Water Temperature of the Willamette River in Harrisburg, OR

Current Water Temperature

65.5°F

Measurement Time: Thursday, August 7, 2025, 1:50 PM PDT

Temperature Locations

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Local Points of Interest

Riverside Park

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Willamette River

Station Name: WILLAMETTE RIVER AT HARRISBURG, OR
Data Source: Water Data - usgc.gov

Elevation Above Sea Level: 308 feet / 94 meters

Nearest Address:
347 1st St
Harrisburg, OR 97446
Linn County

GPS Coordinates: 44.27040126, -123.1737036

Nearby Water Temperatures

Long Tom River, Monroe, OR (6.7 mi)
Long Tom River, Alvadore, OR (11.9 mi)
McKenzie River, Eugene, OR (12.6 mi)
Willamette River , Eugene, OR (12.7 mi)
McKenzie River, Springfield, OR (17.2 mi)
Cedar Creek, Thurston, OR (19.3 mi)
Camp Creek, Springfield, OR (19.9 mi)
South Santiam River, Waterloo, OR (23.4 mi)
McKenzie River, Walterville, OR (24.3 mi)
Willamette River , Albany, OR (25.7 mi)
South Santiam River, Sweet Home, OR (25.9 mi)
Middle Fork Willamette River, Fall Creek, OR (28.0 mi)
North Santiam River, Jefferson, OR (31.8 mi)
Santiam River, Jefferson, OR (32.9 mi)
Middle Santiam River, Foster, OR (33.2 mi)

Weather for Harrisburg, Oregon

Current Weather

69.1°F
Clear
Conditions: Clear
Humidity: 55%
Feels Like: 69.1°F
Wind: N 4.3 mph
Wind Gusts: 8.9 mph
Pressure: 30.19 in
Precipitation: 0 in
Cloud Cover: 0%
Visibility: 9 mi
UV Index: 0

Five Day Weather Forecast

Partly Cloudy
Thu
H: 82°F
L: 57°F
Sunny
Fri
H: 86°F
L: 47°F
Sunny
Sat
H: 90°F
L: 52°F
Sunny
Sun
H: 105°F
L: 56°F
Sunny
Mon
H: 99°F
L: 59°F

Air Quality

AQI: 2 - Moderate
PM2.5: 6.11 μg/m3
PM10: 7.77 μg/m3
Carbon Monoxide: 255.3 μg/m3
Nitrogen Dioxide: 12.21 μg/m3
Sulphur Dioxide: 1.11 μg/m3
Ozone: 25 μg/m3

Astronomical

Sunrise: 6:07 AM
Sun Transit: 1:18 PM
Sunset: 8:29 PM
Daylight: 14 hrs 22 mins
Moonrise: 8:04 PM
Moon Transit: 12:00 AM
Moonset: 3:52 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 98.4%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
6:58 AM - 9:28 AM

Minor Periods

7:34 PM - 9:04 PM
3:22 AM - 4:52 AM

Action Rating: 2 out of 5

Extreme Heat Watch issued August 7 at 1:40PM PDT until August 11 at 11:00PM PDT by NWS Portland OR

Effective: Thu August 7, 2025, 1:40 PM
Expires: Fri August 8, 2025, 6:15 AM

* WHAT...Dangerously hot conditions with temperatures up to 95 to 102 degrees and mild overnight low temperatures of 60 to 70 degrees possible. * WHERE...Greater Portland/Vancouver Metro, Central and Southern Willamette Valley, Western and Central Columbia River Gorge and the Hood River Valley, and Lower Columbia River and Cowlitz River Valleys. * WHEN...From Sunday afternoon through Monday evening. * IMPACTS...Heat related illnesses increase significantly during extreme heat events.

Monitor the latest forecasts and warnings for updates.


