Water Temperature of the Santiam River in Jefferson, OR

Current Water Temperature

45.7°F

Measurement Time: Saturday, February 14, 2026, 5:30 AM 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

44.8°F
Light rain
Light rain
40.8°F
46.4°F
100%
N 7.2 mph
9.7 mph
42.5°F
42.2°F
0 in
100%
8 mi
1017 mbar
0.1

Five Day Weather Forecast

Patchy rain nearby
Sat
H: 48°F
L: 40°F
Mist
Sun
H: 48°F
L: 30°F
Moderate rain
Mon
H: 40°F
L: 32°F
Patchy rain nearby
Tue
H: 46°F
L: 30°F
Light freezing rain
Wed
H: 48°F
L: 28°F

Air Quality

AQI: 1 - Good
PM2.5: 4.25 μg/m3
PM10: 5.15 μg/m3
Carbon Monoxide: 202.85 μg/m3
Nitrogen Dioxide: 9.05 μg/m3
Sulphur Dioxide: 2.35 μg/m3
Ozone: 60 μg/m3

Astronomical

Sunrise: 7:14 AM
Sun Transit: 12:26 AM
Sunset: 5:39 PM
Daylight: 10 hrs 26 mins
Moonrise: 6:04 AM
Moon Transit: 10:18 AM
Moonset: 2:39 PM
Moon Phase: Waning Crescent
Moon Illumination: 1.7%

Best Times for Fishing or Hunting

Major Periods

5:40 PM - 8:10 PM
9:48 AM - 12:18 AM

Minor Periods

2:09 PM - 3:39 PM
5:34 AM - 7:04 AM

Action Rating: 4 out of 5

Beach Hazards Statement issued February 14 at 2:18AM PST until February 15 at 10:00PM PST by NWS Portland OR

Effective: Sat February 14, 2026, 2:18 AM
Expires: Sun February 15, 2026, 4:00 AM

* WHAT...Sneaker waves possible. * WHERE...North and Central Coast of Oregon, and South Washington Coast. * WHEN...Through Sunday evening. * IMPACTS...Waves can run up significantly farther on a beach than normal, including over rocks and jetties. Sneaker waves can suddenly knock people off of their feet and quickly pull them into the frigid ocean which may lead to serious injury or drowning. * ADDITIONAL DETAILS...Caution should be used when in or near the water, especially those who will be razor clamming. Keep children and pets away from the surf zone. Keep off of jetties, rocks and logs near the surf zone. If you see someone swept into the sea do not swim in after them. Call 911 and keep an eye on them until help arrives.

Remain out of the water to avoid hazardous swimming conditions.
Saturday, February 14, 2026

Weather Forecast

Patchy rain nearby
47.7°F
39.9°F
43.9°F
92%
0.07 in
89%
0%
8.7 mph
0.1


Air Quality

AQI: 1 - Good
PM2.5: 4.94 μg/m3
PM10: 6.34 μg/m3
Carbon Monoxide: 186.05 μg/m3
Nitrogen Dioxide: 5.61 μg/m3
Sulphur Dioxide: 1.69 μg/m3
Ozone: 52.48 μg/m3

Astronomical

Sunrise: 7:14 AM
Sun Transit: 12:26 AM
Sunset: 5:39 PM
Daylight: 10 hrs 26 mins
Moonrise: 6:04 AM
Moon Transit: 10:18 AM
Moonset: 2:39 PM
Moon Phase: Waning Crescent
Moon Illumination: 1.7%

Best Times for Fishing or Hunting

Major Periods

5:40 PM - 8:10 PM
9:48 AM - 12:18 AM

Minor Periods

2:09 PM - 3:39 PM
5:34 AM - 7:04 AM

Action Rating: 4 out of 5

Sunday, February 15, 2026

Weather Forecast

Mist
48°F
30°F
38.2°F
87%
0 in
0%
0%
4.9 mph
0.3


Air Quality

AQI: 1 - Good
PM2.5: 4.23 μg/m3
PM10: 5.07 μg/m3
Carbon Monoxide: 200.45 μg/m3
Nitrogen Dioxide: 7.89 μg/m3
Sulphur Dioxide: 2.37 μg/m3
Ozone: 56.56 μg/m3

