Water Temperature of the Santiam River in Jefferson, OR

Current Water Temperature

59.2°F

Measurement Time: Monday, May 18, 2026, 7:30 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

69.1°F
Sunny
Sunny
69.1°F
71.6°F
36%
NE 4.9 mph
5.7 mph
70.7°F
44.1°F
0 in
0%
9 mi
1023 mbar
5.7

Five Day Weather Forecast

Sunny
Mon
H: 74°F
L: 44°F
Patchy rain nearby
Tue
H: 65°F
L: 41°F
Partly Cloudy
Wed
H: 67°F
L: 43°F
Sunny
Thu
H: 75°F
L: 44°F
Sunny
Fri
H: 74°F
L: 43°F

Air Quality

AQI: 1 - Good
PM2.5: 6.65 μg/m3
PM10: 9.15 μg/m3
Carbon Monoxide: 150.85 μg/m3
Nitrogen Dioxide: 4.75 μg/m3
Sulphur Dioxide: 1.85 μg/m3
Ozone: 57 μg/m3

Astronomical

Sunrise: 5:40 AM
Sun Transit: 1:08 PM
Sunset: 8:38 PM
Daylight: 14 hrs 57 mins
Moonrise: 6:47 AM
Moon Transit: 3:15 PM
Moonset: 11:43 PM
Moon Phase: New
Moon Illumination: 2.6%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
2:45 PM - 5:15 PM

Minor Periods

12:00 AM - 12:00 AM
6:17 AM - 7:47 AM

Action Rating: 3 out of 5

Monday, May 18, 2026

Weather Forecast

Sunny
74.1°F
44.1°F
58.1°F
64%
0 in
0%
0%
7.8 mph
6.8


Air Quality

AQI: 1 - Good
PM2.5: 6.68 μg/m3
PM10: 8.72 μg/m3
Carbon Monoxide: 155.13 μg/m3
Nitrogen Dioxide: 5.84 μg/m3
Sulphur Dioxide: 1.51 μg/m3
Ozone: 54.44 μg/m3

Astronomical

Sunrise: 5:40 AM
Sun Transit: 1:08 PM
Sunset: 8:38 PM
Daylight: 14 hrs 57 mins
Moonrise: 6:47 AM
Moon Transit: 3:15 PM
Moonset: 11:43 PM
Moon Phase: New
Moon Illumination: 2.6%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
2:45 PM - 5:15 PM

Minor Periods

12:00 AM - 12:00 AM
6:17 AM - 7:47 AM

Action Rating: 3 out of 5

Tuesday, May 19, 2026

Weather Forecast

Patchy rain nearby
65.1°F
40.8°F
54.6°F
75%
0.01 in
79%
0%
5.4 mph
6.3


Air Quality

AQI: 1 - Good
PM2.5: 5.97 μg/m3
PM10: 8.54 μg/m3
Carbon Monoxide: 138.89 μg/m3
Nitrogen Dioxide: 3.84 μg/m3
Sulphur Dioxide: 1.41 μg/m3
Ozone: 58.92 μg/m3

Astronomical

Sunrise: 5:39 AM
Sun Transit: 1:08 PM
Sunset: 8:39 PM
Daylight: 14 hrs 59 mins
Moonrise: 7:57 AM
Moon Transit: 4:21 PM
Moonset: 12:43 AM
Moon Phase: Waxing Crescent
Moon Illumination: 7.4%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
3:51 PM - 6:21 PM

Minor Periods

7:27 AM - 8:57 AM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Wednesday, May 20, 2026

Weather Forecast

Partly Cloudy
67°F
43.4°F
55.3°F
75%
0 in
0%
0%
8.5 mph
7.7


Air Quality

AQI: 1 - Good
PM2.5: 3.5 μg/m3
PM10: 4.87 μg/m3
Carbon Monoxide: 129.37 μg/m3
Nitrogen Dioxide: 2.93 μg/m3
Sulphur Dioxide: 1.13 μg/m3
Ozone: 52.24 μg/m3

Astronomical

Sunrise: 5:38 AM
Sun Transit: 1:08 PM
Sunset: 8:40 PM
Daylight: 15 hrs 2 mins
Moonrise: 9:16 AM
Moon Transit: 5:22 PM
Moonset: 12:36 AM
Moon Phase: Waxing Crescent
Moon Illumination: 14.4%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
4:52 PM - 7:22 PM

Minor Periods

8:46 AM - 10:16 AM
12:06 AM - 1:36 AM

Action Rating: 2 out of 5

Thursday, May 21, 2026

Weather Forecast

Sunny
74.6°F
43.5°F
58.1°F
73%
0 in
0%
0%
7.6 mph
0


Air Quality

AQI: 1 - Good
PM2.5: 6.15 μg/m3
PM10: 8.8 μg/m3
Carbon Monoxide: 142.91 μg/m3
Nitrogen Dioxide: 3.58 μg/m3
Sulphur Dioxide: 1.3 μg/m3
Ozone: 59.2 μg/m3

Astronomical

Sunrise: 5:37 AM
Sun Transit: 1:08 PM
Sunset: 8:41 PM
Daylight: 15 hrs 4 mins
Moonrise: 10:37 AM
Moon Transit: 6:18 PM
Moonset: 1:14 AM
Moon Phase: Waxing Crescent
Moon Illumination: 23.2%

Best Times for Fishing or Hunting

Major Periods

12:46 AM - 3:16 AM
5:48 PM - 8:18 PM

Minor Periods

10:07 AM - 11:37 AM
12:44 AM - 2:14 AM

Action Rating: 3 out of 5

Friday, May 22, 2026

Weather Forecast

Sunny
74.2°F
43.4°F
58.1°F
72%
0 in
0%
0%
6.7 mph
4


Air Quality

AQI: 1 - Good
PM2.5: 6.38 μg/m3
PM10: 8.88 μg/m3
Carbon Monoxide: 151.54 μg/m3
Nitrogen Dioxide: 4.61 μg/m3
Sulphur Dioxide: 1.2 μg/m3
Ozone: 51.92 μg/m3

Astronomical

Sunrise: 5:37 AM
Sun Transit: 1:08 PM
Sunset: 8:42 PM
Daylight: 15 hrs 5 mins
Moonrise: 11:55 AM
Moon Transit: 7:08 PM
Moonset: 1:43 AM
Moon Phase: Waxing Crescent
Moon Illumination: 33.4%

Best Times for Fishing or Hunting

Major Periods

1:40 AM - 4:10 AM
6:38 PM - 9:08 PM

Minor Periods

11:25 AM - 12:55 AM
1:13 AM - 2:43 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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