Water Temperature of the Santiam River in Jefferson, OR
Current Water Temperature
Measurement Time: Monday, July 14, 2025, 7:30 AM PDT
Temperature Locations
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Local Points of Interest
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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

Humidity: 42%
Feels Like: 88.1°F
Wind: NNW 10.3 mph
Wind Gusts: 11.8 mph
Precipitation: 0 in
Cloud Cover: 0%
Visibility: 9 mi
UV Index: 7.8
Five Day Weather Forecast

Mon
H: 88°F
L: 56°F

Tue
H: 90°F
L: 52°F

Wed
H: 97°F
L: 58°F

Thu
H: 88°F
L: 53°F

Fri
H: 87°F
L: 50°F
Air Quality
Nitrogen Dioxide: 3.52 μg/m3
Sulphur Dioxide: 0.74 μg/m3
Ozone: 46 μg/m3
Astronomical
Sun Transit: 1:18 PM
Sunset: 8:56 PM
Daylight: 15 hrs 16 mins
Moon Transit: 4:16 AM
Moonset: 9:51 AM
Moon Phase: Waning Gibbous
Moon Illumination: 76.9%
Best Times for Fishing or Hunting
Major Periods
3:46 AM - 6:16 AM11:36 AM - 2:06 PM
Minor Periods
12:00 AM - 12:00 AM9:21 AM - 10:51 AM
Action Rating: 2 out of 5
Heat Advisory issued July 14 at 2:48AM PDT until July 16 at 10:00PM PDT by NWS Portland OR
Effective: Mon July 14, 2025, 2:48 AM
Expires: Mon July 14, 2025, 5:00 PM
* WHAT...Temperatures up to 92 to 100 expected. * WHERE...Greater Portland/Vancouver Metro, Western and Central Columbia River Gorge, the Corbett area and the Hood River Valley, Central and Southern Willamette Valley, and Lower Columbia River and Cowlitz River Valleys. * WHEN...From noon Tuesday to 10 PM PDT Wednesday. * IMPACTS...Heat related illnesses increase significantly during extreme heat events. * ADDITIONAL DETAILS...The hottest day will be Wednesday, with a 30-70% chance of reaching 100 degrees.
Drink plenty of fluids, stay in a cool place during the heat of the day, stay out of the sunshine, and check up on relatives and neighbors. For those without air conditioning, use fans to keep air moving. Keeps windows closed during the day and open at night, unless air quality is degraded due to wildfire smoke. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. Monitor the latest forecasts and warnings for updates. Do not leave young children and pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes.
Heat Advisory issued July 14 at 2:48AM PDT until July 16 at 10:00PM PDT by NWS Portland OR
Effective: Mon July 14, 2025, 2:48 AM
Expires: Mon July 14, 2025, 5:00 PM
* WHAT...Temperatures up to 92 to 100 expected. * WHERE...Greater Portland/Vancouver Metro, Western and Central Columbia River Gorge, the Corbett area and the Hood River Valley, Central and Southern Willamette Valley, and Lower Columbia River and Cowlitz River Valleys. * WHEN...From noon Tuesday to 10 PM PDT Wednesday. * IMPACTS...Heat related illnesses increase significantly during extreme heat events. * ADDITIONAL DETAILS...The hottest day will be Wednesday, with a 30-70% chance of reaching 100 degrees.
Drink plenty of fluids, stay in a cool place during the heat of the day, stay out of the sunshine, and check up on relatives and neighbors. For those without air conditioning, use fans to keep air moving. Keeps windows closed during the day and open at night, unless air quality is degraded due to wildfire smoke. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. Monitor the latest forecasts and warnings for updates. Do not leave young children and pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes.
Heat Advisory issued July 14 at 2:48AM PDT until July 16 at 10:00PM PDT by NWS Portland OR
Effective: Mon July 14, 2025, 2:48 AM
Expires: Mon July 14, 2025, 5:00 PM
* WHAT...Temperatures up to 92 to 100 expected. * WHERE...Greater Portland/Vancouver Metro, Western and Central Columbia River Gorge, the Corbett area and the Hood River Valley, Central and Southern Willamette Valley, and Lower Columbia River and Cowlitz River Valleys. * WHEN...From noon Tuesday to 10 PM PDT Wednesday. * IMPACTS...Heat related illnesses increase significantly during extreme heat events. * ADDITIONAL DETAILS...The hottest day will be Wednesday, with a 30-70% chance of reaching 100 degrees.
Drink plenty of fluids, stay in a cool place during the heat of the day, stay out of the sunshine, and check up on relatives and neighbors. For those without air conditioning, use fans to keep air moving. Keeps windows closed during the day and open at night, unless air quality is degraded due to wildfire smoke. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. Monitor the latest forecasts and warnings for updates. Do not leave young children and pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes.
Heat Advisory issued July 14 at 2:48AM PDT until July 16 at 10:00PM PDT by NWS Portland OR
Effective: Mon July 14, 2025, 2:48 AM
Expires: Mon July 14, 2025, 5:00 PM
