Water Temperature of the Willamette River in Harrisburg, OR

Current Water Temperature

70.2°F

Measurement Time: Friday, July 18, 2025, 10:15 AM 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

82°F
Sunny
Conditions: Sunny
Humidity: 31%
Feels Like: 81.6°F
Wind: NW 11.2 mph
Wind Gusts: 12.9 mph
Pressure: 29.99 in
Precipitation: 0 in
Cloud Cover: 0%
Visibility: 9 mi
UV Index: 3.3

Five Day Weather Forecast

Sunny
Fri
H: 89°F
L: 52°F
Sunny
Sat
H: 82°F
L: 51°F
Cloudy
Sun
H: 74°F
L: 50°F
Partly Cloudy
Mon
H: 83°F
L: 58°F
Sunny
Tue
H: 90°F
L: 50°F

Air Quality

AQI: 1 - Good
PM2.5: 8.7 μg/m3
PM10: 11.1 μg/m3
Carbon Monoxide: 240.5 μg/m3
Nitrogen Dioxide: 10.73 μg/m3
Sulphur Dioxide: 1.11 μg/m3
Ozone: 44 μg/m3

Astronomical

Sunrise: 5:46 AM
Sun Transit: 1:19 PM
Sunset: 8:52 PM
Daylight: 15 hrs 6 mins
Moonrise: 12:15 AM
Moon Transit: 7:27 AM
Moonset: 2:56 PM
Moon Phase: Last Quarter
Moon Illumination: 33.4%

Best Times for Fishing or Hunting

Major Periods

6:57 AM - 9:27 AM
2:48 PM - 5:18 PM

Minor Periods

2:26 PM - 3:56 PM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Red Flag Warning issued July 17 at 12:23PM PDT until July 18 at 10:00PM PDT by NWS Pendleton OR

Effective: Thu July 17, 2025, 12:23 PM
Expires: Fri July 18, 2025, 10:00 PM

...DRY AND BREEZY TO WINDY CONDITIONS EXPECTED ACROSS PORTIONS OF CENTRAL AND EASTERN OREGON AND SOUTH CENTRAL WASHINGTON THROUGH FRIDAY... .Warm, dry, and breezy to windy conditions are expected through Friday across portions of central and eastern Oregon and central Washington, especially through the Cascade gaps. Afternoon relative humidity will be low to very low, and overnight relative humidity recovery is forecast to be poor to moderate. Strongest winds are expected Friday. * AFFECTED AREA...Fire Weather Zones 700 Central Mountains of Oregon and 703 Warm Springs Reservation. * TIMING...Until 10 PM PDT Friday. * WINDS...West 10 to 15 mph with gusts up to 25 mph. * RELATIVE HUMIDITY...As low as 10 percent. * IMPACTS...Any fire that develops will catch and spread quickly. Outdoor burning is not recommended.

A Red Flag Warning means that critical fire weather conditions are either occurring now, or will shortly. A combination of strong winds, low relative humidity, and warm temperatures can contribute to extreme fire behavior.


Red Flag Warning issued July 17 at 12:23PM PDT until July 18 at 10:00PM PDT by NWS Pendleton OR

Effective: Thu July 17, 2025, 12:23 PM
Expires: Fri July 18, 2025, 10:00 PM

...DRY AND BREEZY TO WINDY CONDITIONS EXPECTED ACROSS PORTIONS OF CENTRAL AND EASTERN OREGON AND SOUTH CENTRAL WASHINGTON THROUGH FRIDAY... .Warm, dry, and breezy to windy conditions are expected through Friday across portions of central and eastern Oregon and central Washington, especially through the Cascade gaps. Afternoon relative humidity will be low to very low, and overnight relative humidity recovery is forecast to be poor to moderate. Strongest winds are expected Friday. * AFFECTED AREA...Fire Weather Zones 700 Central Mountains of Oregon and 703 Warm Springs Reservation. * TIMING...Until 10 PM PDT Friday. * WINDS...West 10 to 15 mph with gusts up to 25 mph. * RELATIVE HUMIDITY...As low as 10 percent. * IMPACTS...Any fire that develops will catch and spread quickly. Outdoor burning is not recommended.

A Red Flag Warning means that critical fire weather conditions are either occurring now, or will shortly. A combination of strong winds, low relative humidity, and warm temperatures can contribute to extreme fire behavior.


