Water Temperature of the North Santiam River in Jefferson, OR
Current Water Temperature
Measurement Time: Wednesday, April 15, 2026, 10:00 AM PDT
Temperature Locations
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Station Name: NORTH SANTIAM R AT GREENS BRIDGE, NR JEFFERSON, OR
Data Source: Water Data - usgc.gov
Elevation Above Sea Level: 266 feet
Nearest Address:
35801 Jefferson-Scio Dr
Jefferson, OR 97352
Linn County
GPS Coordinates: 44.70789976, -122.9728698
Nearby Water Temperatures
Santiam River, Jefferson, OR (4.3 mi)Willamette River , Albany, OR (8.1 mi)
North Santiam River, Mehama, OR (15.3 mi)
South Santiam River, Waterloo, OR (16.2 mi)
Little North Santiam River, Lyons, OR (20.2 mi)
South Santiam River, Sweet Home, OR (24.8 mi)
Middle Santiam River, Foster, OR (27.5 mi)
Quartzville Creek, Cascadia, OR (28.8 mi)
Long Tom River, Monroe, OR (31.6 mi)
Willamette River , Harrisburg, OR (31.8 mi)
South Santiam River, Cascadia, OR (32 mi)
Middle Santiam River, Cascadia, OR (32.4 mi)
North Santiam River, Niagara, OR (33.3 mi)
Detroit Lake, Detroit, OR (35.7 mi)
Willamette River, West Linn, OR (39.8 mi)
Weather for Jefferson, Oregon
Current Weather

