Water Temperature of the Santiam River in Jefferson, OR

Current Water Temperature

65.8°F

Measurement Time: Friday, July 17, 2026, 6:30 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

57.9°F
Clear
Clear
59.2°F
57.7°F
84%
W 2.2 mph
6.7 mph
57.5°F
51.7°F
0 in
0%
9 mi
1019 mbar
0

Five Day Weather Forecast

Sunny
Sat
H: 86°F
L: 55°F
Sunny
Sun
H: 89°F
L: 50°F
Sunny
Mon
H: 92°F
L: 58°F
Partly Cloudy
Tue
H: 98°F
L: 64°F
Sunny
Wed
H: 93°F
L: 64°F

Air Quality

AQI: 1 - Good
PM2.5: 3.1 μg/m3
PM10: 4 μg/m3
Carbon Monoxide: 119 μg/m3
Nitrogen Dioxide: 6 μg/m3
Sulphur Dioxide: 0.6 μg/m3
Ozone: 31 μg/m3

Astronomical

Sunrise: 5:44 AM
Sun Transit: 1:18 PM
Sunset: 8:53 PM
Daylight: 15 hrs 9 mins
Moonrise: 10:59 AM
Moon Transit: 5:11 PM
Moonset: 11:11 PM
Moon Phase: Waxing Crescent
Moon Illumination: 13.9%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
4:41 PM - 7:11 PM

Minor Periods

12:00 AM - 12:00 AM
10:29 AM - 11:59 AM

Action Rating: 2 out of 5

Small Craft Advisory issued July 17 at 12:32PM PDT until July 19 at 11:00AM PDT by NWS Portland OR

Effective: Fri July 17, 2026, 12:32 PM
Expires: Sat July 18, 2026, 4:45 AM

* WHAT...Seas 5 to 7 ft at 9 to 10 seconds and north winds 10 to 20 kt with gusts up to 25 kt expected. * WHERE...Coastal waters from Cape Foulweather to Florence OR out 10 NM. * WHEN...From 11 AM Saturday to 11 AM PDT Sunday. * 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 17 at 10:07AM PDT until July 19 at 5:00AM PDT by NWS Portland OR

Effective: Fri July 17, 2026, 10:07 AM
Expires: Sat July 18, 2026, 2:15 AM

* WHAT...Seas 4 to 7 ft at 10 seconds and north winds 10 to 20 kt with gusts up to 25 kt expected. * WHERE...Coastal waters from Cape Foulweather to Florence OR out 10 NM. * WHEN...From 11 AM Saturday to 5 AM PDT Sunday. * 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 18 at 12:38AM PDT until July 20 at 2:00AM PDT by NWS Portland OR

Effective: Sat July 18, 2026, 12:38 AM
Expires: Sat July 18, 2026, 4:45 PM

* WHAT...Seas 5 to 8 ft at 10 seconds and north winds 10 to 20 kt with gusts up to 30 kt expected. * WHERE...Coastal waters from Cape Foulweather to Florence OR out 10 NM. * WHEN...From 11 AM this morning to 2 AM PDT Monday. * IMPACTS...Conditions will be hazardous to small craft.

Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions.
Saturday, July 18, 2026

Weather Forecast

Sunny
85.9°F
54.9°F
68.9°F
57%
0 in
3%
0%
8.7 mph
8.1


Air Quality

AQI: 1 - Good
PM2.5: 3.34 μg/m3
PM10: 4.38 μg/m3
Carbon Monoxide: 108.13 μg/m3
Nitrogen Dioxide: 2.95 μg/m3
Sulphur Dioxide: 0.44 μg/m3
Ozone: 54.17 μg/m3

Astronomical

Sunrise: 5:44 AM
Sun Transit: 1:18 PM
Sunset: 8:53 PM
Daylight: 15 hrs 9 mins
Moonrise: 10:59 AM
Moon Transit: 5:11 PM
Moonset: 11:11 PM
Moon Phase: Waxing Crescent
Moon Illumination: 13.9%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
4:41 PM - 7:11 PM

Minor Periods

12:00 AM - 12:00 AM
10:29 AM - 11:59 AM

Action Rating: 2 out of 5

Sunday, July 19, 2026

Weather Forecast

Sunny
89°F
50.3°F
69.1°F
55%
0 in
3%
0%
10.3 mph
8.7


Air Quality

AQI: 1 - Good
PM2.5: 4.6 μg/m3
PM10: 6.09 μg/m3
Carbon Monoxide: 105.92 μg/m3
Nitrogen Dioxide: 1.96 μg/m3
Sulphur Dioxide: 0.57 μg/m3
Ozone: 66.17 μg/m3

Astronomical

Sunrise: 5:45 AM
Sun Transit: 1:18 PM
Sunset: 8:52 PM
Daylight: 15 hrs 7 mins
Moonrise: 12:10 AM
Moon Transit: 5:55 PM
Moonset: 12:11 AM
Moon Phase: Waxing Crescent
Moon Illumination: 22.6%

Best Times for Fishing or Hunting

Major Periods

12:31 AM - 3:01 AM
5:25 PM - 7:55 PM

Minor Periods

11:40 AM - 1:10 PM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Monday, July 20, 2026

Weather Forecast

Sunny
91.5°F
58.4°F
74.2°F
50%
0 in
3%
0%
5.4 mph
8.7


Air Quality

AQI: 1 - Good
PM2.5: 6.31 μg/m3
PM10: 8.29 μg/m3
Carbon Monoxide: 114.96 μg/m3
Nitrogen Dioxide: 2.65 μg/m3
Sulphur Dioxide: 0.67 μg/m3
Ozone: 65.17 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

Partly Cloudy
97.9°F
64.3°F
79.1°F
46%
0 in
3%
0%
4.5 mph
9.1


Air Quality

AQI: 1 - Good
PM2.5: 7.93 μg/m3
PM10: 10.92 μg/m3
Carbon Monoxide: 116.17 μg/m3
Nitrogen Dioxide: 1.88 μg/m3
Sulphur Dioxide: 0.8 μg/m3
Ozone: 66.83 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
93.3°F
63.8°F
75.1°F
49%
0.01 in
17%
0%
5.1 mph
8


Air Quality

AQI: 1 - Good
PM2.5: 9.58 μg/m3
PM10: 13.55 μg/m3
Carbon Monoxide: 116 μg/m3
Nitrogen Dioxide: 2.88 μg/m3
Sulphur Dioxide: 0.88 μg/m3
Ozone: 51.5 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

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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