Water Temperature of the Santiam River in Jefferson, OR

Current Water Temperature

44.8°F

Measurement Time: Tuesday, December 30, 2025, 4:30 AM PST

Temperature Locations

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Local Points of Interest

Santium River Rest Area

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Santiam River

Station Name: SANTIAM RIVER NEAR JEFFERSON, OR
Data Source: Water Data - usgc.gov

Elevation Above Sea Level: 203 feet

Nearest Address:
14500–14566 I-5 N
Jefferson, OR 97352
Marion County

GPS Coordinates: 44.7387325, -123.0498164

Nearby Water Temperatures

North Santiam River, Jefferson, OR (4.3 mi)
Willamette River , Albany, OR (7.5 mi)
North Santiam River, Mehama, OR (18.5 mi)
South Santiam River, Waterloo, OR (20 mi)
Little North Santiam River, Lyons, OR (23.4 mi)
South Santiam River, Sweet Home, OR (28.7 mi)
Middle Santiam River, Foster, OR (31.7 mi)
Long Tom River, Monroe, OR (31.8 mi)
Willamette River , Harrisburg, OR (32.9 mi)
Quartzville Creek, Cascadia, OR (33.2 mi)
South Santiam River, Cascadia, OR (36.2 mi)
Middle Santiam River, Cascadia, OR (36.7 mi)
North Santiam River, Niagara, OR (36.9 mi)
Willamette River, West Linn, OR (38 mi)
Detroit Lake, Detroit, OR (39.5 mi)

Weather for Jefferson, Oregon

Current Weather

44.1°F
Sunny
Sunny
62%
°F
°F
N 1.9 mph
mph
°F
1023.16 millibars
43.5°F
0%
0 in
0%
10 mi
1

Five Day Weather Forecast

Sunny
Tue
H: 50°F
L: 32°F
Mist
Wed
H: 41°F
L: 27°F
Heavy rain
Thu
H: 49°F
L: 38°F
Patchy rain nearby
Fri
H: 48°F
L: 41°F
Patchy rain nearby
Sat
H: 49°F
L: 43°F

Air Quality

AQI: 1 - Good
PM2.5: 12.25 μg/m3
PM10: 12.75 μg/m3
Carbon Monoxide: 485.85 μg/m3
Nitrogen Dioxide: 33.35 μg/m3
Sulphur Dioxide: 3.65 μg/m3
Ozone: 6 μg/m3

Astronomical

Sunrise: 7:49 AM
Sun Transit: 12:15 AM
Sunset: 4:41 PM
Daylight: 8 hrs 52 mins
Moonrise: 1:04 PM
Moon Transit: 8:57 PM
Moonset: 3:43 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 82.8%

Best Times for Fishing or Hunting

Major Periods

3:23 AM - 5:53 AM
8:27 PM - 10:57 PM

Minor Periods

12:34 AM - 2:04 PM
3:13 AM - 4:43 AM

Action Rating: 2 out of 5

Tuesday, December 30, 2025

Weather Forecast

Conditions: Sunny
Average Temperature: 37.8°F
Average Humidity: 84%
Chance of Rain: 0%
Wind: 4.9 mph
UV Index: 0.2

Air Quality

AQI: 1 - Good
PM2.5: 7.3 μg/m3
PM10: 7.55 μg/m3
Carbon Monoxide: 230.13 μg/m3
Nitrogen Dioxide: 17.81 μg/m3
Sulphur Dioxide: 2.61 μg/m3
Ozone: 24.12 μg/m3

Astronomical

Sunrise: 7:49 AM
Sun Transit: 12:15 AM
Sunset: 4:41 PM
Daylight: 8 hrs 52 mins
Moonrise: 1:04 PM
Moon Transit: 8:57 PM
Moonset: 3:43 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 82.8%

Best Times for Fishing or Hunting

Major Periods

3:23 AM - 5:53 AM
8:27 PM - 10:57 PM

Minor Periods

12:34 AM - 2:04 PM
3:13 AM - 4:43 AM

Action Rating: 2 out of 5

Wednesday, December 31, 2025

Weather Forecast

Conditions: Mist
Average Temperature: 34.6°F
Average Humidity: 92%
Chance of Rain: 0%
Wind: 3.8 mph
UV Index: 0.2

