Water Temperature of the North Santiam River in Niagara, OR
Current Water Temperature
Measurement Time: Saturday, July 12, 2025, 5:10 PM PDT
Temperature Locations
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Station Name: NORTH SANTIAM RIVER AT NIAGARA, OR
Data Source: Water Data - usgc.gov
Elevation Above Sea Level: 1,158 feet / 353 meters
Nearest Address:
N Santiam Hwy
Niagara, OR 97346
Marion County
GPS Coordinates: 44.75377778, -122.2974444
Nearby Water Temperatures
Detroit Lake, Detroit, OR (3.5 mi)Breitenbush River, Detroit, OR (8.3 mi)
North Santiam River, Idanha, OR (10.2 mi)
Blowout Creek, Detroit, OR (10.7 mi)
Little North Santiam River, Lyons, OR (14.1 mi)
Quartzville Creek, Cascadia, OR (16.3 mi)
Middle Santiam River, Cascadia, OR (16.9 mi)
North Santiam River, Mehama, OR (18.7 mi)
Middle Santiam River, Foster, OR (24.5 mi)
South Santiam River, Cascadia, OR (26.9 mi)
Clackamas River, Three Lynx, OR (27.9 mi)
Fish Creek, Three Lynx, OR (28.1 mi)
Clackamas River, Estacada, OR (29.4 mi)
South Santiam River, Sweet Home, OR (30.4 mi)
McKenzie River, Clear Lake, OR (30.9 mi)
Weather for Niagara, Oregon
Current Weather

Humidity: 60%
Feels Like: 78.6°F
Wind: ENE 2.9 mph
Wind Gusts: 6.1 mph
Precipitation: 0 in
Cloud Cover: 0%
Visibility: 9 mi
UV Index: 0
Five Day Weather Forecast

