Water Temperature of the Santiam River in Jefferson, OR

Current Water Temperature

54.1°F 12.3°C
Cold Thermal Gear Required
54.1°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: Saturday, November 14, 2026, 10:30 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

52°F
Overcast
Conditions: Overcast
Humidity: 88%
Feels Like: 46.8°F
Wind: SSW 11.4 mph
Wind Gusts: 20.8 mph
Pressure: 29.83 in
Precipitation: 0 in
Cloud Cover: 100%
Visibility: 9.2 mi
UV Index: 0

Five-Day Weather Forecast

Slight Rain
Sun
H: 54°F
L: 44°F
Overcast
Mon
H: 51°F
L: 40°F
Overcast
Tue
H: 53°F
L: 38°F
Overcast
Wed
H: 51°F
L: 37°F
Overcast
Thu
H: 51°F
L: 34°F

Air Quality

EPA Index 1 • Good

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

PM2.5
3.5 μg/m³
Good
PM10
5.2 μg/m³
Good
Ozone (O3)
67 μg/m³
Photochemical
NO2
1.6 μg/m³
Nitrogen Dioxide
SO2
0.2 μg/m³
Sulfur Dioxide
CO
132 μg/m³
Carbon Monoxide

Astronomical

Sun
9h 35m daylight
Sunrise 7:09 AM
Solar Noon 11:56 AM
Sunset 4:44 PM
Moon
Waxing Crescent • 31%
Moonrise 12:34 PM
Transit 5:14 PM
Moonset 10:03 PM

Best Times for Fishing or Hunting

Major Periods

4:21 AM - 6:51 AM
4:44 PM - 7:14 PM

Minor Periods

12:04 PM - 1:34 PM
9:33 PM - 11:03 PM
Action Rating:
Very Good 4/5
Sunday, November 15, 2026

Weather Forecast

Conditions: Slight Rain
Average Temperature: 50.2°F
Average Humidity: 86%
Chance of Rain: 70%
Wind: 15.2 mph
UV Index: 2.1

Air Quality

EPA Index 1 • Good
PM2.5
5.6 μg/m³
Good
PM10
7.7 μg/m³
Good
Ozone (O3)
65.7 μg/m³
Photochemical
NO2
2.3 μg/m³
Nitrogen Dioxide
SO2
0.4 μg/m³
Sulfur Dioxide
CO
142.5 μg/m³
Carbon Monoxide

Astronomical

Sun
9h 35m daylight
Sunrise 7:09 AM
Solar Noon 11:56 AM
Sunset 4:44 PM
Moon
Waxing Crescent • 31%
Moonrise 12:34 PM
Transit 5:14 PM
Moonset 10:03 PM

Best Times for Fishing or Hunting

Major Periods

4:21 AM - 6:51 AM
4:44 PM - 7:14 PM

Minor Periods

12:04 PM - 1:34 PM
9:33 PM - 11:03 PM
Action Rating:
Very Good 4/5
Monday, November 16, 2026

Weather Forecast

Conditions: Overcast
Average Temperature: 45°F
Average Humidity: 87%
Chance of Rain: 35%
Wind: 10.5 mph
UV Index: 2.6

Air Quality

EPA Index 1 • Good
PM2.5
8.7 μg/m³
Good
PM10
10.5 μg/m³
Good
Ozone (O3)
49.1 μg/m³
Photochemical
NO2
6 μg/m³
Nitrogen Dioxide
SO2
0.5 μg/m³
Sulfur Dioxide
CO
187.8 μg/m³
Carbon Monoxide

Astronomical

Sun
9h 32m daylight
Sunrise 7:11 AM
Solar Noon 11:57 AM
Sunset 4:43 PM
Moon
First Quarter • 42%
Moonrise 12:57 PM
Transit 5:58 PM
Moonset 11:09 PM

Best Times for Fishing or Hunting

Major Periods

5:06 AM - 7:36 AM
5:28 PM - 7:58 PM

Minor Periods

12:27 PM - 1:57 PM
10:39 PM - 12:09 AM
Action Rating:
Good Action 3/5
Tuesday, November 17, 2026

Weather Forecast

Conditions: Overcast
Average Temperature: 43.3°F
Average Humidity: 82%
Chance of Rain: 60%
Wind: 5.6 mph
UV Index: 2.6

Air Quality

EPA Index 2 • Moderate
PM2.5
14.6 μg/m³
Moderate
PM10
15.9 μg/m³
Good
Ozone (O3)
36.2 μg/m³
Photochemical
NO2
10.7 μg/m³
Nitrogen Dioxide
SO2
0.8 μg/m³
Sulfur Dioxide
CO
235.3 μg/m³
Carbon Monoxide

Astronomical

Sun
9h 30m daylight
Sunrise 7:12 AM
Solar Noon 11:57 AM
Sunset 4:42 PM
Moon
First Quarter • 54%
Moonrise 1:17 PM
Transit 6:41 PM
Moonset 1:43 AM

Best Times for Fishing or Hunting

Major Periods

5:49 AM - 8:19 AM
6:11 PM - 8:41 PM

Minor Periods

1:13 AM - 2:43 AM
12:47 PM - 2:17 PM
Action Rating:
Fair Action 2/5
Wednesday, November 18, 2026

Weather Forecast

Conditions: Overcast
Average Temperature: 43.5°F
Average Humidity: 79%
Chance of Rain: 60%
Wind: 8.3 mph
UV Index: 2

Air Quality

EPA Index 2 • Moderate
PM2.5
18.4 μg/m³
Moderate
PM10
19.3 μg/m³
Good
Ozone (O3)
29 μg/m³
Photochemical
NO2
13.8 μg/m³
Nitrogen Dioxide
SO2
0.8 μg/m³
Sulfur Dioxide
CO
218.5 μg/m³
Carbon Monoxide

Astronomical

Sun
9h 28m daylight
Sunrise 7:13 AM
Solar Noon 11:57 AM
Sunset 4:41 PM
Moon
First Quarter • 65%
Moonrise 1:36 PM
Transit 7:23 PM
Moonset 12:16 AM

Best Times for Fishing or Hunting

Major Periods

6:32 AM - 9:02 AM
6:53 PM - 9:23 PM

Minor Periods

1:06 PM - 2:36 PM
11:46 PM - 1:16 AM
Action Rating:
Fair Action 2/5
Thursday, November 19, 2026

Weather Forecast

Conditions: Overcast
Average Temperature: 40.5°F
Average Humidity: 86%
Chance of Rain: 3%
Wind: 8.8 mph
UV Index: 2.4

Air Quality

EPA Index 2 • Moderate
PM2.5
21.3 μg/m³
Moderate
PM10
22.4 μg/m³
Good
Ozone (O3)
20.5 μg/m³
Photochemical
NO2
19.2 μg/m³
Nitrogen Dioxide
SO2
1 μg/m³
Sulfur Dioxide
CO
242.7 μg/m³
Carbon Monoxide

Astronomical

Sun
9h 26m daylight
Sunrise 7:15 AM
Solar Noon 11:57 AM
Sunset 4:40 PM
Moon
Waxing Gibbous • 75%
Moonrise 1:55 PM
Transit 8:10 PM
Moonset 1:23 AM

Best Times for Fishing or Hunting

Major Periods

7:15 AM - 9:45 AM
7:40 PM - 10:10 PM

Minor Periods

12:53 AM - 2:23 AM
1:25 PM - 2:55 PM
Action Rating:
Good Action 3/5
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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