Water Temperature of the South Santiam River in Cascadia, OR

Current Water Temperature

69.1°F

Measurement Time: Wednesday, August 5, 2026, 7:50 AM 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

90.5°F
Smoky haze
Smoky haze
87.3°F
87.9°F
25%
W 6 mph
7 mph
90.5°F
50.1°F
0 in
0%
6 mi
1011 mbar
6.6

Five Day Weather Forecast

Sunny
Wed
H: 91°F
L: 64°F
Sunny
Thu
H: 93°F
L: 54°F
Sunny
Fri
H: 90°F
L: 53°F
Sunny
Sat
H: 87°F
L: 52°F
Sunny
Sun
H: 86°F
L: 49°F

Air Quality

AQI: 1 - Good
PM2.5: 37.6 μg/m3
PM10: 38.4 μg/m3
Carbon Monoxide: 264 μg/m3
Nitrogen Dioxide: 0.9 μg/m3
Sulphur Dioxide: 1.6 μg/m3
Ozone: 161 μg/m3

Astronomical

Sunrise: 6:02 AM
Sun Transit: 1:16 PM
Sunset: 8:30 PM
Daylight: 14 hrs 28 mins
Moonrise: 12:00 AM
Moon Transit: 6:22 AM
Moonset: 1:59 PM
Moon Phase: Last Quarter
Moon Illumination: 43.2%

Best Times for Fishing or Hunting

Major Periods

5:52 AM - 8:22 AM
1:48 PM - 4:18 PM

Minor Periods

1:29 PM - 2:59 PM
12:00 AM - 12:00 AM

Action Rating: 3 out of 5

Wednesday, August 5, 2026

Weather Forecast

Sunny
91.4°F
64.4°F
78.1°F
28%
0 in
0%
0%
6 mph
6.9


Air Quality

AQI: 2 - Moderate
PM2.5: 34.15 μg/m3
PM10: 34.89 μg/m3
Carbon Monoxide: 244.21 μg/m3
Nitrogen Dioxide: 6.2 μg/m3
Sulphur Dioxide: 1.09 μg/m3
Ozone: 106.83 μg/m3

Astronomical

Sunrise: 6:02 AM
Sun Transit: 1:16 PM
Sunset: 8:30 PM
Daylight: 14 hrs 28 mins
Moonrise: 12:00 AM
Moon Transit: 6:22 AM
Moonset: 1:59 PM
Moon Phase: Last Quarter
Moon Illumination: 43.2%

Best Times for Fishing or Hunting

Major Periods

5:52 AM - 8:22 AM
1:48 PM - 4:18 PM

Minor Periods

1:29 PM - 2:59 PM
12:00 AM - 12:00 AM

Action Rating: 3 out of 5

Thursday, August 6, 2026

Weather Forecast

Sunny
93°F
54.3°F
74.3°F
36%
0 in
1%
0%
6.3 mph
7.4


Air Quality

AQI: 2 - Moderate
PM2.5: 27.6 μg/m3
PM10: 28.45 μg/m3
Carbon Monoxide: 219.33 μg/m3
Nitrogen Dioxide: 4.72 μg/m3
Sulphur Dioxide: 1.25 μg/m3
Ozone: 121.54 μg/m3

Astronomical

Sunrise: 6:03 AM
Sun Transit: 1:15 PM
Sunset: 8:28 PM
Daylight: 14 hrs 25 mins
Moonrise: 12:29 AM
Moon Transit: 7:16 AM
Moonset: 3:18 PM
Moon Phase: Last Quarter
Moon Illumination: 32.3%

Best Times for Fishing or Hunting

Major Periods

6:46 AM - 9:16 AM
2:44 PM - 5:14 PM

Minor Periods

2:48 PM - 4:18 PM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Friday, August 7, 2026

Weather Forecast

Sunny
90°F
52.8°F
70.3°F
41%
0 in
1%
0%
6.5 mph
8.6


Air Quality

AQI: 2 - Moderate
PM2.5: 16.03 μg/m3
PM10: 17.65 μg/m3
Carbon Monoxide: 175.42 μg/m3
Nitrogen Dioxide: 5.34 μg/m3
Sulphur Dioxide: 0.9 μg/m3
Ozone: 95.17 μg/m3

Astronomical

Sunrise: 6:04 AM
Sun Transit: 1:15 PM
Sunset: 8:27 PM
Daylight: 14 hrs 23 mins
Moonrise: 12:06 AM
Moon Transit: 8:15 AM
Moonset: 4:36 PM
Moon Phase: Last Quarter
Moon Illumination: 22.2%

Best Times for Fishing or Hunting

Major Periods

7:45 AM - 10:15 AM
3:45 PM - 6:15 PM

Minor Periods

4:06 PM - 5:36 PM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Saturday, August 8, 2026

Weather Forecast

Sunny
86.9°F
51.9°F
68.4°F
40%
0 in
1%
0%
8.9 mph
8.5


Air Quality

AQI: 1 - Good
PM2.5: 7.47 μg/m3
PM10: 8.78 μg/m3
Carbon Monoxide: 114.41 μg/m3
Nitrogen Dioxide: 4.75 μg/m3
Sulphur Dioxide: 0.66 μg/m3
Ozone: 77.42 μg/m3

Astronomical

Sunrise: 6:05 AM
Sun Transit: 1:15 PM
Sunset: 8:26 PM
Daylight: 14 hrs 20 mins
Moonrise: 12:54 AM
Moon Transit: 9:18 AM
Moonset: 5:45 PM
Moon Phase: Waning Crescent
Moon Illumination: 13.6%

Best Times for Fishing or Hunting

Major Periods

8:48 AM - 11:18 AM
4:49 PM - 7:19 PM

Minor Periods

5:15 PM - 6:45 PM
12:24 AM - 1:54 AM

Action Rating: 2 out of 5

Sunday, August 9, 2026

Weather Forecast

Sunny
86.3°F
48.7°F
66.3°F
49%
0 in
1%
0%
8.7 mph
8.1


Air Quality

AQI: 1 - Good
PM2.5: 7.62 μg/m3
PM10: 8.92 μg/m3
Carbon Monoxide: 105.5 μg/m3
Nitrogen Dioxide: 9.65 μg/m3
Sulphur Dioxide: 0.58 μg/m3
Ozone: 51.17 μg/m3

Astronomical

Sunrise: 6:06 AM
Sun Transit: 1:15 PM
Sunset: 8:24 PM
Daylight: 14 hrs 18 mins
Moonrise: 1:57 AM
Moon Transit: 10:23 AM
Moonset: 6:44 PM
Moon Phase: Waning Crescent
Moon Illumination: 6.8%

Best Times for Fishing or Hunting

Major Periods

5:54 PM - 8:24 PM
9:53 AM - 12:23 AM

Minor Periods

6:14 PM - 7:44 PM
1:27 AM - 2:57 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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