Water Temperature of the Santiam River in Jefferson, OR

Current Water Temperature

51.3°F

Measurement Time: Monday, April 13, 2026, 12:30 AM PDT

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

46°F
Overcast
Overcast
43.8°F
47.2°F
96%
WSW 4.7 mph
6.9 mph
44.3°F
44.3°F
0 in
100%
9 mi
1019 mbar
0.2

Five Day Weather Forecast

Patchy rain nearby
Mon
H: 54°F
L: 43°F
Patchy rain nearby
Tue
H: 51°F
L: 43°F
Heavy rain
Wed
H: 45°F
L: 37°F
Moderate rain
Thu
H: 49°F
L: 32°F
Partly Cloudy
Fri
H: 54°F
L: 33°F

Air Quality

AQI: 1 - Good
PM2.5: 5.55 μg/m3
PM10: 7.45 μg/m3
Carbon Monoxide: 162.85 μg/m3
Nitrogen Dioxide: 1.55 μg/m3
Sulphur Dioxide: 1.05 μg/m3
Ozone: 87 μg/m3

Astronomical

Sunrise: 6:31 AM
Sun Transit: 1:12 PM
Sunset: 7:55 PM
Daylight: 13 hrs 24 mins
Moonrise: 4:48 AM
Moon Transit: 10:10 AM
Moonset: 3:45 PM
Moon Phase: Waning Crescent
Moon Illumination: 6.1%

Best Times for Fishing or Hunting

Major Periods

5:30 PM - 8:00 PM
9:40 AM - 12:10 AM

Minor Periods

3:15 PM - 4:45 PM
4:18 AM - 5:48 AM

Action Rating: 3 out of 5

Winter Storm Watch issued April 12 at 12:32PM PDT until April 16 at 5:00AM PDT by NWS Portland OR

Effective: Sun April 12, 2026, 12:32 PM
Expires: Mon April 13, 2026, 5:00 AM

* WHAT...Heavy snow possible above 3500 ft. Total snow accumulations between 9 to 18 inches possible. Winds could gust as high as 45 mph. * WHERE...South Washington Cascades and the Northern and Central Cascades of Oregon. * WHEN...From Tuesday afternoon through late Wednesday night. * IMPACTS...Roads, and especially bridges and overpasses, will likely become slick and hazardous. * ADDITIONAL DETAILS...Latest guidance suggests the heaviest snow accumulations are forecast over the Cascades from Marion to Lane Counties.

Monitor the latest forecasts and warnings for updates on this situation. Persons should consider delaying all travel. If travel is absolutely necessary, drive with extreme caution. Consider taking a winter storm kit along with you, including such items as tire chains, booster cables, flashlight, shovel, blankets and extra clothing. Also take water, a first aid kit, and anything else that would help you survive in case you become stranded.


Winter Storm Watch issued April 13 at 12:01AM PDT until April 16 at 5:00AM PDT by NWS Portland OR

Effective: Mon April 13, 2026, 12:01 AM
Expires: Mon April 13, 2026, 3:15 PM

* WHAT...Heavy snow possible above 3500 ft. Total snow accumulations between 10 to 20 inches possible. Winds could gust as high as 45 mph. * WHERE...South Washington Cascades and the Northern and Central Cascades of Oregon. * WHEN...From Tuesday afternoon through late Wednesday night. * IMPACTS...Roads, and especially bridges and overpasses, will likely become slick and hazardous. * ADDITIONAL DETAILS...Latest guidance suggests the heaviest snow accumulations are forecast over the Cascades from Marion to Lane Counties.

Monitor the latest forecasts and warnings for updates on this situation. Persons should consider delaying all travel. If travel is absolutely necessary, drive with extreme caution. Consider taking a winter storm kit along with you, including such items as tire chains, booster cables, flashlight, shovel, blankets and extra clothing. Also take water, a first aid kit, and anything else that would help you survive in case you become stranded.


Monday, April 13, 2026

Weather Forecast

Patchy rain nearby
54.3°F
42.8°F
48.7°F
80%
0 in
73%
0%
8.7 mph
0.8


Air Quality

AQI: 1 - Good
PM2.5: 5.11 μg/m3
PM10: 6.93 μg/m3
Carbon Monoxide: 164.25 μg/m3
Nitrogen Dioxide: 2.75 μg/m3
Sulphur Dioxide: 1.12 μg/m3
Ozone: 70.84 μg/m3

Astronomical

Sunrise: 6:31 AM
Sun Transit: 1:12 PM
Sunset: 7:55 PM
Daylight: 13 hrs 24 mins
Moonrise: 4:48 AM
Moon Transit: 10:10 AM
Moonset: 3:45 PM
Moon Phase: Waning Crescent
Moon Illumination: 6.1%