Sun
H: 88°F
L: 55°F

Mon
H: 78°F
L: 56°F

Tue
H: 84°F
L: 55°F

Wed
H: 97°F
L: 54°F

Thu
H: 89°F
L: 54°F
Air Quality
Nitrogen Dioxide: 6.11 μg/m3
Sulphur Dioxide: 2.22 μg/m3
Ozone: 82 μg/m3
Astronomical
Sun Transit: 1:15 PM
Sunset: 8:53 PM
Daylight: 15 hrs 17 mins
Moon Transit: 3:25 AM
Moonset: 8:33 AM
Moon Phase: Waning Gibbous
Moon Illumination: 85.7%
Best Times for Fishing or Hunting
Major Periods
2:55 AM - 5:25 AM10:52 AM - 1:22 PM
Minor Periods
10:21 PM - 11:51 PM8:03 AM - 9:33 AM
Action Rating: 3 out of 5
Heat Advisory issued July 12 at 2:02PM PDT until July 13 at 10:00PM PDT by NWS Portland OR
Effective: Sat July 12, 2025, 2:02 PM
Expires: Sun July 13, 2025, 5:00 AM
* WHAT...For the Heat Advisory, temperatures between 93 and 98 degrees expected. For the Extreme Heat Watch, dangerously hot conditions with afternoon temperatures between 90 and 100 degrees and low temperatures between 65 to 70 degrees possible. * WHERE...Western and Central Columbia River Gorge and the Hood River Valley, Portland Metro Lowlands, Greater Vancouver Metro, and Central Willamette Valley. * WHEN...For the Heat Advisory, from 11 AM to 10 PM PDT Sunday. For the Extreme Heat Watch, from Tuesday afternoon through Wednesday evening. * IMPACTS...Heat related illnesses increase significantly during extreme heat events. * ADDITIONAL DETAILS...There is a 30-50% chance for high temperatures of 100 degrees or hotter across the Willamette Valley on Wednesday.
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. Do not leave young children and pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes. Monitor the latest forecasts and warnings for updates. 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.
Extreme Heat Watch issued July 12 at 2:02PM PDT until July 17 at 12:00AM PDT by NWS Portland OR
Effective: Sat July 12, 2025, 2:02 PM
Expires: Sun July 13, 2025, 5:00 AM
* WHAT...For the Heat Advisory, temperatures between 93 and 98 degrees expected. For the Extreme Heat Watch, dangerously hot conditions with afternoon temperatures between 90 and 100 degrees and low temperatures between 65 to 70 degrees possible. * WHERE...Western and Central Columbia River Gorge and the Hood River Valley, Portland Metro Lowlands, Greater Vancouver Metro, and Central Willamette Valley. * WHEN...For the Heat Advisory, from 11 AM to 10 PM PDT Sunday. For the Extreme Heat Watch, from Tuesday afternoon through Wednesday evening. * IMPACTS...Heat related illnesses increase significantly during extreme heat events. * ADDITIONAL DETAILS...There is a 30-50% chance for high temperatures of 100 degrees or hotter across the Willamette Valley on Wednesday.
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. Do not leave young children and pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes. Monitor the latest forecasts and warnings for updates. 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.
Heat Advisory issued July 12 at 2:02PM PDT until July 13 at 10:00PM PDT by NWS Portland OR
Effective: Sat July 12, 2025, 2:02 PM
Expires: Sun July 13, 2025, 5:00 AM
* WHAT...For the Heat Advisory, temperatures between 93 and 98 degrees expected. For the Extreme Heat Watch, dangerously hot conditions with afternoon temperatures between 90 and 100 degrees and low temperatures between 65 to 70 degrees possible. * WHERE...Western and Central Columbia River Gorge and the Hood River Valley, Portland Metro Lowlands, Greater Vancouver Metro, and Central Willamette Valley. * WHEN...For the Heat Advisory, from 11 AM to 10 PM PDT Sunday. For the Extreme Heat Watch, from Tuesday afternoon through Wednesday evening. * IMPACTS...Heat related illnesses increase significantly during extreme heat events. * ADDITIONAL DETAILS...There is a 30-50% chance for high temperatures of 100 degrees or hotter across the Willamette Valley on Wednesday.
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. Do not leave young children and pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes. Monitor the latest forecasts and warnings for updates. 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.
Extreme Heat Watch issued July 12 at 2:02PM PDT until July 17 at 12:00AM PDT by NWS Portland OR
Effective: Sat July 12, 2025, 2:02 PM
Expires: Sun July 13, 2025, 5:00 AM
* WHAT...For the Heat Advisory, temperatures between 93 and 98 degrees expected. For the Extreme Heat Watch, dangerously hot conditions with afternoon temperatures between 90 and 100 degrees and low temperatures between 65 to 70 degrees possible. * WHERE...Western and Central Columbia River Gorge and the Hood River Valley, Portland Metro Lowlands, Greater Vancouver Metro, and Central Willamette Valley. * WHEN...For the Heat Advisory, from 11 AM to 10 PM PDT Sunday. For the Extreme Heat Watch, from Tuesday afternoon through Wednesday evening. * IMPACTS...Heat related illnesses increase significantly during extreme heat events. * ADDITIONAL DETAILS...There is a 30-50% chance for high temperatures of 100 degrees or hotter across the Willamette Valley on Wednesday.
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. Do not leave young children and pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes. Monitor the latest forecasts and warnings for updates. 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.
Heat Advisory issued July 12 at 2:02PM PDT until July 13 at 10:00PM PDT by NWS Portland OR
Effective: Sat July 12, 2025, 2:02 PM
Expires: Sun July 13, 2025, 5:00 AM
* WHAT...Temperatures 95 to 98 expected. * WHERE...South Willamette Valley. * WHEN...From 11 AM to 10 PM PDT Sunday. * IMPACTS...Hot temperatures may cause heat illnesses. * ADDITIONAL DETAILS...There is a 30-50% chance for high temperatures of 100 degrees or hotter across the Willamette Valley on Wednesday.
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. 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: 72.7°F
Average Humidity: 67%
Wind: 8.7 mph
UV Index: 2.9
Air Quality
Nitrogen Dioxide: 9.24 μg/m3
Sulphur Dioxide: 1.67 μg/m3
Ozone: 80.92 μg/m3
Astronomical
Sun Transit: 1:15 PM
Sunset: 8:53 PM
Daylight: 15 hrs 17 mins
Moon Transit: 3:25 AM
Moonset: 8:33 AM
Moon Phase: Waning Gibbous
Moon Illumination: 85.7%
Best Times for Fishing or Hunting
Major Periods
2:55 AM - 5:25 AM10:52 AM - 1:22 PM
Minor Periods
10:21 PM - 11:51 PM8:03 AM - 9:33 AM
Action Rating: 3 out of 5
Weather Forecast
Average Temperature: 66°F
Average Humidity: 73%
Wind: 8.1 mph
UV Index: 2.8
Air Quality
Nitrogen Dioxide: 7.66 μg/m3
Sulphur Dioxide: 1.55 μg/m3
Ozone: 68.04 μg/m3
Astronomical
Sun Transit: 1:15 PM
Sunset: 8:53 PM
Daylight: 15 hrs 16 mins
Moon Transit: 4:13 AM
Moonset: 9:48 AM
Moon Phase: Waning Gibbous
Moon Illumination: 76.9%
Best Times for Fishing or Hunting
Major Periods
3:43 AM - 6:13 AM11:40 AM - 2:10 PM
Minor Periods
12:00 AM - 12:00 AM9:18 AM - 10:48 AM
Action Rating: 2 out of 5
Weather Forecast
Average Temperature: 69.3°F
Average Humidity: 46%
Wind: 10.1 mph
UV Index: 2.5
Air Quality
Nitrogen Dioxide: 10.04 μg/m3
Sulphur Dioxide: 1.67 μg/m3
Ozone: 68.28 μg/m3
Astronomical
Sun Transit: 1:15 PM
Sunset: 8:52 PM
Daylight: 15 hrs 14 mins
Moon Transit: 5:00 AM
Moonset: 11:02 AM
Moon Phase: Waning Gibbous
Moon Illumination: 66.7%
Best Times for Fishing or Hunting
Major Periods
4:30 AM - 7:00 AM12:26 AM - 2:56 PM
Minor Periods
10:32 AM - 12:02 AM12:00 AM - 12:00 AM
Action Rating: 2 out of 5
Weather Forecast
Average Temperature: 74.3°F
Average Humidity: 40%
Wind: 8.7 mph
UV Index: 2.5
Air Quality
Nitrogen Dioxide: 8.58 μg/m3
Sulphur Dioxide: 1.17 μg/m3
Ozone: 86.08 μg/m3
Astronomical
Sun Transit: 1:15 PM
Sunset: 8:51 PM
Daylight: 15 hrs 12 mins
Moon Transit: 12:00 AM
Moonset: 12:17 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
11:47 AM - 1:17 PM12:00 AM - 12:00 AM
Action Rating: 2 out of 5
Weather Forecast
Average Temperature: 67.3°F
Average Humidity: 58%
Wind: 7.6 mph
UV Index: 0
Air Quality
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3
Astronomical
Sun Transit: 1:15 PM
Sunset: 8:51 PM
Daylight: 15 hrs 11 mins
Moon Transit: 6:33 AM
Moonset: 1:34 PM
Moon Phase: Last Quarter
Moon Illumination: 44.4%
Best Times for Fishing or Hunting
Major Periods
6:03 AM - 8:33 AM2:00 PM - 4:30 PM
Minor Periods
1:04 PM - 2:34 PM12:00 AM - 12:00 AM
Action Rating: 3 out of 5