Water Temperature of the Santiam River in Jefferson, OR

Current Water Temperature

68.2°F

Measurement Time: Saturday, July 18, 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

63°F
Clear
Clear
63°F
62.4°F
72%
NNW 3.8 mph
8 mph
62.4°F
53.5°F
0 in
0%
6 mi
1019 mbar
0

Five Day Weather Forecast

Sunny
Sun
H: 92°F
L: 58°F
Partly Cloudy
Mon
H: 90°F
L: 59°F
Sunny
Tue
H: 100°F
L: 64°F
Patchy rain nearby
Wed
H: 92°F
L: 61°F
Sunny
Thu
H: 92°F
L: 51°F

Air Quality

AQI: 1 - Good
PM2.5: 3.7 μg/m3
PM10: 4.7 μg/m3
Carbon Monoxide: 106 μg/m3
Nitrogen Dioxide: 4.1 μg/m3
Sulphur Dioxide: 0.6 μg/m3
Ozone: 44 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

Small Craft Advisory issued July 18 at 1:38PM PDT until July 20 at 2:00AM PDT by NWS Portland OR

Effective: Sat July 18, 2026, 1:38 PM
Expires: Sun July 19, 2026, 5:45 AM

* WHAT...Seas 5 to 8 ft at 10 seconds and north winds 10 to 20 kt with gusts up to 30 kt. * WHERE...Coastal waters from Cape Foulweather to Florence OR out 10 NM. * WHEN...Until 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.


Small Craft Advisory issued July 19 at 12:50AM PDT until July 20 at 5:00AM PDT by NWS Portland OR

Effective: Sun July 19, 2026, 12:50 AM
Expires: Sun July 19, 2026, 5:00 PM

* WHAT...Seas 5 to 7 ft at 8 seconds and north winds 10 to 20 kt with gusts up to 30 kt. * WHERE...Coastal waters from Cape Foulweather to Florence OR out 10 NM. * WHEN...Until 5 AM PDT Monday. * IMPACTS...Conditions will be hazardous to small craft.

Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions.
Sunday, July 19, 2026

Weather Forecast

Sunny
92.3°F
58.1°F
72.9°F
54%
0 in
3%
0%
9.8 mph
8.8


Air Quality

AQI: 1 - Good
PM2.5: 3.53 μg/m3
PM10: 4.51 μg/m3
Carbon Monoxide: 105.58 μg/m3
Nitrogen Dioxide: 2.22 μg/m3
Sulphur Dioxide: 0.58 μg/m3
Ozone: 65.75 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

Partly Cloudy
90.4°F
59.2°F
72.4°F
54%
0 in
4%
0%
4.3 mph
7.6


Air Quality

AQI: 1 - Good
PM2.5: 6.32 μg/m3
PM10: 8.07 μg/m3
Carbon Monoxide: 116.08 μg/m3
Nitrogen Dioxide: 3.43 μg/m3
Sulphur Dioxide: 0.69 μg/m3
Ozone: 66.5 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
99.7°F
63.5°F
79.9°F
46%
0 in
2%
0%
8.5 mph
7.2


Air Quality

AQI: 1 - Good
PM2.5: 7.55 μg/m3
PM10: 8.97 μg/m3
Carbon Monoxide: 131.5 μg/m3
Nitrogen Dioxide: 4.47 μg/m3
Sulphur Dioxide: 0.84 μg/m3
Ozone: 71.88 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

Patchy rain nearby
91.8°F
61.4°F
74.4°F
54%
0.1 in
57%
0%
10.5 mph
8.9


Air Quality

AQI: 1 - Good
PM2.5: 8.11 μg/m3
PM10: 10.98 μg/m3
Carbon Monoxide: 132.97 μg/m3
Nitrogen Dioxide: 2.32 μg/m3
Sulphur Dioxide: 0.93 μg/m3
Ozone: 68.08 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
91.9°F
51.4°F
70.7°F
61%
0 in
4%
0%
12.5 mph
8


Air Quality

AQI: 1 - Good
PM2.5: 6.28 μg/m3
PM10: 8.52 μg/m3
Carbon Monoxide: 112.67 μg/m3
Nitrogen Dioxide: 2.13 μg/m3
Sulphur Dioxide: 0.88 μg/m3
Ozone: 63.5 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

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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