Best Times for Fishing or Hunting

Major Periods

5:30 PM - 8:00 PM
9:40 AM - 12:10 AM

Minor Periods

3:15 PM - 4:45 PM
4:18 AM - 5:48 AM

Action Rating: 3 out of 5

Tuesday, April 14, 2026

Weather Forecast

Patchy rain nearby
50.5°F
43°F
45.8°F
86%
0.11 in
83%
0%
14.8 mph
0.7


Air Quality

AQI: 1 - Good
PM2.5: 6.16 μg/m3
PM10: 8.41 μg/m3
Carbon Monoxide: 181.61 μg/m3
Nitrogen Dioxide: 3.47 μg/m3
Sulphur Dioxide: 1.29 μg/m3
Ozone: 69.8 μg/m3

Astronomical

Sunrise: 6:30 AM
Sun Transit: 1:12 PM
Sunset: 7:56 PM
Daylight: 13 hrs 27 mins
Moonrise: 5:07 AM
Moon Transit: 10:56 AM
Moonset: 4:58 PM
Moon Phase: Waning Crescent
Moon Illumination: 1.9%

Best Times for Fishing or Hunting

Major Periods

6:16 PM - 8:46 PM
10:26 AM - 12:56 AM

Minor Periods

4:28 PM - 5:58 PM
4:37 AM - 6:07 AM

Action Rating: 3 out of 5

Wednesday, April 15, 2026

Weather Forecast

Heavy rain
45.3°F
37.1°F
43.1°F
87%
1.41 in
86%
0%
15.2 mph
1


Air Quality

AQI: 1 - Good
PM2.5: 2.6 μg/m3
PM10: 3.12 μg/m3
Carbon Monoxide: 161.85 μg/m3
Nitrogen Dioxide: 2.67 μg/m3
Sulphur Dioxide: 1.22 μg/m3
Ozone: 77.84 μg/m3

Astronomical

Sunrise: 6:28 AM
Sun Transit: 1:12 PM
Sunset: 7:58 PM
Daylight: 13 hrs 30 mins
Moonrise: 5:26 AM
Moon Transit: 8:33 AM
Moonset: 6:14 PM
Moon Phase: Waning Crescent
Moon Illumination: 0.1%

Best Times for Fishing or Hunting

Major Periods

8:03 AM - 10:33 AM
8:03 AM - 10:33 AM

Minor Periods

5:44 PM - 7:14 PM
4:56 AM - 6:26 AM

Action Rating: 3 out of 5

Thursday, April 16, 2026

Weather Forecast

Moderate rain
49.1°F
31.8°F
39.2°F
93%
0.35 in
89%
11%
7.6 mph
1


Air Quality

AQI: 1 - Good
PM2.5: 4.11 μg/m3
PM10: 5.77 μg/m3
Carbon Monoxide: 162.44 μg/m3
Nitrogen Dioxide: 2.43 μg/m3
Sulphur Dioxide: 1.26 μg/m3
Ozone: 73.48 μg/m3

Astronomical

Sunrise: 6:26 AM
Sun Transit: 1:11 PM
Sunset: 7:59 PM
Daylight: 13 hrs 33 mins
Moonrise: 5:47 AM
Moon Transit: 12:31 AM
Moonset: 7:33 PM
Moon Phase: New
Moon Illumination: 0.8%

Best Times for Fishing or Hunting

Major Periods

7:53 PM - 10:23 PM
12:01 AM - 2:31 PM

Minor Periods

7:03 PM - 8:33 PM
5:17 AM - 6:47 AM

Action Rating: 5 out of 5

Friday, April 17, 2026

Weather Forecast

Partly Cloudy
53.5°F
33.1°F
43.4°F
80%
0 in
0%
0%
4 mph
0


Air Quality

AQI: 1 - Good
PM2.5: 5.98 μg/m3
PM10: 8.11 μg/m3
Carbon Monoxide: 197.09 μg/m3
Nitrogen Dioxide: 7.84 μg/m3
Sulphur Dioxide: 1.44 μg/m3
Ozone: 57.69 μg/m3

Astronomical

Sunrise: 6:24 AM
Sun Transit: 1:11 PM
Sunset: 8:00 PM
Daylight: 13 hrs 36 mins
Moonrise: 6:10 AM
Moon Transit: 1:24 PM
Moonset: 8:56 PM
Moon Phase: New
Moon Illumination: 4.1%

Best Times for Fishing or Hunting

Major Periods

8:47 PM - 11:17 PM
12:54 AM - 3:24 PM

Minor Periods

8:26 PM - 9:56 PM
5:40 AM - 7:10 AM

Action Rating: 4 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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