: 8:39 PM
Daylight: 15 hrs 3 mins
Moonrise: 11:53 AM
Moon Transit: 7:06 PM
Moonset: 1:40 AM
Moon Phase: Waxing Crescent
Moon Illumination: 33.4%

Best Times for Fishing or Hunting

Major Periods

1:42 AM - 4:12 AM
6:36 PM - 9:06 PM

Minor Periods

11:23 AM - 12:53 AM
1:10 AM - 2:40 AM

Action Rating: 3 out of 5

Saturday, May 23, 2026

Weather Forecast

Sunny
73.8°F
41.5°F
53.6°F
75%
0 in
0%
0%
6.9 mph
4


Air Quality

AQI: 1 - Good
PM2.5: 8.11 μg/m3
PM10: 9.29 μg/m3
Carbon Monoxide: 159.23 μg/m3
Nitrogen Dioxide: 4.76 μg/m3
Sulphur Dioxide: 1.34 μg/m3
Ozone: 86.46 μg/m3

Astronomical

Sunrise: 5:35 AM
Sun Transit: 1:06 PM
Sunset: 8:40 PM
Daylight: 15 hrs 5 mins
Moonrise: 1:06 PM
Moon Transit: 7:51 PM
Moonset: 2:04 AM
Moon Phase: First Quarter
Moon Illumination: 44.4%

Best Times for Fishing or Hunting

Major Periods

2:31 AM - 5:01 AM
7:21 PM - 9:51 PM

Minor Periods

12:36 AM - 2:06 PM
1:34 AM - 3:04 AM

Action Rating: 2 out of 5

Sunday, May 24, 2026

Weather Forecast

Sunny
74.8°F
39.5°F
57.1°F
55%
0 in
0%
0%
6 mph
4


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 5:34 AM
Sun Transit: 1:06 PM
Sunset: 8:41 PM
Daylight: 15 hrs 7 mins
Moonrise: 2:16 PM
Moon Transit: 8:35 PM
Moonset: 2:24 AM
Moon Phase: First Quarter
Moon Illumination: 55.7%

Best Times for Fishing or Hunting

Major Periods

3:15 AM - 5:45 AM
8:05 PM - 10:35 PM

Minor Periods

1:46 PM - 3:16 PM
1:54 AM - 3:24 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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