Five Day Weather Forecast

Wed
H: 50°F
L: 39°F

Thu
H: 52°F
L: 35°F

Fri
H: 58°F
L: 37°F

Sat
H: 64°F
L: 38°F

Sun
H: 65°F
L: 45°F
Air Quality
Nitrogen Dioxide: 3.45 μg/m3
Sulphur Dioxide: 1.35 μg/m3
Ozone: 75 μg/m3
Astronomical
Sun Transit: 1:11 PM
Sunset: 7:57 PM
Daylight: 13 hrs 30 mins
Moon Transit: 8:33 AM
Moonset: 6:14 PM
Moon Phase: Waning Crescent
Moon Illumination: 0.1%
Best Times for Fishing or Hunting
Major Periods
8:03 AM - 10:33 AM8:03 AM - 10:33 AM
Minor Periods
5:44 PM - 7:14 PM4:56 AM - 6:26 AM
Action Rating: 3 out of 5
Frost Advisory issued April 15 at 12:39AM PDT until April 16 at 9:00AM PDT by NWS Portland OR
Effective: Wed April 15, 2026, 12:39 AM
Expires: Wed April 15, 2026, 2:00 PM
* WHAT...Temperatures as low as 33 to 36 degrees will result in frost formation. * WHERE...Central and Southern Willamette Valley, Northern and Central Coast Range Valleys and Mountains of Oregon, Tualatin Valley, Clackamas County Cascade Foothills, Cowlitz County Lowlands, North Clark County Lowlands, and South Washington Cascade Foothills. * WHEN...From 1 AM to 9 AM PDT Thursday. * IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive outdoor plants may be killed if left uncovered.
Take steps now to protect tender outdoor plants from the cold. Consider temporarily moving outdoor potted plants indoors if they are sensitive to cold temperatures. Consider temporarily covering sensitive plants with a lightweight cotton fabric (i.e., bedsheets, thin blankets), as this will help retain heat and provide frost protection for your plants.
Frost Advisory issued April 15 at 10:50AM PDT until April 16 at 9:00AM PDT by NWS Portland OR
Effective: Wed April 15, 2026, 10:50 AM
Expires: Thu April 16, 2026, 1:00 AM
* WHAT...Temperatures of 32 to 36 degrees will result in frost formation. * WHERE...Central and Southern Willamette Valley, Northern and Central Coast Range Valleys and Mountains of Oregon, Tualatin Valley, Clackamas County Cascade Foothills, Cowlitz County Lowlands, North Clark County Lowlands, and South Washington Cascade Foothills. * WHEN...From 1 AM to 9 AM PDT Thursday. * IMPACTS...Frost could harm sensitive outdoor vegetation.
Take steps now to protect tender outdoor plants from the cold. Consider temporarily moving outdoor potted plants indoors if they are sensitive to cold temperatures, or temporarily covering sensitive plants with a lightweight cotton fabric (i.e., bedsheets, thin blankets), as this will help retain heat and provide frost protection for your plants.
Winter Storm Warning issued April 15 at 12:39AM PDT until April 16 at 5:00AM PDT by NWS Portland OR
Effective: Wed April 15, 2026, 12:39 AM
Expires: Wed April 15, 2026, 2:00 PM
* WHAT...Heavy snow above 2500 ft. Total snow accumulations between 12 to 22 inches. Winds could gust as high as 45 mph. * WHERE...South Washington Cascades and the Northern and Central Cascades of Oregon. * WHEN...Until 5 AM PDT Thursday. * IMPACTS...Roads, and especially bridges and overpasses, will likely become slick and hazardous.
Consider postponing travel until weather conditions improve. If you must travel, be sure to slow down and allow extra time. If your car becomes trapped in deep snow, be sure to keep your car off to stay safe from potential carbon monoxide poisoning. Be aware that walking surfaces may be slick. Walk with extra care. Backcountry recreation is not advised.
Freeze Watch issued April 15 at 12:39AM PDT until April 16 at 9:00AM PDT by NWS Portland OR
Effective: Wed April 15, 2026, 12:39 AM
Expires: Wed April 15, 2026, 2:00 PM
* WHAT...Sub-freezing temperatures as low as 28 to 32 possible. * WHERE...Cascade Foothills of Marion and Linn Counties and Lane County Cascade Foothills. * WHEN...From late tonight through Thursday morning. * IMPACTS...Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing.
To prevent water pipes from freezing; wrap or drain or allow them to drip slowly.
Freeze Watch issued April 15 at 10:50AM PDT until April 17 at 9:00AM PDT by NWS Portland OR
Effective: Wed April 15, 2026, 10:50 AM
Expires: Thu April 16, 2026, 1:00 AM
* WHAT...For the Frost Advisory, temperatures of 32 to 36 degrees will result in frost formation. For the Freeze Watch, sub-freezing temperatures as low as 30 degrees possible. * WHERE...Cascade Foothills of Marion and Linn Counties and Lane County Cascade Foothills. * WHEN...For the Frost Advisory, from 1 AM to 9 AM PDT Thursday. For the Freeze Watch, from 1 AM to 9 AM PDT Friday. * IMPACTS...Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing.
To prevent water pipes from freezing; wrap or drain or allow them to drip slowly. Take steps now to protect tender outdoor plants from the cold. Consider temporarily moving outdoor potted plants indoors if they are sensitive to cold temperatures, or temporarily covering sensitive plants with a lightweight cotton fabric (i.e., bedsheets, thin blankets), as this will help retain heat and provide frost protection for your plants.
Weather Forecast
Air Quality
Nitrogen Dioxide: 1.91 μg/m3
Sulphur Dioxide: 1.16 μg/m3
Ozone: 83.4 μg/m3
Astronomical
Sun Transit: 1:11 PM
Sunset: 7:57 PM
Daylight: 13 hrs 30 mins
Moon Transit: 8:33 AM
Moonset: 6:14 PM
Moon Phase: Waning Crescent
Moon Illumination: 0.1%
Best Times for Fishing or Hunting
Major Periods
8:03 AM - 10:33 AM8:03 AM - 10:33 AM
Minor Periods
5:44 PM - 7:14 PM4:56 AM - 6:26 AM
Action Rating: 3 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 2.72 μg/m3
Sulphur Dioxide: 1.26 μg/m3
Ozone: 73.36 μg/m3
Astronomical
Sun Transit: 1:11 PM
Sunset: 7:59 PM
Daylight: 13 hrs 33 mins
Moon Transit: 12:31 AM
Moonset: 7:33 PM
Moon Phase: New
Moon Illumination: 0.8%
Best Times for Fishing or Hunting
Major Periods
7:54 PM - 10:24 PM12:01 AM - 2:31 PM
Minor Periods
7:03 PM - 8:33 PM5:16 AM - 6:46 AM
Action Rating: 5 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 6.31 μg/m3
Sulphur Dioxide: 1.54 μg/m3
Ozone: 64.48 μg/m3
Astronomical
Sun Transit: 1:11 PM
Sunset: 8:00 PM
Daylight: 13 hrs 36 mins
Moon Transit: 1:24 PM
Moonset: 8:56 PM
Moon Phase: New
Moon Illumination: 4.1%
Best Times for Fishing or Hunting
Major Periods
8:47 PM - 11:17 PM12:54 AM - 3:24 PM
Minor Periods
8:26 PM - 9:56 PM5:40 AM - 7:10 AM
Action Rating: 4 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 10.49 μg/m3
Sulphur Dioxide: 2.12 μg/m3
Ozone: 61.08 μg/m3
Astronomical
Sun Transit: 1:11 PM
Sunset: 8:01 PM
Daylight: 13 hrs 39 mins
Moon Transit: 2:21 PM
Moonset: 10:21 PM
Moon Phase: New
Moon Illumination: 1.2%
Best Times for Fishing or Hunting
Major Periods
12:00 AM - 12:00 AM1:51 PM - 4:21 PM
Minor Periods
9:51 PM - 11:21 PM6:08 AM - 7:38 AM
Action Rating: 4 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 8.71 μg/m3
Sulphur Dioxide: 1.65 μg/m3
Ozone: 53.23 μg/m3
Astronomical
Sun Transit: 1:10 PM
Sunset: 8:02 PM
Daylight: 13 hrs 42 mins
Moon Transit: 3:22 PM
Moonset: 11:43 PM
Moon Phase: Waxing Crescent
Moon Illumination: 4.9%
Best Times for Fishing or Hunting
Major Periods
12:00 AM - 12:00 AM2:52 PM - 5:22 PM
Minor Periods
12:00 AM - 12:00 AM6:44 AM - 8:14 AM
Action Rating: 3 out of 5