Air Quality

AQI: 1 - Good
PM2.5: 12.24 μg/m3
PM10: 12.7 μg/m3
Carbon Monoxide: 399.69 μg/m3
Nitrogen Dioxide: 25.83 μg/m3
Sulphur Dioxide: 3.3 μg/m3
Ozone: 12.12 μg/m3

Astronomical

Sunrise: 7:49 AM
Sun Transit: 12:15 AM
Sunset: 4:42 PM
Daylight: 8 hrs 52 mins
Moonrise: 1:44 PM
Moon Transit: 10:00 PM
Moonset: 5:07 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 90.5%

Best Times for Fishing or Hunting

Major Periods

4:22 AM - 6:52 AM
9:30 PM - 12:00 PM

Minor Periods

1:14 PM - 2:44 PM
4:37 AM - 6:07 AM

Action Rating: 2 out of 5

Thursday, January 1, 2026

Weather Forecast

Conditions: Heavy rain
Average Temperature: 41.5°F
Average Humidity: 96%
Chance of Rain: 89%
Wind: 3.6 mph
UV Index: 0

Air Quality

AQI: 1 - Good
PM2.5: 14.89 μg/m3
PM10: 15.79 μg/m3
Carbon Monoxide: 395.69 μg/m3
Nitrogen Dioxide: 26 μg/m3
Sulphur Dioxide: 3.07 μg/m3
Ozone: 7.92 μg/m3

Astronomical

Sunrise: 7:49 AM
Sun Transit: 12:15 AM
Sunset: 4:43 PM
Daylight: 8 hrs 53 mins
Moonrise: 2:38 PM
Moon Transit: 11:07 PM
Moonset: 6:28 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 96.0%

Best Times for Fishing or Hunting

Major Periods

5:27 AM - 7:57 AM
12:00 AM - 12:00 AM

Minor Periods

2:08 PM - 3:38 PM
5:58 AM - 7:28 AM

Action Rating: 4 out of 5

Friday, January 2, 2026

Weather Forecast

Conditions: Patchy rain nearby
Average Temperature: 43.9°F
Average Humidity: 96%
Chance of Rain: 89%
Wind: 6.5 mph
UV Index: 2

Air Quality

AQI: 1 - Good
PM2.5: 8.99 μg/m3
PM10: 9.34 μg/m3
Carbon Monoxide: 400.8 μg/m3
Nitrogen Dioxide: 14.35 μg/m3
Sulphur Dioxide: 1.97 μg/m3
Ozone: 21.76 μg/m3

Astronomical

Sunrise: 7:49 AM
Sun Transit: 12:16 AM
Sunset: 4:44 PM
Daylight: 8 hrs 54 mins
Moonrise: 3:46 PM
Moon Transit: 12:00 AM
Moonset: 7:37 AM
Moon Phase: Full
Moon Illumination: 99.2%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
6:34 AM - 9:04 AM

Minor Periods

3:16 PM - 4:46 PM
7:07 AM - 8:37 AM

Action Rating: 4 out of 5

Saturday, January 3, 2026

Weather Forecast

Conditions: Patchy rain nearby
Average Temperature: 45.6°F
Average Humidity: 90%
Chance of Rain: 85%
Wind: 11.9 mph
UV Index: 2

Air Quality

AQI: 1 - Good
PM2.5: 3.39 μg/m3
PM10: 3.47 μg/m3
Carbon Monoxide: 206.05 μg/m3
Nitrogen Dioxide: 7.98 μg/m3
Sulphur Dioxide: 1.53 μg/m3
Ozone: 49 μg/m3

Astronomical

Sunrise: 7:49 AM
Sun Transit: 12:16 AM
Sunset: 4:45 PM
Daylight: 8 hrs 55 mins
Moonrise: 5:05 PM
Moon Transit: 12:13 AM
Moonset: 8:32 AM
Moon Phase: Full
Moon Illumination: 99.9%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
7:39 AM - 10:09 AM

Minor Periods

4:35 PM - 6:05 PM
8:02 AM - 9:32 AM

Action Rating: 6 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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