Water Temperature of the Santiam River in Jefferson, OR

Current Water Temperature

67.6°F

Measurement Time: Sunday, July 19, 2026, 8:30 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

61°F
Clear
Clear
61°F
64.6°F
81%
NNE 3.4 mph
7 mph
64.6°F
55.8°F
0 in
0%
9 mi
1014 mbar
0

Five Day Weather Forecast

Sunny
Mon
H: 92°F
L: 63°F
Sunny
Tue
H: 97°F
L: 61°F
Sunny
Wed
H: 93°F
L: 58°F
Sunny
Thu
H: 89°F
L: 52°F
Sunny
Fri
H: 87°F
L: 48°F

Air Quality

AQI: 1 - Good
PM2.5: 4.2 μg/m3
PM10: 5.5 μg/m3
Carbon Monoxide: 116 μg/m3
Nitrogen Dioxide: 5.2 μg/m3
Sulphur Dioxide: 0.4 μg/m3
Ozone: 30 μg/m3

Astronomical

Sunrise: 5:46 AM
Sun Transit: 1:18 PM
Sunset: 8:51 PM
Daylight: 15 hrs 6 mins
Moonrise: 1:18 PM
Moon Transit: 6:38 PM
Moonset: 12:29 AM
Moon Phase: Waxing Crescent
Moon Illumination: 32.7%

Best Times for Fishing or Hunting

Major Periods

1:14 AM - 3:44 AM
6:08 PM - 8:38 PM

Minor Periods

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

Action Rating: 3 out of 5

Small Craft Advisory issued July 19 at 12:48PM PDT until July 20 at 11:00AM PDT by NWS Portland OR

Effective: Sun July 19, 2026, 12:48 PM
Expires: Mon July 20, 2026, 5:00 AM

* WHAT...Seas 5 to 8 ft at 8 seconds and north winds 10 to 20 kt with gusts up to 25 kt. * WHERE...Coastal waters from Cape Foulweather to Florence OR out 10 NM. * WHEN...Until 11 AM PDT Monday. * IMPACTS...Conditions will be hazardous to small craft.

Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions.


Small Craft Advisory issued July 20 at 12:30AM PDT until July 20 at 11:00AM PDT by NWS Portland OR

Effective: Mon July 20, 2026, 12:30 AM
Expires: Mon July 20, 2026, 11:00 AM

* WHAT...Seas 5 to 7 ft at 8 seconds and north winds 5 to 15 kt. * WHERE...Coastal waters from Cape Foulweather to Florence OR out 10 NM. * WHEN...Until 11 AM PDT this morning. * IMPACTS...Conditions will be hazardous to small craft.

Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions.
Monday, July 20, 2026

Weather Forecast

Sunny
92.1°F
63.3°F
76.3°F
52%
0 in
3%
0%
4 mph
6.9


Air Quality

AQI: 1 - Good
PM2.5: 6 μg/m3
PM10: 7.4 μg/m3
Carbon Monoxide: 117.92 μg/m3
Nitrogen Dioxide: 3.43 μg/m3
Sulphur Dioxide: 0.65 μg/m3
Ozone: 68.96 μg/m3

Astronomical

Sunrise: 5:46 AM
Sun Transit: 1:18 PM
Sunset: 8:51 PM
Daylight: 15 hrs 6 mins
Moonrise: 1:18 PM
Moon Transit: 6:38 PM
Moonset: 12:29 AM
Moon Phase: Waxing Crescent
Moon Illumination: 32.7%

Best Times for Fishing or Hunting

Major Periods

1:14 AM - 3:44 AM
6:08 PM - 8:38 PM

Minor Periods

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

Action Rating: 3 out of 5

Tuesday, July 21, 2026

Weather Forecast

Sunny
96.7°F
61.3°F
76.7°F
50%
0 in
2%
0%
9.2 mph
7.7


Air Quality

AQI: 1 - Good
PM2.5: 8.98 μg/m3
PM10: 10.32 μg/m3
Carbon Monoxide: 133.33 μg/m3
Nitrogen Dioxide: 4.34 μg/m3
Sulphur Dioxide: 0.86 μg/m3
Ozone: 77.67 μg/m3

