Water Temperature of the Santiam River in Jefferson, OR

Current Water Temperature

43.0°F

Measurement Time: Friday, January 16, 2026, 10:30 PM PST

Temperature Locations

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Local Points of Interest

Santium River Rest Area

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

27°F
Clear
Clear
23.1°F
30°F
96%
N 3.4 mph
7 mph
23°F
26.9°F
0 in
0%
9 mi
1025 mbar
0

Five Day Weather Forecast

Sunny
Sat
H: 55°F
L: 30°F
Sunny
Sun
H: 52°F
L: 35°F
Sunny
Mon
H: 49°F
L: 35°F
Sunny
Tue
H: 49°F
L: 34°F
Cloudy
Wed
H: 49°F
L: 35°F

Air Quality

PM2.5: 4.95 μg/m3
PM10: 5.05 μg/m3
Carbon Monoxide: 219.85 μg/m3
Nitrogen Dioxide: 7.95 μg/m3
Sulphur Dioxide: 2.55 μg/m3
Ozone: 43 μg/m3

Astronomical

Sunrise: 7:45 AM
Sun Transit: 12:22 AM
Sunset: 5:01 PM
Daylight: 9 hrs 16 mins
Moonrise: 7:29 AM
Moon Transit: 11:35 AM
Moonset: 3:47 PM
Moon Phase: New
Moon Illumination: 0.2%

Best Times for Fishing or Hunting

Major Periods

6:57 PM - 9:27 PM
11:05 AM - 1:35 PM

Minor Periods

3:17 PM - 4:47 PM
6:59 AM - 8:29 AM

Action Rating: 4 out of 5

Air Stagnation Advisory issued January 16 at 1:34PM PST until January 20 at 10:00AM PST by NWS Portland OR

Effective: Fri January 16, 2026, 1:34 PM
Expires: Sat January 17, 2026, 6:00 AM

* WHAT...Light winds and limited air movement will lead to a period of stagnant air conditions. * WHERE...Central and Southern Willamette Valley, and Tualatin Valley. * WHEN...From 7 PM Saturday to 10 AM PST Tuesday. * IMPACTS...Deteriorating air quality may cause issues for people with respiratory problems.

State air quality agencies highly recommend that no outdoor burning occur and that residential wood burning devices be limited as much as possible. According to state air quality agencies, prolonged periods of stagnant air can hold pollutants close to the ground where people live and breathe. Check with your local burn agency for any current restrictions in your area. People with respiratory illness should follow their physician's advice for dealing with high levels of air pollution during periods of stagnant air, especially if an Air Quality Alert is in effect for your area. To see if an Air Quality Alert is in effect for your area, go to www.weather.gov/pqr and left-click your location on the homepage map display. Alternatively, you could also type your location into the search bar found on the top-left hand side of the homepage. From there, you will see an Air Quality Alert listed at the top if one is in effect for your location; you can click the alert to read more details if applicable.


Air Stagnation Advisory issued January 17 at 1:14AM PST until January 20 at 10:00AM PST by NWS Portland OR

Effective: Sat January 17, 2026, 1:14 AM
Expires: Sat January 17, 2026, 1:15 PM

* WHAT...Light winds and limited air movement will lead to a period of stagnant air conditions. * WHERE...Central Willamette Valley, Tualatin Valley, Benton County Lowlands, and Linn County Lowlands. * WHEN...From 7 PM this evening to 10 AM PST Tuesday. * IMPACTS...Deteriorating air quality may cause issues for people with respiratory problems.

State air quality agencies highly recommend that no outdoor burning occur and that residential wood burning devices be limited as much as possible. According to state air quality agencies, prolonged periods of stagnant air can hold pollutants close to the ground where people live and breathe. Check with your local burn agency for any current restrictions in your area. People with respiratory illness should follow their physician's advice for dealing with high levels of air pollution during periods of stagnant air, especially if an Air Quality Alert is in effect for your area. To see if an Air Quality Alert is in effect for your area, go to www.weather.gov/pqr and left-click your location on the homepage map display. Alternatively, you could also type your location into the search bar found on the top-left hand side of the homepage. From there, you will see an Air Quality Alert listed at the top if one is in effect for your location; you can click the alert to read more details if applicable.


