Water Temperature of the Santiam River in Jefferson, OR

Current Water Temperature

54.3°F 12.4°C
Cold Thermal Gear Required
54.3°F
Frigid < 50°F
Cold 50°–60°
Cool 60°–70°
Comfortable 70°–80°
Warm 80°+

Cold shock risk with rapid dexterity loss (10–15 mins). Wetsuit or drysuit strongly advised for any immersion.

Measurement Time: Thursday, November 5, 2026, 6:30 PM 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

47.3°F
Overcast
Conditions: Overcast
Humidity: 76%
Feels Like: 45.9°F
Wind: S 3.8 mph
Wind Gusts: 4.9 mph
Pressure: 30.17 in
Precipitation: 0 in
Cloud Cover: 100%
Visibility: 6 mi
UV Index: 0

Weather Forecast

Overcast
Fri
H: 65°F
L: 45°F
Overcast
Sat
H: 64°F
L: 47°F
Patchy rain nearby
Sun
H: 58°F
L: 43°F

Air Quality

EPA Index 1 • Good

Air quality is satisfactory, and air pollution poses little or no risk.

PM2.5
12.1 μg/m³
Moderate
PM10
13.3 μg/m³
Good
Ozone (O3)
24 μg/m³
Photochemical
NO2
15.6 μg/m³
Nitrogen Dioxide
SO2
0.8 μg/m³
Sulfur Dioxide
CO
343 μg/m³
Carbon Monoxide

Astronomical

Sun
9h 57m daylight
Sunrise 6:57 AM
Solar Noon 11:55 AM
Sunset 4:54 PM
Moon
Waning Crescent • 5%
Moonrise 4:19 AM
Transit 9:56 AM
Moonset 3:23 PM

Best Times for Fishing or Hunting

Major Periods

9:26 AM - 11:56 AM
9:48 PM - 12:18 AM

Minor Periods

3:49 AM - 5:19 AM
2:53 PM - 4:23 PM
Action Rating:
Fair Action 2/5
Friday, November 6, 2026

Weather Forecast

Conditions: Overcast
Average Temperature: 54.6°F
Average Humidity: 66%
Chance of Rain: 49%
Wind: 10.3 mph
UV Index: 1.8

Astronomical

Sun
9h 57m daylight
Sunrise 6:57 AM
Solar Noon 11:55 AM
Sunset 4:54 PM
Moon
Waning Crescent • 5%
Moonrise 4:19 AM
Transit 9:56 AM
Moonset 3:23 PM

Best Times for Fishing or Hunting

Major Periods

9:26 AM - 11:56 AM
9:48 PM - 12:18 AM

Minor Periods

3:49 AM - 5:19 AM
2:53 PM - 4:23 PM
Action Rating:
Fair Action 2/5
Saturday, November 7, 2026

Weather Forecast

Conditions: Overcast
Average Temperature: 55°F
Average Humidity: 64%
Chance of Rain: 72%
Wind: 13.2 mph
UV Index: 2.2

Astronomical

Sun
9h 54m daylight
Sunrise 6:59 AM
Solar Noon 11:55 AM
Sunset 4:53 PM
Moon
Waning Crescent • 1%
Moonrise 5:28 AM
Transit 10:41 AM
Moonset 3:44 PM

Best Times for Fishing or Hunting

Major Periods

10:11 AM - 12:41 PM
10:34 PM - 1:04 AM

Minor Periods

4:58 AM - 6:28 AM
3:14 PM - 4:44 PM
Action Rating:
Good Action 3/5
Sunday, November 8, 2026

Weather Forecast

Conditions: Patchy rain nearby
Average Temperature: 51.7°F
Average Humidity: 82%
Chance of Rain: 74%
Wind: 10.5 mph
UV Index: 1.6

Astronomical

Sun
9h 52m daylight
Sunrise 7:00 AM
Solar Noon 11:55 AM
Sunset 4:52 PM
Moon
New • 0%
Moonrise 6:38 AM
Transit 11:27 AM
Moonset 4:09 PM

Best Times for Fishing or Hunting

Major Periods

10:57 AM - 1:27 PM
11:21 PM - 1:51 AM

Minor Periods

6:08 AM - 7:38 AM
3:39 PM - 5:09 PM
Action Rating:
Very Good 4/5
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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