Astronomical

Sunrise: 5:47 AM
Sun Transit: 1:18 PM
Sunset: 8:50 PM
Daylight: 15 hrs 4 mins
Moonrise: 2:27 PM
Moon Transit: 7:22 PM
Moonset: 12:49 AM
Moon Phase: First Quarter
Moon Illumination: 43.7%

Best Times for Fishing or Hunting

Major Periods

1:58 AM - 4:28 AM
6:52 PM - 9:22 PM

Minor Periods

1:57 PM - 3:27 PM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Wednesday, July 22, 2026

Weather Forecast

Sunny
93.2°F
57.6°F
73.2°F
53%
0 in
2%
0%
9.8 mph
8.4


Air Quality

AQI: 1 - Good
PM2.5: 8.05 μg/m3
PM10: 10.1 μg/m3
Carbon Monoxide: 168.08 μg/m3
Nitrogen Dioxide: 3.88 μg/m3
Sulphur Dioxide: 0.65 μg/m3
Ozone: 69.33 μg/m3

Astronomical

Sunrise: 5:48 AM
Sun Transit: 1:18 PM
Sunset: 8:49 PM
Daylight: 15 hrs 2 mins
Moonrise: 3:34 PM
Moon Transit: 8:08 PM
Moonset: 12:11 AM
Moon Phase: First Quarter
Moon Illumination: 55.0%

Best Times for Fishing or Hunting

Major Periods

2:42 AM - 5:12 AM
7:38 PM - 10:08 PM

Minor Periods

3:04 PM - 4:34 PM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Thursday, July 23, 2026

Weather Forecast

Sunny
88.8°F
52.4°F
68.8°F
59%
0 in
3%
0%
11.4 mph
8.5


Air Quality

AQI: 1 - Good
PM2.5: 6.5 μg/m3
PM10: 8.41 μg/m3
Carbon Monoxide: 102.97 μg/m3
Nitrogen Dioxide: 1.63 μg/m3
Sulphur Dioxide: 0.8 μg/m3
Ozone: 64.21 μg/m3

Astronomical

Sunrise: 5:49 AM
Sun Transit: 1:18 PM
Sunset: 8:48 PM
Daylight: 15 hrs mins
Moonrise: 4:40 PM
Moon Transit: 8:56 PM
Moonset: 12:37 AM
Moon Phase: First Quarter
Moon Illumination: 66.1%

Best Times for Fishing or Hunting

Major Periods

3:30 AM - 6:00 AM
8:26 PM - 10:56 PM

Minor Periods

4:10 PM - 5:40 PM
12:07 AM - 1:37 AM

Action Rating: 4 out of 5

Friday, July 24, 2026

Weather Forecast

Sunny
86.5°F
47.6°F
66.7°F
59%
0 in
3%
0%
7.2 mph
8


Air Quality

AQI: 1 - Good
PM2.5: 4.38 μg/m3
PM10: 5.68 μg/m3
Carbon Monoxide: 117.17 μg/m3
Nitrogen Dioxide: 1.43 μg/m3
Sulphur Dioxide: 0.88 μg/m3
Ozone: 58.5 μg/m3

Astronomical

Sunrise: 5:50 AM
Sun Transit: 1:18 PM
Sunset: 8:47 PM
Daylight: 14 hrs 58 mins
Moonrise: 5:42 PM
Moon Transit: 9:46 PM
Moonset: 1:09 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 76.3%

Best Times for Fishing or Hunting

Major Periods

4:18 AM - 6:48 AM
9:16 PM - 11:46 PM

Minor Periods

5:12 PM - 6:42 PM
12:39 AM - 2:09 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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