Water Temperature of the Santiam River in Jefferson, OR

Current Water Temperature

47.8°F

Measurement Time: Monday, December 22, 2025, 6:30 PM PST

Temperature Locations

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Local Points of Interest

Santium River Rest Area

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Santiam River

Station Name: SANTIAM RIVER NEAR JEFFERSON, OR
Data Source: Water Data - usgc.gov

Elevation Above Sea Level: 203 feet / 62 meters

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 (20.0 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 (38.0 mi)
Detroit Lake, Detroit, OR (39.5 mi)

Weather for Jefferson, Oregon

Current Weather

43.3°F
Light rain
Conditions: Light rain
Humidity: 100%
Feels Like: 42.2°F
Wind: SSE 2.9 mph
Wind Gusts: 4.3 mph
Pressure: 29.9 in
Precipitation: 0 in
Cloud Cover: 100%
Visibility: 2 mi
UV Index: 0

Five Day Weather Forecast

Patchy rain nearby
Tue
H: 50°F
L: 41°F
Heavy rain
Wed
H: 50°F
L: 41°F
Patchy rain nearby
Thu
H: 50°F
L: 39°F
Patchy rain nearby
Fri
H: 45°F
L: 39°F
Patchy rain nearby
Sat
H: 46°F
L: 35°F

Air Quality

AQI: 1 - Good
PM2.5: 8.05 μg/m3
PM10: 9.55 μg/m3
Carbon Monoxide: 224.85 μg/m3
Nitrogen Dioxide: 11.85 μg/m3
Sulphur Dioxide: 1.95 μg/m3
Ozone: 37 μg/m3

Astronomical

Sunrise: 7:47 AM
Sun Transit: 12:11 AM
Sunset: 4:36 PM
Daylight: 8 hrs 48 mins
Moonrise: 10:30 AM
Moon Transit: 3:19 PM
Moonset: 8:17 PM
Moon Phase: Waxing Crescent
Moon Illumination: 11.7%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
2:49 PM - 5:19 PM

Minor Periods

7:47 PM - 9:17 PM
10:00 AM - 11:30 AM

Action Rating: 2 out of 5

Wind Advisory issued December 22 at 9:15PM PST until December 24 at 4:00PM PST by NWS Portland OR

Effective: Mon December 22, 2025, 9:15 PM
Expires: Tue December 23, 2025, 12:00 PM

* WHAT...South winds 10 to 25 mph with gusts up to 55 mph expected. * WHERE...Greater Portland/Vancouver Metro, Central and Southern Willamette Valley, Northern and Central Coast Range Valleys and Mountains of Oregon, Foothills of the Northern and Central Oregon Cascades, Willapa Hills and Adjacent River Valleys of Pacific and Wahkiakum Counties, Lower Columbia River and Cowlitz River Valleys, and South Washington Cascade Foothills. * WHEN...From 7 AM to 4 PM PST Wednesday. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result.

Winds this strong can make driving difficult, especially for high profile vehicles. Use extra caution. Secure outdoor objects. Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects such as garbage cans and other objects that can easily blow around.


Flood Warning issued December 22 at 2:24PM PST until December 23 at 7:36AM PST by NWS Portland OR

Effective: Mon December 22, 2025, 2:24 PM
Expires: Tue December 23, 2025, 7:45 AM

...The Flood Warning is extended for the following rivers in Oregon... Pudding River at Aurora affecting Clackamas and Marion Counties. * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...Pudding River at Aurora. * WHEN...Until Tuesday morning. * IMPACTS...Above 22.0 feet, expect minor flooding of low-lying agricultural lands and access roads along the river. * ADDITIONAL DETAILS... - At 2:00 PM PST Monday the stage was 22.3 feet. - Bankfull stage is 21.0 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 2:00 PM PST Monday was 24.0 feet. - Forecast...The river is expected to fall below flood stage late tonight and continue falling to 12.7 feet Thursday, January 01. - Flood stage is 22.0 feet. - http://www.weather.gov/safety/flood

Be especially cautious at night when it is harder to recognize the dangers of flooding. Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Motorists should not attempt to drive around barricades or drive through flooded areas. Additional information is available at www.weather.gov. The next statement will be issued Tuesday morning at 745 AM PST.