Extreme Heat Watch issued August 7 at 1:40PM PDT until August 11 at 11:00PM PDT by NWS Portland OR

Effective: Thu August 7, 2025, 1:40 PM
Expires: Fri August 8, 2025, 6:15 AM

* WHAT...Dangerously hot conditions with temperatures up to 95 to 102 degrees and mild overnight low temperatures of 60 to 70 degrees possible. * WHERE...Greater Portland/Vancouver Metro, Central and Southern Willamette Valley, Western and Central Columbia River Gorge and the Hood River Valley, and Lower Columbia River and Cowlitz River Valleys. * WHEN...From Sunday afternoon through Monday evening. * IMPACTS...Heat related illnesses increase significantly during extreme heat events.

Monitor the latest forecasts and warnings for updates.


Extreme Heat Watch issued August 7 at 1:40PM PDT until August 11 at 11:00PM PDT by NWS Portland OR

Effective: Thu August 7, 2025, 1:40 PM
Expires: Fri August 8, 2025, 6:15 AM

* WHAT...Dangerously hot conditions with temperatures up to 95 to 102 degrees and mild overnight low temperatures of 60 to 70 degrees possible. * WHERE...Greater Portland/Vancouver Metro, Central and Southern Willamette Valley, Western and Central Columbia River Gorge and the Hood River Valley, and Lower Columbia River and Cowlitz River Valleys. * WHEN...From Sunday afternoon through Monday evening. * IMPACTS...Heat related illnesses increase significantly during extreme heat events.

Monitor the latest forecasts and warnings for updates.


Extreme Heat Watch issued August 7 at 1:40PM PDT until August 11 at 11:00PM PDT by NWS Portland OR

Effective: Thu August 7, 2025, 1:40 PM
Expires: Fri August 8, 2025, 6:15 AM

* WHAT...Dangerously hot conditions with temperatures up to 95 to 102 degrees and mild overnight low temperatures of 60 to 70 degrees possible. * WHERE...Greater Portland/Vancouver Metro, Central and Southern Willamette Valley, Western and Central Columbia River Gorge and the Hood River Valley, and Lower Columbia River and Cowlitz River Valleys. * WHEN...From Sunday afternoon through Monday evening. * IMPACTS...Heat related illnesses increase significantly during extreme heat events.

Monitor the latest forecasts and warnings for updates.


Extreme Heat Watch issued August 7 at 1:40PM PDT until August 11 at 11:00PM PDT by NWS Portland OR

Effective: Thu August 7, 2025, 1:40 PM
Expires: Fri August 8, 2025, 6:15 AM

* WHAT...Dangerously hot conditions with temperatures up to 95 to 102 degrees and mild overnight low temperatures of 60 to 70 degrees possible. * WHERE...Greater Portland/Vancouver Metro, Central and Southern Willamette Valley, Western and Central Columbia River Gorge and the Hood River Valley, and Lower Columbia River and Cowlitz River Valleys. * WHEN...From Sunday afternoon through Monday evening. * IMPACTS...Heat related illnesses increase significantly during extreme heat events.

Monitor the latest forecasts and warnings for updates.
Thursday, August 7, 2025

Weather Forecast

Conditions: Partly Cloudy
Average Temperature: 67.5°F
Average Humidity: 70%
Chance of Rain: 0%
Wind: 9.4 mph
UV Index: 1.9

Air Quality

AQI: 1 - Good
PM2.5: 4.91 μg/m3
PM10: 6.23 μg/m3
Carbon Monoxide: 184.93 μg/m3
Nitrogen Dioxide: 4.32 μg/m3
Sulphur Dioxide: 0.64 μg/m3
Ozone: 42.52 μg/m3

Astronomical

Sunrise: 6:07 AM
Sun Transit: 1:18 PM
Sunset: 8:29 PM
Daylight: 14 hrs 22 mins
Moonrise: 8:04 PM
Moon Transit: 12:00 AM
Moonset: 3:52 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 98.4%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
6:58 AM - 9:28 AM

Minor Periods

7:34 PM - 9:04 PM
3:22 AM - 4:52 AM

Action Rating: 2 out of 5

Friday, August 8, 2025

Weather Forecast

Conditions: Sunny
Average Temperature: 65.9°F
Average Humidity: 61%
Chance of Rain: 0%
Wind: 10.3 mph
UV Index: 2.2

