Water Temperature of the Middle Santiam River in Cascadia, OR

Current Water Temperature

43.7°F

Measurement Time: Tuesday, December 2, 2025, 7:20 AM PST

Temperature Locations

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Local Points of Interest

Elk Creek; Green Peter Lake

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Middle Santiam River

Station Name: MIDDLE SANTIAM R NEAR CASCADIA, OR
Data Source: Water Data - usgc.gov

Elevation Above Sea Level: 1,096 feet / 334 meters

Nearest Address:
Cascadia, OR 97350
Linn County

GPS Coordinates: 44.5151239, -122.3720249

Nearby Water Temperatures

Quartzville Creek, Cascadia, OR (3.6 mi)
Middle Santiam River, Foster, OR (9.9 mi)
South Santiam River, Cascadia, OR (10.5 mi)
Blowout Creek, Detroit, OR (15.2 mi)
Detroit Lake, Detroit, OR (15.3 mi)
North Santiam River, Niagara, OR (16.9 mi)
South Santiam River, Sweet Home, OR (17.2 mi)
North Santiam River, Idanha, OR (18.8 mi)
Breitenbush River, Detroit, OR (20.3 mi)
Smith River, Belknap Springs, OR (20.3 mi)
Blue River, Blue River, OR (21.2 mi)
McKenzie River, Clear Lake, OR (21.4 mi)
Little North Santiam River, Lyons, OR (21.6 mi)
Lookout Creek, Blue River, OR (21.9 mi)
South Santiam River, Waterloo, OR (22.3 mi)

Weather for Cascadia, Oregon

Current Weather

45.2°F
Overcast
Conditions: Overcast
Humidity: 81%
Feels Like: 43.4°F
Wind: WNW 2.9 mph
Wind Gusts: 3.4 mph
Pressure: 30.24 in
Precipitation: 0 in
Cloud Cover: 96%
Visibility: 6 mi
UV Index: 0.2

Five Day Weather Forecast

Patchy rain nearby
Tue
H: 48°F
L: 28°F
Overcast
Wed
H: 47°F
L: 39°F
Patchy rain nearby
Thu
H: 50°F
L: 37°F
Heavy rain
Fri
H: 51°F
L: 42°F
Moderate rain
Sat
H: 45°F
L: 35°F

Air Quality

AQI: 1 - Good
PM2.5: 6.95 μg/m3
PM10: 8.15 μg/m3
Carbon Monoxide: 157.85 μg/m3
Nitrogen Dioxide: 10.75 μg/m3
Sulphur Dioxide: 1.35 μg/m3
Ozone: 45 μg/m3

Astronomical

Sunrise: 7:27 AM
Sun Transit: 12:00 AM
Sunset: 4:31 PM
Daylight: 9 hrs 4 mins
Moonrise: 2:34 PM
Moon Transit: 10:12 PM
Moonset: 4:42 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 93.7%

Best Times for Fishing or Hunting

Major Periods

4:44 AM - 7:14 AM
12:00 AM - 12:00 AM

Minor Periods

2:04 PM - 3:34 PM
4:12 AM - 5:42 AM

Action Rating: 3 out of 5

Beach Hazards Statement issued December 1 at 2:28PM PST until December 3 at 10:00PM PST by NWS Portland OR

Effective: Mon December 1, 2025, 2:28 PM
Expires: Tue December 2, 2025, 3:00 PM

* WHAT...Sneaker waves possible. * WHERE...North and Central Coast of Oregon, and South Washington Coast. * WHEN...From Tuesday morning through Wednesday evening. * IMPACTS...Waves can run up significantly farther on a beach than normal, including over rocks and jetties. Sneaker waves can suddenly knock beachgoers off if 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 additionally exercise caution.

Remain out of the water to avoid hazardous swimming conditions.
Tuesday, December 2, 2025

Weather Forecast

Conditions: Patchy rain nearby
Average Temperature: 41°F
Average Humidity: 73%
Chance of Rain: 83%
Wind: 3.8 mph
UV Index: 0.1

Air Quality

AQI: 1 - Good
PM2.5: 6.65 μg/m3
PM10: 7.51 μg/m3
Carbon Monoxide: 172.45 μg/m3
Nitrogen Dioxide: 8.14 μg/m3
Sulphur Dioxide: 1.65 μg/m3
Ozone: 56.64 μg/m3

Astronomical

Sunrise: 7:27 AM
Sun Transit: 12:00 AM
Sunset: 4:31 PM
Daylight: 9 hrs 4 mins
Moonrise: 2:34 PM
Moon Transit: 10:12 PM
Moonset: 4:42 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 93.7%