Saturday, January 17, 2026

Weather Forecast

Sunny
54.5°F
29.8°F
37.7°F
80%
0 in
0%
0%
4 mph
0.3


Air Quality

AQI: 1 - Good
PM2.5: 7.84 μg/m3
PM10: 7.94 μg/m3
Carbon Monoxide: 232.27 μg/m3
Nitrogen Dioxide: 12.67 μg/m3
Sulphur Dioxide: 2.17 μg/m3
Ozone: 31.84 μg/m3

Astronomical

Sunrise: 7:45 AM
Sun Transit: 12:22 AM
Sunset: 5:01 PM
Daylight: 9 hrs 16 mins
Moonrise: 7:29 AM
Moon Transit: 11:35 AM
Moonset: 3:47 PM
Moon Phase: New
Moon Illumination: 0.2%

Best Times for Fishing or Hunting

Major Periods

6:57 PM - 9:27 PM
11:05 AM - 1:35 PM

Minor Periods

3:17 PM - 4:47 PM
6:59 AM - 8:29 AM

Action Rating: 4 out of 5

Sunday, January 18, 2026

Weather Forecast

Sunny
51.7°F
35.2°F
41.2°F
86%
0 in
0%
0%
2.9 mph
0.3


Air Quality

AQI: 1 - Good
PM2.5: 12.63 μg/m3
PM10: 12.85 μg/m3
Carbon Monoxide: 353.66 μg/m3
Nitrogen Dioxide: 25.05 μg/m3
Sulphur Dioxide: 3.31 μg/m3
Ozone: 14.08 μg/m3

Astronomical

Sunrise: 7:44 AM
Sun Transit: 12:22 AM
Sunset: 5:02 PM
Daylight: 9 hrs 18 mins
Moonrise: 8:05 AM
Moon Transit: 12:26 AM
Moonset: 4:56 PM
Moon Phase: New
Moon Illumination: 2.5%

Best Times for Fishing or Hunting

Major Periods

7:48 PM - 10:18 PM
11:56 AM - 2:26 PM

Minor Periods

4:26 PM - 5:56 PM
7:35 AM - 9:05 AM

Action Rating: 4 out of 5

Monday, January 19, 2026

Weather Forecast

Sunny
48.7°F
34.8°F
39.3°F
87%
0 in
0%
0%
5.8 mph
0


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 7:43 AM
Sun Transit: 12:23 AM
Sunset: 5:03 PM
Daylight: 9 hrs 20 mins
Moonrise: 8:34 AM
Moon Transit: 1:16 PM
Moonset: 6:07 PM
Moon Phase: New
Moon Illumination: 0.4%

Best Times for Fishing or Hunting

Major Periods

8:36 PM - 11:06 PM
12:46 AM - 3:16 PM

Minor Periods

5:37 PM - 7:07 PM
8:04 AM - 9:34 AM

Action Rating: 4 out of 5

Tuesday, January 20, 2026

Weather Forecast

Sunny
49.4°F
33.5°F
40.1°F
83%
0 in
0%
0%
3.4 mph
2


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 7:42 AM
Sun Transit: 12:23 AM
Sunset: 5:04 PM
Daylight: 9 hrs 22 mins
Moonrise: 8:58 AM
Moon Transit: 2:02 PM
Moonset: 7:18 PM
Moon Phase: New
Moon Illumination: 3.1%

Best Times for Fishing or Hunting

Major Periods

9:23 PM - 11:53 PM
1:32 PM - 4:02 PM

Minor Periods

6:48 PM - 8:18 PM
8:28 AM - 9:58 AM

Action Rating: 3 out of 5

Wednesday, January 21, 2026

Weather Forecast

Cloudy
49.2°F
35.3°F
41.4°F
85%
0 in
0%
0%
2.5 mph
2


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 7:42 AM
Sun Transit: 12:23 AM
Sunset: 5:06 PM
Daylight: 9 hrs 24 mins
Moonrise: 9:18 AM
Moon Transit: 2:48 PM
Moonset: 8:30 PM
Moon Phase: Waxing Crescent
Moon Illumination: 8.1%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
2:18 PM - 4:48 PM

Minor Periods

8:00 PM - 9:30 PM
8:48 AM - 10:18 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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