Water Temperature of the South Santiam River in Cascadia, OR

Current Water Temperature

50.4°F

Measurement Time: Saturday, November 1, 2025, 5:20 PM PDT

Temperature Locations

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Local Points of Interest

Cascadia State Park; Foster, OR

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South Santiam River

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

Elevation Above Sea Level: 860 feet / 262 meters

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

46°F
Partly Cloudy
Conditions: Partly Cloudy
Humidity: 96%
Feels Like: 46.1°F
Wind: W 2.2 mph
Wind Gusts: 6.7 mph
Pressure: 30.26 in
Precipitation: 0 in
Cloud Cover: 0%
Visibility: 9 mi
UV Index: 0

Five Day Weather Forecast

Patchy rain nearby
Sun
H: 59°F
L: 37°F
Moderate rain
Mon
H: 53°F
L: 44°F
Heavy rain
Tue
H: 61°F
L: 44°F
Moderate rain
Wed
H: 52°F
L: 44°F
Moderate rain
Thu
H: 49°F
L: 34°F

Air Quality

PM2.5: 7.55 μg/m3
PM10: 9.35 μg/m3
Carbon Monoxide: 203.85 μg/m3
Nitrogen Dioxide: 4.35 μg/m3
Sulphur Dioxide: 1.25 μg/m3
Ozone: 64 μg/m3

Astronomical

Sunrise: 7:49 AM
Sun Transit: 12:53 AM
Sunset: 5:57 PM
Daylight: 10 hrs 8 mins
Moonrise: 4:23 PM
Moon Transit: 9:31 AM
Moonset: 4:09 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 90.9%

Best Times for Fishing or Hunting

Major Periods

5:24 AM - 7:54 AM
9:01 AM - 11:31 AM

Minor Periods

3:53 PM - 5:23 PM
3:39 AM - 5:09 AM

Action Rating: 3 out of 5

Beach Hazards Statement issued November 1 at 5:25PM PDT until November 3 at 1:00PM PST by NWS Portland OR

Effective: Sat November 1, 2025, 5:25 PM
Expires: Sun November 2, 2025, 4:00 PM

* WHAT...Sneaker waves possible. * WHERE...North and Central Coast of Oregon, and South Washington Coast. * WHEN...Through Monday afternoon. * IMPACTS...Waves can run up significantly farther on a beach than normal, including over rocks and jetties. Sneaker waves can suddenly knock people off of their feet and quickly pull them into the frigid ocean which may lead to serious injury or drowning. * ADDITIONAL DETAILS...A Beach Hazards Statement is issued when sneaker waves create potentially life-threatening conditions in the surf zone. Caution should be used when in or near the water. Always keep an eye on the waves, and be especially watchful of children. Those participating in razor clam digs should exercise caution.

Remain out of the water to avoid hazardous swimming conditions.
Sunday, November 2, 2025

Weather Forecast

Conditions: Patchy rain nearby
Average Temperature: 49.9°F
Average Humidity: 74%
Chance of Rain: 83%
Wind: 5.1 mph
UV Index: 0.5

Air Quality

AQI: 1 - Good
PM2.5: 4.89 μg/m3
PM10: 5.92 μg/m3
Carbon Monoxide: 183.29 μg/m3
Nitrogen Dioxide: 2.92 μg/m3
Sulphur Dioxide: 1.31 μg/m3
Ozone: 72.52 μg/m3

Astronomical

Sunrise: 7:49 AM
Sun Transit: 12:53 AM
Sunset: 5:57 PM
Daylight: 10 hrs 8 mins
Moonrise: 4:23 PM
Moon Transit: 9:31 AM
Moonset: 4:09 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 90.9%

Best Times for Fishing or Hunting

Major Periods

5:24 AM - 7:54 AM
9:01 AM - 11:31 AM

Minor Periods

3:53 PM - 5:23 PM
3:39 AM - 5:09 AM

Action Rating: 3 out of 5

Monday, November 3, 2025

Weather Forecast

Conditions: Moderate rain
Average Temperature: 49.9°F
Average Humidity: 64%
Chance of Rain: 85%
Wind: 5.4 mph
UV Index: 0.4