* WHAT...Temperatures up to 92 to 100 expected. * WHERE...Greater Portland/Vancouver Metro, Western and Central Columbia River Gorge, the Corbett area and the Hood River Valley, Central and Southern Willamette Valley, and Lower Columbia River and Cowlitz River Valleys. * WHEN...From noon Tuesday to 10 PM PDT Wednesday. * IMPACTS...Heat related illnesses increase significantly during extreme heat events. * ADDITIONAL DETAILS...The hottest day will be Wednesday, with a 30-70% chance of reaching 100 degrees.
Drink plenty of fluids, stay in a cool place during the heat of the day, stay out of the sunshine, and check up on relatives and neighbors. For those without air conditioning, use fans to keep air moving. Keeps windows closed during the day and open at night, unless air quality is degraded due to wildfire smoke. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. Monitor the latest forecasts and warnings for updates. Do not leave young children and pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes.
Heat Advisory issued July 14 at 2:48AM PDT until July 16 at 10:00PM PDT by NWS Portland OR
Effective: Mon July 14, 2025, 2:48 AM
Expires: Mon July 14, 2025, 5:00 PM
* WHAT...Temperatures up to 92 to 100 expected. * WHERE...Greater Portland/Vancouver Metro, Western and Central Columbia River Gorge, the Corbett area and the Hood River Valley, Central and Southern Willamette Valley, and Lower Columbia River and Cowlitz River Valleys. * WHEN...From noon Tuesday to 10 PM PDT Wednesday. * IMPACTS...Heat related illnesses increase significantly during extreme heat events. * ADDITIONAL DETAILS...The hottest day will be Wednesday, with a 30-70% chance of reaching 100 degrees.
Drink plenty of fluids, stay in a cool place during the heat of the day, stay out of the sunshine, and check up on relatives and neighbors. For those without air conditioning, use fans to keep air moving. Keeps windows closed during the day and open at night, unless air quality is degraded due to wildfire smoke. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. Monitor the latest forecasts and warnings for updates. Do not leave young children and pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes.
Weather Forecast
Average Temperature: 71.9°F
Average Humidity: 68%
Wind: 12.3 mph
UV Index: 2.7
Air Quality
Nitrogen Dioxide: 3.4 μg/m3
Sulphur Dioxide: 0.73 μg/m3
Ozone: 43.56 μg/m3
Astronomical
Sun Transit: 1:18 PM
Sunset: 8:56 PM
Daylight: 15 hrs 16 mins
Moon Transit: 4:16 AM
Moonset: 9:51 AM
Moon Phase: Waning Gibbous
Moon Illumination: 76.9%
Best Times for Fishing or Hunting
Major Periods
3:46 AM - 6:16 AM11:36 AM - 2:06 PM
Minor Periods
12:00 AM - 12:00 AM9:21 AM - 10:51 AM
Action Rating: 2 out of 5
Weather Forecast
Average Temperature: 70.2°F
Average Humidity: 66%
Wind: 12.5 mph
UV Index: 2.4
Air Quality
Nitrogen Dioxide: 3 μg/m3
Sulphur Dioxide: 1.12 μg/m3
Ozone: 59.96 μg/m3
Astronomical
Sun Transit: 1:18 PM
Sunset: 8:55 PM
Daylight: 15 hrs 14 mins
Moon Transit: 10:15 PM
Moonset: 11:05 AM
Moon Phase: Waning Gibbous
Moon Illumination: 66.7%
Best Times for Fishing or Hunting
Major Periods
12:23 AM - 2:53 PM12:00 AM - 12:00 AM
Minor Periods
10:35 AM - 12:05 AM12:00 AM - 12:00 AM
Action Rating: 2 out of 5
Weather Forecast
Average Temperature: 78.4°F
Average Humidity: 54%
Wind: 11.6 mph
UV Index: 2.5
Air Quality
Nitrogen Dioxide: 6.96 μg/m3
Sulphur Dioxide: 1.4 μg/m3
Ozone: 89 μg/m3
Astronomical
Sun Transit: 1:18 PM
Sunset: 8:54 PM
Daylight: 15 hrs 12 mins
Moon Transit: 12:00 AM
Moonset: 12:20 AM
Moon Phase: Waning Gibbous
Moon Illumination: 55.7%
Best Times for Fishing or Hunting
Major Periods
12:00 AM - 12:00 AM12:00 AM - 12:00 AM
Minor Periods
11:50 AM - 1:20 PM12:00 AM - 12:00 AM
Action Rating: 2 out of 5
Weather Forecast
Average Temperature: 68.3°F
Average Humidity: 59%
Wind: 9.2 mph
UV Index: 2.5
Air Quality
Nitrogen Dioxide: 8.05 μg/m3
Sulphur Dioxide: 1.31 μg/m3
Ozone: 79.88 μg/m3
Astronomical
Sun Transit: 1:18 PM
Sunset: 8:53 PM
Daylight: 15 hrs 11 mins
Moon Transit: 6:36 AM
Moonset: 1:37 PM
Moon Phase: Last Quarter
Moon Illumination: 44.4%
Best Times for Fishing or Hunting
Major Periods
6:06 AM - 8:36 AM1:57 PM - 4:27 PM
Minor Periods
1:07 PM - 2:37 PM12:00 AM - 12:00 AM
Action Rating: 3 out of 5
Weather Forecast
Average Temperature: 64.9°F
Average Humidity: 65%
Wind: 11.4 mph
UV Index: 0
Air Quality
Nitrogen Dioxide: 6.92 μg/m3
Sulphur Dioxide: 0.7 μg/m3
Ozone: 59.23 μg/m3
Astronomical
Sun Transit: 1:18 PM
Sunset: 8:53 PM
Daylight: 15 hrs 9 mins
Moon Transit: 7:26 AM
Moonset: 2:57 PM
Moon Phase: Last Quarter
Moon Illumination: 33.4%
Best Times for Fishing or Hunting
Major Periods
6:56 AM - 9:26 AM2:49 PM - 5:19 PM
Minor Periods
2:27 PM - 3:57 PM12:00 AM - 12:00 AM
Action Rating: 2 out of 5