Water Temperature of the Santiam River in Jefferson, OR

Current Water Temperature

55.0°F 12.8°C
Cold Thermal Gear Required
55.0°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: Tuesday, November 10, 2026, 7:30 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

54.3°F
Fog
Conditions: Fog
Humidity: 92%
Feels Like: 53.2°F
Wind: SE 3.9 mph
Wind Gusts: 6.7 mph
Pressure: 30.01 in
Precipitation: 0 in
Cloud Cover: 100%
Visibility: 0.1 mi
UV Index: 0

Weather Forecast

Fog
Wed
H: 66°F
L: 52°F
Fog
Thu
H: 61°F
L: 45°F
Moderate Rain Showers
Fri
H: 51°F
L: 46°F
Dense Drizzle
Sat
H: 56°F
L: 46°F
Slight Rain
Sun
H: 55°F
L: 48°F

Air Quality

EPA Index 1 • Good

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

PM2.5
5.5 μg/m³
Good
PM10
5.8 μg/m³
Good
Ozone (O3)
30 μg/m³
Photochemical
NO2
10.1 μg/m³
Nitrogen Dioxide
SO2
0.4 μg/m³
Sulfur Dioxide
CO
190 μg/m³
Carbon Monoxide

Astronomical

Sun
9h 44m daylight
Sunrise 7:04 AM
Solar Noon 11:56 AM
Sunset 4:48 PM
Moon
New • 2%
Moonrise 9:54 AM
Transit 1:57 PM
Moonset 6:00 PM

Best Times for Fishing or Hunting

Major Periods

1:01 AM - 3:31 AM
1:27 PM - 3:57 PM

Minor Periods

9:24 AM - 10:54 AM
5:30 PM - 7:00 PM
Action Rating:
Good Action 3/5
Wednesday, November 11, 2026

Weather Forecast

Conditions: Fog
Average Temperature: 57.9°F
Average Humidity: 83%
Chance of Rain: 1%
Wind: 6.2 mph
UV Index: 2.5

Air Quality

EPA Index 1 • Good
PM2.5
7.8 μg/m³
Good
PM10
8.4 μg/m³
Good
Ozone (O3)
36.3 μg/m³
Photochemical
NO2
10.2 μg/m³
Nitrogen Dioxide
SO2
0.5 μg/m³
Sulfur Dioxide
CO
216 μg/m³
Carbon Monoxide

Astronomical

Sun
9h 44m daylight
Sunrise 7:04 AM
Solar Noon 11:56 AM
Sunset 4:48 PM
Moon
New • 2%
Moonrise 9:54 AM
Transit 1:57 PM
Moonset 6:00 PM

Best Times for Fishing or Hunting

Major Periods

1:01 AM - 3:31 AM
1:27 PM - 3:57 PM

Minor Periods

9:24 AM - 10:54 AM
5:30 PM - 7:00 PM
Action Rating:
Good Action 3/5
Thursday, November 12, 2026

Weather Forecast

Conditions: Fog
Average Temperature: 52.5°F
Average Humidity: 86%
Chance of Rain: 11%
Wind: 6.6 mph
UV Index: 2.2

Air Quality

EPA Index 2 • Moderate
PM2.5
12.5 μg/m³
Moderate
PM10
13.8 μg/m³
Good
Ozone (O3)
32.9 μg/m³
Photochemical
NO2
14.9 μg/m³
Nitrogen Dioxide
SO2
0.8 μg/m³
Sulfur Dioxide
CO
267.9 μg/m³
Carbon Monoxide

Astronomical

Sun
9h 42m daylight
Sunrise 7:05 AM
Solar Noon 11:56 AM
Sunset 4:47 PM
Moon
Waxing Crescent • 6%
Moonrise 10:47 AM
Transit 2:49 PM
Moonset 6:53 PM

Best Times for Fishing or Hunting

Major Periods

1:53 AM - 4:23 AM
2:19 PM - 4:49 PM

Minor Periods

10:17 AM - 11:47 AM
6:23 PM - 7:53 PM
Action Rating:
Good Action 3/5
Friday, November 13, 2026

Weather Forecast

Conditions: Moderate Rain Showers
Average Temperature: 49.5°F
Average Humidity: 89%
Chance of Rain: 74%
Wind: 5.9 mph
UV Index: 0.4

Air Quality

EPA Index 2 • Moderate
PM2.5
4.5 μg/m³
Good
PM10
5.2 μg/m³
Good
Ozone (O3)
60.8 μg/m³
Photochemical
NO2
4.7 μg/m³
Nitrogen Dioxide
SO2
0.4 μg/m³
Sulfur Dioxide
CO
150.2 μg/m³
Carbon Monoxide

Astronomical

Sun
9h 39m daylight
Sunrise 7:07 AM
Solar Noon 11:56 AM
Sunset 4:46 PM
Moon
Waxing Crescent • 13%
Moonrise 11:30 AM
Transit 3:39 PM
Moonset 7:53 PM

Best Times for Fishing or Hunting

Major Periods

2:44 AM - 5:14 AM
3:09 PM - 5:39 PM

Minor Periods

11:00 AM - 12:30 PM
7:23 PM - 8:53 PM
Action Rating:
Fair Action 2/5
Saturday, November 14, 2026

Weather Forecast

Conditions: Dense Drizzle
Average Temperature: 51.3°F
Average Humidity: 77%
Chance of Rain: 74%
Wind: 15.2 mph
UV Index: 1.3

Air Quality

EPA Index 1 • Good
PM2.5
2.2 μg/m³
Good
PM10
2.9 μg/m³
Good
Ozone (O3)
65.1 μg/m³
Photochemical
NO2
2.1 μg/m³
Nitrogen Dioxide
SO2
0.3 μg/m³
Sulfur Dioxide
CO
139.5 μg/m³
Carbon Monoxide

Astronomical

Sun
9h 37m daylight
Sunrise 7:08 AM
Solar Noon 11:56 AM
Sunset 4:45 PM
Moon
Waxing Crescent • 21%
Moonrise 12:05 PM
Transit 4:28 PM
Moonset 8:57 PM

Best Times for Fishing or Hunting

Major Periods

3:34 AM - 6:04 AM
3:58 PM - 6:28 PM

Minor Periods

11:35 AM - 1:05 PM
8:27 PM - 9:57 PM
Action Rating:
Fair Action 2/5
Sunday, November 15, 2026

Weather Forecast

Conditions: Slight Rain
Average Temperature: 51.1°F
Average Humidity: 86%
Chance of Rain: 80%
Wind: 12.1 mph
UV Index: 1.4

Air Quality

EPA Index 1 • Good
PM2.5
4.5 μg/m³
Good
PM10
4.9 μg/m³
Good
Ozone (O3)
33 μg/m³
Photochemical
NO2
7 μg/m³
Nitrogen Dioxide
SO2
0.3 μg/m³
Sulfur Dioxide
CO
194 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
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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