Water Temperature of the Santiam River in Jefferson, OR

Current Water Temperature

66.0°F

Measurement Time: Wednesday, July 8, 2026, 5:30 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

79°F
Sunny
Sunny
80°F
81.1°F
47%
N 7.4 mph
8.5 mph
80.2°F
59.1°F
0 in
0%
9 mi
1022 mbar
8.2

Five Day Weather Forecast

Sunny
Wed
H: 86°F
L: 52°F
Sunny
Thu
H: 83°F
L: 45°F
Sunny
Fri
H: 82°F
L: 51°F
Sunny
Sat
H: 75°F
L: 49°F
Sunny
Sun
H: 83°F
L: 43°F

Air Quality

AQI: 1 - Good
PM2.5: 1.7 μg/m3
PM10: 2.3 μg/m3
Carbon Monoxide: 96 μg/m3
Nitrogen Dioxide: 0.6 μg/m3
Sulphur Dioxide: 0.3 μg/m3
Ozone: 52 μg/m3

Astronomical

Sunrise: 5:35 AM
Sun Transit: 1:17 PM
Sunset: 8:59 PM
Daylight: 15 hrs 24 mins
Moonrise: 12:34 AM
Moon Transit: 7:38 AM
Moonset: 2:58 PM
Moon Phase: Last Quarter
Moon Illumination: 26.8%

Best Times for Fishing or Hunting

Major Periods

7:08 AM - 9:38 AM
2:59 PM - 5:29 PM

Minor Periods

2:28 PM - 3:58 PM
12:04 AM - 1:34 AM

Action Rating: 2 out of 5

Small Craft Advisory issued July 8 at 8:47AM PDT until July 9 at 2:00AM PDT by NWS Portland OR

Effective: Wed July 8, 2026, 8:47 AM
Expires: Thu July 9, 2026, 1:00 AM

* WHAT...Seas 5 to 6 ft at 9 seconds and north winds 15 to 20 kt with gusts up to 25 kt expected. * WHERE...Coastal waters from Cape Foulweather to Florence OR out 10 NM and Waters from Cape Foulweather to Florence OR from 10 to 60 NM. * WHEN...From 3 PM this afternoon to 2 AM PDT Thursday. * IMPACTS...Conditions will be hazardous to small craft.

Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions.
Wednesday, July 8, 2026

Weather Forecast

Sunny
85.6°F
52.2°F
68.5°F
62%
0 in
4%
0%
8.9 mph
8.2


Air Quality

AQI: 1 - Good
PM2.5: 3.2 μg/m3
PM10: 4.66 μg/m3
Carbon Monoxide: 100.71 μg/m3
Nitrogen Dioxide: 1.58 μg/m3
Sulphur Dioxide: 0.43 μg/m3
Ozone: 45.42 μg/m3

Astronomical

Sunrise: 5:35 AM
Sun Transit: 1:17 PM
Sunset: 8:59 PM
Daylight: 15 hrs 24 mins
Moonrise: 12:34 AM
Moon Transit: 7:38 AM
Moonset: 2:58 PM
Moon Phase: Last Quarter
Moon Illumination: 26.8%

Best Times for Fishing or Hunting

Major Periods

7:08 AM - 9:38 AM
2:59 PM - 5:29 PM

Minor Periods

2:28 PM - 3:58 PM
12:04 AM - 1:34 AM

Action Rating: 2 out of 5

Thursday, July 9, 2026

Weather Forecast

Sunny
82.8°F
45.1°F
63.6°F
51%
0 in
2%
0%
8.3 mph
8.9


Air Quality

AQI: 1 - Good
PM2.5: 5.41 μg/m3
PM10: 7.93 μg/m3
Carbon Monoxide: 98.79 μg/m3
Nitrogen Dioxide: 2.5 μg/m3
Sulphur Dioxide: 0.66 μg/m3
Ozone: 50.25 μg/m3

Astronomical

Sunrise: 5:36 AM
Sun Transit: 1:17 PM
Sunset: 8:59 PM
Daylight: 15 hrs 23 mins
Moonrise: 12:59 AM
Moon Transit: 8:30 AM
Moonset: 4:18 PM
Moon Phase: Last Quarter
Moon Illumination: 17.4%

Best Times for Fishing or Hunting

Major Periods

8:00 AM - 10:30 AM
3:53 PM - 6:23 PM

Minor Periods

3:48 PM - 5:18 PM
12:29 AM - 1:59 AM

Action Rating: 2 out of 5

Friday, July 10, 2026

Weather Forecast

Sunny
82.4°F
50.5°F
64.8°F
66%
0 in
5%
0%
12.8 mph
8.5


Air Quality

AQI: 1 - Good
PM2.5: 4.53 μg/m3
PM10: 6.62 μg/m3
Carbon Monoxide: 99.13 μg/m3
Nitrogen Dioxide: 2.19 μg/m3
Sulphur Dioxide: 0.59 μg/m3
Ozone: 39.58 μg/m3

Astronomical

Sunrise: 5:36 AM
Sun Transit: 1:17 PM
Sunset: 8:58 PM
Daylight: 15 hrs 22 mins
Moonrise: 1:30 AM
Moon Transit: 9:28 AM
Moonset: 5:40 PM
Moon Phase: Waning Crescent
Moon Illumination: 9.7%

Best Times for Fishing or Hunting

Major Periods

8:58 AM - 11:28 AM
4:53 PM - 7:23 PM

Minor Periods

5:10 PM - 6:40 PM
1:00 AM - 2:30 AM

Action Rating: 2 out of 5

Saturday, July 11, 2026

Weather Forecast

Sunny
74.5°F
48.7°F
60.9°F
68%
0 in
7%
0%
11 mph
9


Air Quality

AQI: 1 - Good
PM2.5: 3.61 μg/m3
PM10: 5.02 μg/m3
Carbon Monoxide: 94.19 μg/m3
Nitrogen Dioxide: 2.72 μg/m3
Sulphur Dioxide: 0.78 μg/m3
Ozone: 34.42 μg/m3

Astronomical

Sunrise: 5:37 AM
Sun Transit: 1:17 PM
Sunset: 8:58 PM
Daylight: 15 hrs 20 mins
Moonrise: 2:13 AM
Moon Transit: 10:31 AM
Moonset: 6:58 PM
Moon Phase: Waning Crescent
Moon Illumination: 4.1%

Best Times for Fishing or Hunting

Major Periods

5:57 PM - 8:27 PM
10:01 AM - 12:31 AM

Minor Periods

6:28 PM - 7:58 PM
1:43 AM - 3:13 AM

Action Rating: 2 out of 5

Sunday, July 12, 2026

Weather Forecast

Sunny
82.5°F
43.3°F
61.9°F
56%
0 in
2%
0%
8.9 mph
7


Air Quality

AQI: 1 - Good
PM2.5: 5.73 μg/m3
PM10: 8.63 μg/m3
Carbon Monoxide: 99 μg/m3
Nitrogen Dioxide: 3.43 μg/m3
Sulphur Dioxide: 0.68 μg/m3
Ozone: 37.17 μg/m3

Astronomical

Sunrise: 5:38 AM
Sun Transit: 1:17 PM
Sunset: 8:57 PM
Daylight: 15 hrs 19 mins
Moonrise: 3:09 AM
Moon Transit: 11:37 AM
Moonset: 8:05 PM
Moon Phase: Waning Crescent
Moon Illumination: 0.8%

Best Times for Fishing or Hunting

Major Periods

7:04 PM - 9:34 PM
11:07 AM - 1:37 PM

Minor Periods

7:35 PM - 9:05 PM
2:39 AM - 4:09 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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