Astronomical

Sunrise: 7:12 AM
Sun Transit: 12:26 AM
Sunset: 5:41 PM
Daylight: 10 hrs 29 mins
Moonrise: 6:36 AM
Moon Transit: 11:08 AM
Moonset: 3:50 PM
Moon Phase: Waning Crescent
Moon Illumination: 0.0%

Best Times for Fishing or Hunting

Major Periods

6:30 PM - 9:00 PM
10:38 AM - 1:08 PM

Minor Periods

3:20 PM - 4:50 PM
6:06 AM - 7:36 AM

Action Rating: 3 out of 5

Monday, February 16, 2026

Weather Forecast

Moderate rain
40.3°F
32.4°F
36.7°F
94%
0.25 in
86%
0%
11.9 mph
0.1


Air Quality

AQI: 1 - Good
PM2.5: 8.01 μg/m3
PM10: 8.68 μg/m3
Carbon Monoxide: 231.21 μg/m3
Nitrogen Dioxide: 14.28 μg/m3
Sulphur Dioxide: 2.6 μg/m3
Ozone: 44.52 μg/m3

Astronomical

Sunrise: 7:11 AM
Sun Transit: 12:26 AM
Sunset: 5:42 PM
Daylight: 10 hrs 32 mins
Moonrise: 7:01 AM
Moon Transit: 11:57 AM
Moonset: 5:03 PM
Moon Phase: New
Moon Illumination: 0.9%

Best Times for Fishing or Hunting

Major Periods

7:17 PM - 9:47 PM
11:27 AM - 1:57 PM

Minor Periods

4:33 PM - 6:03 PM
6:31 AM - 8:01 AM

Action Rating: 4 out of 5

Tuesday, February 17, 2026

Weather Forecast

Patchy rain nearby
46.2°F
30.2°F
39°F
89%
0.13 in
87%
6%
9.6 mph
0.2


Air Quality

AQI: 1 - Good
PM2.5: 2.26 μg/m3
PM10: 2.57 μg/m3
Carbon Monoxide: 176.64 μg/m3
Nitrogen Dioxide: 4.33 μg/m3
Sulphur Dioxide: 1.43 μg/m3
Ozone: 64.28 μg/m3

Astronomical

Sunrise: 7:09 AM
Sun Transit: 12:26 AM
Sunset: 5:44 PM
Daylight: 10 hrs 35 mins
Moonrise: 7:23 AM
Moon Transit: 12:43 AM
Moonset: 6:16 PM
Moon Phase: New
Moon Illumination: 0.0%

Best Times for Fishing or Hunting

Major Periods

8:03 PM - 10:33 PM
12:13 AM - 2:43 PM

Minor Periods

5:46 PM - 7:16 PM
6:53 AM - 8:23 AM

Action Rating: 5 out of 5

Wednesday, February 18, 2026

Weather Forecast

Light freezing rain
47.9°F
28°F
33.6°F
86%
0.01 in
78%
0%
5.4 mph
0


Air Quality

AQI: 1 - Good
PM2.5: 6.56 μg/m3
PM10: 7.52 μg/m3
Carbon Monoxide: 260.49 μg/m3
Nitrogen Dioxide: 14.17 μg/m3
Sulphur Dioxide: 2.14 μg/m3
Ozone: 47.54 μg/m3

Astronomical

Sunrise: 7:08 AM
Sun Transit: 12:26 AM
Sunset: 5:45 PM
Daylight: 10 hrs 37 mins
Moonrise: 7:42 AM
Moon Transit: 1:29 PM
Moonset: 7:29 PM
Moon Phase: New
Moon Illumination: 1.3%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
12:59 AM - 3:29 PM

Minor Periods

6:59 PM - 8:29 PM
7:12 AM - 8:42 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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