Air Quality

AQI: 1 - Good
PM2.5: 5.9 μg/m3
PM10: 6.43 μg/m3
Carbon Monoxide: 203.73 μg/m3
Nitrogen Dioxide: 3.7 μg/m3
Sulphur Dioxide: 1.44 μg/m3
Ozone: 69.28 μg/m3

Astronomical

Sunrise: 7:50 AM
Sun Transit: 12:53 AM
Sunset: 5:56 PM
Daylight: 10 hrs 6 mins
Moonrise: 4:45 PM
Moon Transit: 11:38 PM
Moonset: 5:28 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 96.3%

Best Times for Fishing or Hunting

Major Periods

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

Minor Periods

4:15 PM - 5:45 PM
4:58 AM - 6:28 AM

Action Rating: 3 out of 5

Tuesday, November 4, 2025

Weather Forecast

Conditions: Heavy rain
Average Temperature: 51.7°F
Average Humidity: 85%
Chance of Rain: 85%
Wind: 7.4 mph
UV Index: 0.1

Air Quality

AQI: 1 - Good
PM2.5: 4.63 μg/m3
PM10: 4.96 μg/m3
Carbon Monoxide: 176.69 μg/m3
Nitrogen Dioxide: 4.07 μg/m3
Sulphur Dioxide: 1.17 μg/m3
Ozone: 67.68 μg/m3

Astronomical

Sunrise: 7:52 AM
Sun Transit: 12:53 AM
Sunset: 5:55 PM
Daylight: 10 hrs 3 mins
Moonrise: 5:10 PM
Moon Transit: 12:00 AM
Moonset: 6:51 AM
Moon Phase: Full
Moon Illumination: 99.4%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
7:06 AM - 9:36 AM

Minor Periods

4:40 PM - 6:10 PM
6:21 AM - 7:51 AM

Action Rating: 5 out of 5

Wednesday, November 5, 2025

Weather Forecast

Conditions: Moderate rain
Average Temperature: 48.7°F
Average Humidity: 94%
Chance of Rain: 84%
Wind: 13 mph
UV Index: 0

Air Quality

AQI: 1 - Good
PM2.5: 5.99 μg/m3
PM10: 6.08 μg/m3
Carbon Monoxide: 193.56 μg/m3
Nitrogen Dioxide: 4.93 μg/m3
Sulphur Dioxide: 1.26 μg/m3
Ozone: 64.21 μg/m3

Astronomical

Sunrise: 7:53 AM
Sun Transit: 12:53 AM
Sunset: 5:53 PM
Daylight: 10 hrs mins
Moonrise: 5:41 PM
Moon Transit: 12:34 AM
Moonset: 8:17 AM
Moon Phase: Full
Moon Illumination: 99.9%

Best Times for Fishing or Hunting

Major Periods

12:04 AM - 2:34 AM
8:03 AM - 10:33 AM

Minor Periods

5:11 PM - 6:41 PM
7:47 AM - 9:17 AM

Action Rating: 5 out of 5

Thursday, November 6, 2025

Weather Forecast

Conditions: Moderate rain
Average Temperature: 43.6°F
Average Humidity: 95%
Chance of Rain: 88%
Wind: 7.8 mph
UV Index: 2

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: 7:55 AM
Sun Transit: 12:53 AM
Sunset: 5:52 PM
Daylight: 9 hrs 58 mins
Moonrise: 6:23 PM
Moon Transit: 1:35 AM
Moonset: 9:44 AM
Moon Phase: Full
Moon Illumination: 97.9%

Best Times for Fishing or Hunting

Major Periods

1:05 AM - 3:35 AM
9:05 AM - 11:35 AM

Minor Periods

5:53 PM - 7:23 PM
9:14 AM - 10:44 AM

Action Rating: 4 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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