Water Temperature of the Santiam River in Jefferson, OR

Current Water Temperature

67.5°F

Measurement Time: Monday, August 3, 2026, 1:30 PM 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

72.5°F
Clear
Clear
64.9°F
75.7°F
42%
N 13 mph
26.8 mph
72.5°F
48.5°F
0 in
0%
6 mi
1013 mbar
0

Five Day Weather Forecast

Sunny
Mon
H: 89°F
L: 54°F
Smoky haze
Tue
H: 96°F
L: 60°F
Smoky haze
Wed
H: 99°F
L: 56°F
Sunny
Thu
H: 95°F
L: 55°F
Sunny
Fri
H: 91°F
L: 50°F

Air Quality

AQI: 1 - Good
PM2.5: 25.4 μg/m3
PM10: 25.8 μg/m3
Carbon Monoxide: 324 μg/m3
Nitrogen Dioxide: 3.9 μg/m3
Sulphur Dioxide: 2.4 μg/m3
Ozone: 131 μg/m3

Astronomical

Sunrise: 6:01 AM
Sun Transit: 1:18 PM
Sunset: 8:36 PM
Daylight: 14 hrs 35 mins
Moonrise: 10:40 PM
Moon Transit: 12:00 AM
Moonset: 11:32 AM
Moon Phase: Waning Gibbous
Moon Illumination: 65.6%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
12:09 AM - 2:39 PM

Minor Periods

10:10 PM - 11:40 PM
11:02 AM - 12:32 AM

Action Rating: 2 out of 5

Monday, August 3, 2026

Weather Forecast

Sunny
88.7°F
53.6°F
70°F
52%
0 in
2%
0%
13 mph
5.5


Air Quality

AQI: 1 - Good
PM2.5: 12.94 μg/m3
PM10: 14.2 μg/m3
Carbon Monoxide: 176.38 μg/m3
Nitrogen Dioxide: 3.3 μg/m3
Sulphur Dioxide: 1.29 μg/m3
Ozone: 78.13 μg/m3

Astronomical

Sunrise: 6:01 AM
Sun Transit: 1:18 PM
Sunset: 8:36 PM
Daylight: 14 hrs 35 mins
Moonrise: 10:40 PM
Moon Transit: 12:00 AM
Moonset: 11:32 AM
Moon Phase: Waning Gibbous
Moon Illumination: 65.6%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
12:09 AM - 2:39 PM

Minor Periods

10:10 PM - 11:40 PM
11:02 AM - 12:32 AM

Action Rating: 2 out of 5

Tuesday, August 4, 2026

Weather Forecast

Smoky haze
96°F
60.1°F
75.4°F
35%
0 in
1%
0%
10.1 mph
3.2


Air Quality

AQI: 3 - Unhealthy for Sensitive Groups
PM2.5: 44.36 μg/m3
PM10: 45.55 μg/m3
Carbon Monoxide: 366.58 μg/m3
Nitrogen Dioxide: 5.48 μg/m3
Sulphur Dioxide: 2.56 μg/m3
Ozone: 136.25 μg/m3

Astronomical

Sunrise: 6:02 AM
Sun Transit: 1:18 PM
Sunset: 8:34 PM
Daylight: 14 hrs 32 mins
Moonrise: 11:02 PM
Moon Transit: 5:35 AM
Moonset: 12:46 AM
Moon Phase: Last Quarter
Moon Illumination: 54.6%

Best Times for Fishing or Hunting

Major Periods

5:05 AM - 7:35 AM
12:55 AM - 3:25 PM

Minor Periods

12:00 AM - 12:00 AM
12:16 AM - 1:46 PM

Action Rating: 2 out of 5

Wednesday, August 5, 2026

Weather Forecast

Smoky haze
98.5°F
56°F
75.2°F
40%
0 in
1%
0%
7.4 mph
4.7


Air Quality

AQI: 3 - Unhealthy for Sensitive Groups
PM2.5: 47.68 μg/m3
PM10: 48.74 μg/m3
Carbon Monoxide: 456.38 μg/m3
Nitrogen Dioxide: 5.45 μg/m3
Sulphur Dioxide: 3.39 μg/m3
Ozone: 147.42 μg/m3

Astronomical

Sunrise: 6:03 AM
Sun Transit: 1:18 PM
Sunset: 8:33 PM
Daylight: 14 hrs 30 mins
Moonrise: 12:02 AM
Moon Transit: 6:24 AM
Moonset: 2:03 PM
Moon Phase: Last Quarter
Moon Illumination: 43.2%

Best Times for Fishing or Hunting

Major Periods

5:54 AM - 8:24 AM
1:46 PM - 4:16 PM

Minor Periods

1:33 PM - 3:03 PM
12:00 AM - 12:00 AM

Action Rating: 3 out of 5

Thursday, August 6, 2026

Weather Forecast

Sunny
95°F
54.5°F
71.8°F
44%
0 in
1%
0%
10.5 mph
5.2


Air Quality

AQI: 2 - Moderate
PM2.5: 22.08 μg/m3
PM10: 25.55 μg/m3
Carbon Monoxide: 282.79 μg/m3
Nitrogen Dioxide: 5.1 μg/m3
Sulphur Dioxide: 1.36 μg/m3
Ozone: 82.08 μg/m3

Astronomical

Sunrise: 6:04 AM
Sun Transit: 1:18 PM
Sunset: 8:31 PM
Daylight: 14 hrs 27 mins
Moonrise: 12:30 AM
Moon Transit: 7:18 AM
Moonset: 3:22 PM
Moon Phase: Last Quarter
Moon Illumination: 32.3%

Best Times for Fishing or Hunting

Major Periods

6:48 AM - 9:18 AM
2:42 PM - 5:12 PM

Minor Periods

2:52 PM - 4:22 PM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Friday, August 7, 2026

Weather Forecast

Sunny
91.4°F
50.2°F
70°F
48%
0 in
1%
0%
11.4 mph
8


Air Quality

AQI: 1 - Good
PM2.5: 8.18 μg/m3
PM10: 11.08 μg/m3
Carbon Monoxide: 154.95 μg/m3
Nitrogen Dioxide: 3.22 μg/m3
Sulphur Dioxide: 0.68 μg/m3
Ozone: 61.38 μg/m3

Astronomical

Sunrise: 6:05 AM
Sun Transit: 1:17 PM
Sunset: 8:30 PM
Daylight: 14 hrs 25 mins
Moonrise: 12:06 AM
Moon Transit: 8:17 AM
Moonset: 4:40 PM
Moon Phase: Last Quarter
Moon Illumination: 22.2%

Best Times for Fishing or Hunting

Major Periods

7:47 AM - 10:17 AM
3:42 PM - 6:12 PM

Minor Periods

4:10 PM - 5:40 PM
12:00 AM - 12:00 AM

Action Rating: 2 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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