Water Temperature of the Willamette River in Harrisburg, OR

Current Water Temperature

67.5°F

Measurement Time: Tuesday, July 8, 2025, 10:00 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

55°F
Mist
Conditions: Mist
Humidity: 93%
Feels Like: 55.6°F
Wind: S 2.7 mph
Wind Gusts: 4.9 mph
Pressure: 30.16 in
Precipitation: 0 in
Cloud Cover: 25%
Visibility: 9 mi
UV Index: 0

Five Day Weather Forecast

Mist
Wed
H: 77°F
L: 52°F
Partly Cloudy
Thu
H: 81°F
L: 57°F
Sunny
Fri
H: 88°F
L: 48°F
Sunny
Sat
H: 86°F
L: 53°F
Sunny
Sun
H: 91°F
L: 55°F

Air Quality

AQI: 1 - Good
PM2.5: 5.55 μg/m3
PM10: 6.66 μg/m3
Carbon Monoxide: 207.2 μg/m3
Nitrogen Dioxide: 1.3 μg/m3
Sulphur Dioxide: 0.37 μg/m3
Ozone: 47 μg/m3

Astronomical

Sunrise: 5:38 AM
Sun Transit: 1:18 PM
Sunset: 8:57 PM
Daylight: 15 hrs 19 mins
Moonrise: 8:49 PM
Moon Transit: 12:00 AM
Moonset: 3:59 AM
Moon Phase: Full
Moon Illumination: 99.6%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
7:20 AM - 9:50 AM

Minor Periods

8:19 PM - 9:49 PM
3:29 AM - 4:59 AM

Action Rating: 3 out of 5

Red Flag Warning issued July 8 at 12:36PM PDT until July 8 at 11:00PM PDT by NWS Pendleton OR

Effective: Tue July 8, 2025, 12:36 PM
Expires: Tue July 8, 2025, 11:00 PM

...DRY THUNDERSTORMS EXPECTED TODAY AND WEDNESDAY OVER CENTRAL AND EASTERN OREGON, WITH DRY AND WINDY CONDITIONS ACROSS THE COLUMBIA BASIN WEDNESDAY... .The ridge of high pressure currently in place over the Pacific Northwest will break down tonight through Wednesday as a pair of upper-level low-pressure systems pass over the region. This will lead to thunderstorm development across central and eastern Oregon Tuesday afternoon and evening, and across eastern Oregon Wednesday afternoon and evening. Widespread breezy to windy conditions will persist this evening through Wednesday, strongest through the Cascade gaps and Columbia Basin on Wednesday with a frontal passage. * AFFECTED AREA...Fire Weather Zones 696 John Day Valley, 700 Central Mountains of Oregon and 705 Southern Deschutes National Forest. * TIMING...Until 11 PM PDT this evening. * IMPACTS...Any fire that develops will catch and spread quickly. Outdoor burning is not recommended. * THUNDERSTORMS...Storms are mostly expected to be dry with rainfall amounts less than a tenth of an inch, though a few storms could produce rainfall amounts in excess of a tenth of an inch. * OUTFLOW WINDS...As high as 60 mph.

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.


Wednesday, July 9, 2025

Weather Forecast

Conditions: Mist
Average Temperature: 62.8°F
Average Humidity: 83%
Chance of Rain: 0%
Wind: 9.8 mph
UV Index: 2.4

Air Quality

AQI: 1 - Good
PM2.5: 6.8 μg/m3
PM10: 8.55 μg/m3
Carbon Monoxide: 215.78 μg/m3
Nitrogen Dioxide: 4.12 μg/m3
Sulphur Dioxide: 0.5 μg/m3
Ozone: 41.68 μg/m3

Astronomical

Sunrise: 5:38 AM
Sun Transit: 1:18 PM
Sunset: 8:57 PM
Daylight: 15 hrs 19 mins
Moonrise: 8:49 PM
Moon Transit: 12:00 AM
Moonset: 3:59 AM
Moon Phase: Full
Moon Illumination: 99.6%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
7:20 AM - 9:50 AM

Minor Periods

8:19 PM - 9:49 PM
3:29 AM - 4:59 AM

Action Rating: 3 out of 5

Thursday, July 10, 2025

Weather Forecast

Conditions: Partly Cloudy
Average Temperature: 66.3°F
Average Humidity: 69%
Chance of Rain: 0%
Wind: 13.9 mph
UV Index: 2.2