Tuesday, December 23, 2025

Weather Forecast

Conditions: Patchy rain nearby
Average Temperature: 44.6°F
Average Humidity: 93%
Chance of Rain: 87%
Wind: 6.3 mph
UV Index: 0.1

Air Quality

AQI: 1 - Good
PM2.5: 5.09 μg/m3
PM10: 6.35 μg/m3
Carbon Monoxide: 171.69 μg/m3
Nitrogen Dioxide: 6.01 μg/m3
Sulphur Dioxide: 1.72 μg/m3
Ozone: 59.44 μg/m3

Astronomical

Sunrise: 7:47 AM
Sun Transit: 12:11 AM
Sunset: 4:36 PM
Daylight: 8 hrs 48 mins
Moonrise: 10:30 AM
Moon Transit: 3:19 PM
Moonset: 8:17 PM
Moon Phase: Waxing Crescent
Moon Illumination: 11.7%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
2:49 PM - 5:19 PM

Minor Periods

7:47 PM - 9:17 PM
10:00 AM - 11:30 AM

Action Rating: 2 out of 5

Wednesday, December 24, 2025

Weather Forecast

Conditions: Heavy rain
Average Temperature: 43.9°F
Average Humidity: 93%
Chance of Rain: 86%
Wind: 16.8 mph
UV Index: 0.1

Air Quality

AQI: 1 - Good
PM2.5: 4.83 μg/m3
PM10: 5.33 μg/m3
Carbon Monoxide: 173.85 μg/m3
Nitrogen Dioxide: 11.64 μg/m3
Sulphur Dioxide: 2.17 μg/m3
Ozone: 42.2 μg/m3

Astronomical

Sunrise: 7:48 AM
Sun Transit: 12:12 AM
Sunset: 4:37 PM
Daylight: 8 hrs 49 mins
Moonrise: 10:53 AM
Moon Transit: 4:04 PM
Moonset: 9:27 PM
Moon Phase: Waxing Crescent
Moon Illumination: 19.9%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
3:34 PM - 6:04 PM

Minor Periods

8:57 PM - 10:27 PM
10:23 AM - 11:53 AM

Action Rating: 2 out of 5

Thursday, December 25, 2025

Weather Forecast

Conditions: Patchy rain nearby
Average Temperature: 42.1°F
Average Humidity: 94%
Chance of Rain: 81%
Wind: 8.1 mph
UV Index: 0.1

Air Quality

AQI: 1 - Good
PM2.5: 4.68 μg/m3
PM10: 5.28 μg/m3
Carbon Monoxide: 215.89 μg/m3
Nitrogen Dioxide: 11.45 μg/m3
Sulphur Dioxide: 1.93 μg/m3
Ozone: 40 μg/m3

Astronomical

Sunrise: 7:48 AM
Sun Transit: 12:12 AM
Sunset: 4:37 PM
Daylight: 8 hrs 49 mins
Moonrise: 11:12 AM
Moon Transit: 4:49 PM
Moonset: 10:38 PM
Moon Phase: Waxing Crescent
Moon Illumination: 29.7%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
4:19 PM - 6:49 PM

Minor Periods

10:08 PM - 11:38 PM
10:42 AM - 12:12 AM

Action Rating: 3 out of 5

Friday, December 26, 2025

Weather Forecast

Conditions: Patchy rain nearby
Average Temperature: 42.2°F
Average Humidity: 92%
Chance of Rain: 86%
Wind: 3.8 mph
UV Index: 0

Air Quality

AQI: 1 - Good
PM2.5: 6.21 μg/m3
PM10: 7.46 μg/m3
Carbon Monoxide: 172.84 μg/m3
Nitrogen Dioxide: 11.61 μg/m3
Sulphur Dioxide: 1.79 μg/m3
Ozone: 45.08 μg/m3

Astronomical

Sunrise: 7:48 AM
Sun Transit: 12:13 AM
Sunset: 4:38 PM
Daylight: 8 hrs 49 mins
Moonrise: 11:30 AM
Moon Transit: 12:00 AM
Moonset: 11:50 PM
Moon Phase: First Quarter
Moon Illumination: 40.5%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
12:08 AM - 2:38 AM

Minor Periods

12:00 AM - 12:00 AM
11:00 AM - 12:30 AM

Action Rating: 2 out of 5

Saturday, December 27, 2025

Weather Forecast

Conditions: Patchy rain nearby
Average Temperature: 40.9°F
Average Humidity: 89%
Chance of Rain: 85%
Wind: 4.5 mph
UV Index: 0

Air Quality

AQI: 1 - Good
PM2.5: 4.58 μg/m3
PM10: 6.33 μg/m3
Carbon Monoxide: 160.07 μg/m3
Nitrogen Dioxide: 3.92 μg/m3
Sulphur Dioxide: 1.51 μg/m3
Ozone: 66.23 μg/m3

Astronomical

Sunrise: 7:49 AM
Sun Transit: 12:13 AM
Sunset: 4:39 PM
Daylight: 8 hrs 50 mins
Moonrise: 11:49 AM
Moon Transit: 1:23 AM
Moonset: 12:50 AM
Moon Phase: First Quarter
Moon Illumination: 51.8%

Best Times for Fishing or Hunting

Major Periods

12:53 AM - 3:23 AM
12:53 AM - 3:23 AM

Minor Periods

11:19 AM - 12:49 AM
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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