Best Times for Fishing or Hunting

Major Periods

4:44 AM - 7:14 AM
12:00 AM - 12:00 AM

Minor Periods

2:04 PM - 3:34 PM
4:12 AM - 5:42 AM

Action Rating: 3 out of 5

Wednesday, December 3, 2025

Weather Forecast

Conditions: Overcast
Average Temperature: 42.2°F
Average Humidity: 74%
Chance of Rain: 0%
Wind: 4.7 mph
UV Index: 0.1

Air Quality

AQI: 1 - Good
PM2.5: 3.56 μg/m3
PM10: 4.18 μg/m3
Carbon Monoxide: 160.21 μg/m3
Nitrogen Dioxide: 6.29 μg/m3
Sulphur Dioxide: 1.31 μg/m3
Ozone: 52.48 μg/m3

Astronomical

Sunrise: 7:28 AM
Sun Transit: 12:00 AM
Sunset: 4:31 PM
Daylight: 9 hrs 2 mins
Moonrise: 3:10 PM
Moon Transit: 11:14 PM
Moonset: 6:08 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 98.1%

Best Times for Fishing or Hunting

Major Periods

5:42 AM - 8:12 AM
12:00 AM - 12:00 AM

Minor Periods

2:40 PM - 4:10 PM
5:38 AM - 7:08 AM

Action Rating: 4 out of 5

Thursday, December 4, 2025

Weather Forecast

Conditions: Patchy rain nearby
Average Temperature: 43°F
Average Humidity: 75%
Chance of Rain: 75%
Wind: 3.6 mph
UV Index: 0

Air Quality

AQI: 1 - Good
PM2.5: 4.3 μg/m3
PM10: 4.72 μg/m3
Carbon Monoxide: 189.41 μg/m3
Nitrogen Dioxide: 8.39 μg/m3
Sulphur Dioxide: 1.96 μg/m3
Ozone: 44.56 μg/m3

Astronomical

Sunrise: 7:29 AM
Sun Transit: 12:00 AM
Sunset: 4:30 PM
Daylight: 9 hrs 1 mins
Moonrise: 3:57 PM
Moon Transit: 12:00 AM
Moonset: 7:33 AM
Moon Phase: Full
Moon Illumination: 99.9%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
6:46 AM - 9:16 AM

Minor Periods

3:27 PM - 4:57 PM
7:03 AM - 8:33 AM

Action Rating: 5 out of 5

Friday, December 5, 2025

Weather Forecast

Conditions: Heavy rain
Average Temperature: 47.3°F
Average Humidity: 99%
Chance of Rain: 72%
Wind: 12.3 mph
UV Index: 0

Air Quality

AQI: 1 - Good
PM2.5: 5.19 μg/m3
PM10: 5.59 μg/m3
Carbon Monoxide: 167.87 μg/m3
Nitrogen Dioxide: 5.78 μg/m3
Sulphur Dioxide: 1.98 μg/m3
Ozone: 54.56 μg/m3

Astronomical

Sunrise: 7:30 AM
Sun Transit: 12:00 AM
Sunset: 4:30 PM
Daylight: 9 hrs mins
Moonrise: 5:00 PM
Moon Transit: 12:21 AM
Moonset: 8:51 AM
Moon Phase: Full
Moon Illumination: 99.2%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
7:54 AM - 10:24 AM

Minor Periods

4:30 PM - 6:00 PM
8:21 AM - 9:51 AM

Action Rating: 5 out of 5

Saturday, December 6, 2025

Weather Forecast

Conditions: Moderate rain
Average Temperature: 43.3°F
Average Humidity: 98%
Chance of Rain: 63%
Wind: 6.5 mph
UV Index: 0

Air Quality

AQI: 1 - Good
PM2.5: 2.62 μg/m3
PM10: 2.74 μg/m3
Carbon Monoxide: 137.16 μg/m3
Nitrogen Dioxide: 3.07 μg/m3
Sulphur Dioxide: 1.23 μg/m3
Ozone: 62.85 μg/m3

Astronomical

Sunrise: 7:31 AM
Sun Transit: 12:00 AM
Sunset: 4:30 PM
Daylight: 8 hrs 58 mins
Moonrise: 6:15 PM
Moon Transit: 1:28 AM
Moonset: 9:53 AM
Moon Phase: Full
Moon Illumination: 96.0%

Best Times for Fishing or Hunting

Major Periods

12:58 AM - 3:28 AM
9:01 AM - 11:31 AM

Minor Periods

5:45 PM - 7:15 PM
9:23 AM - 10:53 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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