Air Quality

AQI: 1 - Good
PM2.5: 4.01 μg/m3
PM10: 4.94 μg/m3
Carbon Monoxide: 217.12 μg/m3
Nitrogen Dioxide: 3.12 μg/m3
Sulphur Dioxide: 0.73 μg/m3
Ozone: 44.56 μg/m3

Astronomical

Sunrise: 5:39 AM
Sun Transit: 1:18 PM
Sunset: 8:57 PM
Daylight: 15 hrs 18 mins
Moonrise: 9:30 PM
Moon Transit: 12:52 AM
Moonset: 5:00 AM
Moon Phase: Full
Moon Illumination: 99.8%

Best Times for Fishing or Hunting

Major Periods

12:22 AM - 2:52 AM
8:14 AM - 10:44 AM

Minor Periods

9:00 PM - 10:30 PM
4:30 AM - 6:00 AM

Action Rating: 5 out of 5

Friday, July 11, 2025

Weather Forecast

Conditions: Sunny
Average Temperature: 68.5°F
Average Humidity: 67%
Chance of Rain: 0%
Wind: 12.5 mph
UV Index: 2.5

Air Quality

AQI: 1 - Good
PM2.5: 5.85 μg/m3
PM10: 6.41 μg/m3
Carbon Monoxide: 250.71 μg/m3
Nitrogen Dioxide: 5.01 μg/m3
Sulphur Dioxide: 1.32 μg/m3
Ozone: 65.24 μg/m3

Astronomical

Sunrise: 5:40 AM
Sun Transit: 1:18 PM
Sunset: 8:56 PM
Daylight: 15 hrs 17 mins
Moonrise: 10:04 PM
Moon Transit: 1:47 AM
Moonset: 6:10 AM
Moon Phase: Full
Moon Illumination: 97.4%

Best Times for Fishing or Hunting

Major Periods

1:17 AM - 3:47 AM
9:08 AM - 11:38 AM

Minor Periods

9:34 PM - 11:04 PM
5:40 AM - 7:10 AM

Action Rating: 4 out of 5

Saturday, July 12, 2025

Weather Forecast

Conditions: Sunny
Average Temperature: 70°F
Average Humidity: 54%
Chance of Rain: 0%
Wind: 12.5 mph
UV Index: 2.5

Air Quality

AQI: 1 - Good
PM2.5: 4.04 μg/m3
PM10: 4.37 μg/m3
Carbon Monoxide: 234.06 μg/m3
Nitrogen Dioxide: 4.95 μg/m3
Sulphur Dioxide: 1.04 μg/m3
Ozone: 57.96 μg/m3

Astronomical

Sunrise: 5:41 AM
Sun Transit: 1:18 PM
Sunset: 8:56 PM
Daylight: 15 hrs 15 mins
Moonrise: 10:31 PM
Moon Transit: 2:39 AM
Moonset: 7:23 AM
Moon Phase: Full
Moon Illumination: 92.7%

Best Times for Fishing or Hunting

Major Periods

2:09 AM - 4:39 AM
10:00 AM - 12:30 AM

Minor Periods

10:01 PM - 11:31 PM
6:53 AM - 8:23 AM

Action Rating: 3 out of 5

Sunday, July 13, 2025

Weather Forecast

Conditions: Sunny
Average Temperature: 71.1°F
Average Humidity: 60%
Chance of Rain: 0%
Wind: 13 mph
UV Index: 0

Air Quality

AQI: 1 - Good
PM2.5: 3.34 μg/m3
PM10: 4.03 μg/m3
Carbon Monoxide: 240.22 μg/m3
Nitrogen Dioxide: 6.76 μg/m3
Sulphur Dioxide: 1.01 μg/m3
Ozone: 44.31 μg/m3

Astronomical

Sunrise: 5:41 AM
Sun Transit: 1:18 PM
Sunset: 8:55 PM
Daylight: 15 hrs 14 mins
Moonrise: 10:54 PM
Moon Transit: 3:29 AM
Moonset: 8:38 AM
Moon Phase: Waning Gibbous
Moon Illumination: 85.7%

Best Times for Fishing or Hunting

Major Periods

2:59 AM - 5:29 AM
10:49 AM - 1:19 PM

Minor Periods

10:24 PM - 11:54 PM
8:08 AM - 9:38 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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