Air Quality

AQI: 1 - Good
PM2.5: 6.47 μg/m3
PM10: 8.17 μg/m3
Carbon Monoxide: 244.2 μg/m3
Nitrogen Dioxide: 5.88 μg/m3
Sulphur Dioxide: 1.1 μg/m3
Ozone: 50.88 μg/m3

Astronomical

Sunrise: 6:09 AM
Sun Transit: 1:18 PM
Sunset: 8:28 PM
Daylight: 14 hrs 19 mins
Moonrise: 8:33 PM
Moon Transit: 12:30 AM
Moonset: 5:06 AM
Moon Phase: Full
Moon Illumination: 100.0%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 2:30 AM
7:52 AM - 10:22 AM

Minor Periods

8:03 PM - 9:33 PM
4:36 AM - 6:06 AM

Action Rating: 5 out of 5

Saturday, August 9, 2025

Weather Forecast

Conditions: Sunny
Average Temperature: 70.3°F
Average Humidity: 58%
Chance of Rain: 0%
Wind: 11.9 mph
UV Index: 2.2

Air Quality

AQI: 1 - Good
PM2.5: 7.15 μg/m3
PM10: 7.97 μg/m3
Carbon Monoxide: 241.76 μg/m3
Nitrogen Dioxide: 6.89 μg/m3
Sulphur Dioxide: 1.54 μg/m3
Ozone: 57 μg/m3

Astronomical

Sunrise: 6:10 AM
Sun Transit: 1:18 PM
Sunset: 8:26 PM
Daylight: 14 hrs 16 mins
Moonrise: 8:58 PM
Moon Transit: 1:22 AM
Moonset: 6:22 AM
Moon Phase: Full
Moon Illumination: 99.0%

Best Times for Fishing or Hunting

Major Periods

12:52 AM - 3:22 AM
8:42 AM - 11:12 AM

Minor Periods

8:28 PM - 9:58 PM
5:52 AM - 7:22 AM

Action Rating: 5 out of 5

Sunday, August 10, 2025

Weather Forecast

Conditions: Sunny
Average Temperature: 79.5°F
Average Humidity: 49%
Chance of Rain: 0%
Wind: 11.4 mph
UV Index: 2.2

Air Quality

AQI: 1 - Good
PM2.5: 12.82 μg/m3
PM10: 13.76 μg/m3
Carbon Monoxide: 234.06 μg/m3
Nitrogen Dioxide: 7.16 μg/m3
Sulphur Dioxide: 2.92 μg/m3
Ozone: 70.6 μg/m3

Astronomical

Sunrise: 6:11 AM
Sun Transit: 1:18 PM
Sunset: 8:25 PM
Daylight: 14 hrs 14 mins
Moonrise: 9:19 PM
Moon Transit: 2:11 AM
Moonset: 7:38 AM
Moon Phase: Full
Moon Illumination: 95.5%

Best Times for Fishing or Hunting

Major Periods

1:41 AM - 4:11 AM
9:31 AM - 12:01 AM

Minor Periods

8:49 PM - 10:19 PM
7:08 AM - 8:38 AM

Action Rating: 4 out of 5

Monday, August 11, 2025

Weather Forecast

Conditions: Sunny
Average Temperature: 77°F
Average Humidity: 47%
Chance of Rain: 0%
Wind: 11.6 mph
UV Index: 2.2

Air Quality

AQI: 2 - Moderate
PM2.5: 18 μg/m3
PM10: 18.59 μg/m3
Carbon Monoxide: 333.28 μg/m3
Nitrogen Dioxide: 12.01 μg/m3
Sulphur Dioxide: 3.17 μg/m3
Ozone: 94.62 μg/m3

Astronomical

Sunrise: 6:12 AM
Sun Transit: 1:17 PM
Sunset: 8:23 PM
Daylight: 14 hrs 11 mins
Moonrise: 9:39 PM
Moon Transit: 3:00 AM
Moonset: 8:54 AM
Moon Phase: Waning Gibbous
Moon Illumination: 89.6%

Best Times for Fishing or Hunting

Major Periods

2:30 AM - 5:00 AM
10:19 AM - 12:49 AM

Minor Periods

9:09 PM - 10:39 PM
8:24 AM - 9:54 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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