Friday, July 18, 2025

Weather Forecast

Conditions: Sunny
Average Temperature: 67.8°F
Average Humidity: 70%
Chance of Rain: 0%
Wind: 11.2 mph
UV Index: 2.4

Air Quality

AQI: 1 - Good
PM2.5: 11.06 μg/m3
PM10: 14.43 μg/m3
Carbon Monoxide: 256.78 μg/m3
Nitrogen Dioxide: 7.9 μg/m3
Sulphur Dioxide: 0.88 μg/m3
Ozone: 57.32 μg/m3

Astronomical

Sunrise: 5:46 AM
Sun Transit: 1:19 PM
Sunset: 8:52 PM
Daylight: 15 hrs 6 mins
Moonrise: 12:15 AM
Moon Transit: 7:27 AM
Moonset: 2:56 PM
Moon Phase: Last Quarter
Moon Illumination: 33.4%

Best Times for Fishing or Hunting

Major Periods

6:57 AM - 9:27 AM
2:48 PM - 5:18 PM

Minor Periods

2:26 PM - 3:56 PM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Saturday, July 19, 2025

Weather Forecast

Conditions: Sunny
Average Temperature: 64.1°F
Average Humidity: 70%
Chance of Rain: 0%
Wind: 9.6 mph
UV Index: 2.4

Air Quality

AQI: 1 - Good
PM2.5: 8.84 μg/m3
PM10: 11.75 μg/m3
Carbon Monoxide: 238.72 μg/m3
Nitrogen Dioxide: 5.57 μg/m3
Sulphur Dioxide: 0.95 μg/m3
Ozone: 53.92 μg/m3

Astronomical

Sunrise: 5:47 AM
Sun Transit: 1:19 PM
Sunset: 8:51 PM
Daylight: 15 hrs 4 mins
Moonrise: 12:42 AM
Moon Transit: 8:21 AM
Moonset: 4:17 PM
Moon Phase: Last Quarter
Moon Illumination: 23.2%

Best Times for Fishing or Hunting

Major Periods

7:51 AM - 10:21 AM
3:44 PM - 6:14 PM

Minor Periods

3:47 PM - 5:17 PM
12:12 AM - 1:42 AM

Action Rating: 2 out of 5

Sunday, July 20, 2025

Weather Forecast

Conditions: Cloudy
Average Temperature: 61.9°F
Average Humidity: 68%
Chance of Rain: 0%
Wind: 8.9 mph
UV Index: 2

Air Quality

AQI: 1 - Good
PM2.5: 6.64 μg/m3
PM10: 8.62 μg/m3
Carbon Monoxide: 245.61 μg/m3
Nitrogen Dioxide: 5.76 μg/m3
Sulphur Dioxide: 0.9 μg/m3
Ozone: 49.36 μg/m3

Astronomical

Sunrise: 5:48 AM
Sun Transit: 1:19 PM
Sunset: 8:50 PM
Daylight: 15 hrs 2 mins
Moonrise: 1:16 AM
Moon Transit: 9:19 AM
Moonset: 5:36 PM
Moon Phase: Waning Crescent
Moon Illumination: 14.4%

Best Times for Fishing or Hunting

Major Periods

8:49 AM - 11:19 AM
4:43 PM - 7:13 PM

Minor Periods

5:06 PM - 6:36 PM
12:46 AM - 2:16 AM

Action Rating: 2 out of 5

Monday, July 21, 2025

Weather Forecast

Conditions: Partly Cloudy
Average Temperature: 68.5°F
Average Humidity: 59%
Chance of Rain: 0%
Wind: 9.2 mph
UV Index: 2.2

Air Quality

AQI: 1 - Good
PM2.5: 10.07 μg/m3
PM10: 13.27 μg/m3
Carbon Monoxide: 240.65 μg/m3
Nitrogen Dioxide: 5.28 μg/m3
Sulphur Dioxide: 0.7 μg/m3
Ozone: 55.28 μg/m3

Astronomical

Sunrise: 5:49 AM
Sun Transit: 1:19 PM
Sunset: 8:49 PM
Daylight: 15 hrs mins
Moonrise: 2:00 AM
Moon Transit: 10:22 AM
Moonset: 6:50 PM
Moon Phase: Waning Crescent
Moon Illumination: 7.4%

Best Times for Fishing or Hunting

Major Periods

5:46 PM - 8:16 PM
9:52 AM - 12:22 AM

Minor Periods

6:20 PM - 7:50 PM
1:30 AM - 3:00 AM

Action Rating: 2 out of 5

Tuesday, July 22, 2025

Weather Forecast

Conditions: Sunny
Average Temperature: 68.4°F
Average Humidity: 56%
Chance of Rain: 0%
Wind: 8.9 mph
UV Index: 2.2

Air Quality

AQI: 1 - Good
PM2.5: 9.78 μg/m3
PM10: 12.67 μg/m3
Carbon Monoxide: 271.67 μg/m3
Nitrogen Dioxide: 11.2 μg/m3
Sulphur Dioxide: 0.75 μg/m3
Ozone: 43 μg/m3

Astronomical

Sunrise: 5:50 AM
Sun Transit: 1:19 PM
Sunset: 8:48 PM
Daylight: 14 hrs 58 mins
Moonrise: 2:58 AM
Moon Transit: 11:25 AM
Moonset: 7:51 PM
Moon Phase: Waning Crescent
Moon Illumination: 2.6%

Best Times for Fishing or Hunting

Major Periods

6:50 PM - 9:20 PM
10:55 AM - 1:25 PM

Minor Periods

7:21 PM - 8:51 PM
2:28 AM - 3:58 AM

Action Rating: 3 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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