Water Temperature of the Willamette River in Harrisburg, OR

Current Water Temperature

62.8°F

Measurement Time: Wednesday, October 7, 2026, 6:15 AM PDT

Temperature Locations

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Local Points of Interest

Riverside Park

Willamette River

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

Elevation Above Sea Level: 308 feet

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 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

74.3°F
Sunny
Conditions: Sunny
Humidity: 39%
Feels Like: 68.7°F
Wind: NNE 9.2 mph
Wind Gusts: 11.2 mph
Pressure: 30.02 in
Precipitation: 0 in
Cloud Cover: 0%
Visibility: 6 mi
UV Index: 4.2

Weather Forecast

Sunny
Wed
H: 80°F
L: 48°F
Sunny
Thu
H: 81°F
L: 49°F
Sunny
Fri
H: 66°F
L: 43°F
Sunny
Sat
H: 60°F
L: 40°F
Sunny
Sun
H: 66°F
L: 37°F

Air Quality

AQI: 1 - Good
PM2.5: 9.1 μg/m3
PM10: 9.5 μg/m3
Carbon Monoxide: 187 μg/m3
Nitrogen Dioxide: 3.4 μg/m3
Sulphur Dioxide: 1.4 μg/m3
Ozone: 87 μg/m3

Astronomical

Sunrise: 7:18 AM
Sun Transit: 1:00 PM
Sunset: 6:42 PM
Daylight: 11 hrs 25 mins
Moonrise: 3:57 AM
Moon Transit: 10:46 AM
Moonset: 5:21 PM
Moon Phase: Waning Crescent
Moon Illumination: 7.2%

Best Times for Fishing or Hunting

Major Periods

6:05 PM - 8:35 PM
10:16 AM - 12:46 AM

Minor Periods

4:51 PM - 6:21 PM
3:27 AM - 4:57 AM

Action Rating: 3 out of 5

Dense Fog Advisory issued October 7 at 6:18AM PDT until October 7 at 10:00AM PDT by NWS Portland OR

Effective: Wed October 7, 2026, 6:18 AM
Expires: Wed October 7, 2026, 10:00 AM

* WHAT...Visibility one quarter mile or less in dense fog. * WHERE...Lowlands and Cascade Foothills of Lane County. * WHEN...Until 10 AM PDT this morning. * IMPACTS...Low visibility could make driving conditions hazardous.

If driving, slow down and leave plenty of distance ahead of you. Pedestrians and cyclists should wear bright or reflective clothing to increase the chances of being seen by others in poor visibility conditions.
Wednesday, October 7, 2026

Weather Forecast

Conditions: Sunny
Average Temperature: 61.4°F
Average Humidity: 62%
Chance of Rain: 3%
Wind: 10.1 mph
UV Index: 4.2

Air Quality

AQI: 1 - Good
PM2.5: 9.97 μg/m3
PM10: 10.4 μg/m3
Carbon Monoxide: 187.79 μg/m3
Nitrogen Dioxide: 7.24 μg/m3
Sulphur Dioxide: 1.1 μg/m3
Ozone: 59.67 μg/m3

Astronomical

Sunrise: 7:18 AM
Sun Transit: 1:00 PM
Sunset: 6:42 PM
Daylight: 11 hrs 25 mins
Moonrise: 3:57 AM
Moon Transit: 10:46 AM
Moonset: 5:21 PM
Moon Phase: Waning Crescent
Moon Illumination: 7.2%

Best Times for Fishing or Hunting

Major Periods

6:05 PM - 8:35 PM
10:16 AM - 12:46 AM

Minor Periods

4:51 PM - 6:21 PM
3:27 AM - 4:57 AM

Action Rating: 3 out of 5

Thursday, October 8, 2026

Weather Forecast

Conditions: Sunny
Average Temperature: 62.1°F
Average Humidity: 57%
Chance of Rain: 3%
Wind: 10.5 mph
UV Index: 4.2

Air Quality

AQI: 1 - Good
PM2.5: 9.97 μg/m3
PM10: 11.47 μg/m3
Carbon Monoxide: 208.13 μg/m3
Nitrogen Dioxide: 6.51 μg/m3
Sulphur Dioxide: 1.83 μg/m3
Ozone: 56.04 μg/m3

Astronomical

Sunrise: 7:19 AM
Sun Transit: 1:00 PM
Sunset: 6:41 PM
Daylight: 11 hrs 22 mins
Moonrise: 5:10 AM
Moon Transit: 11:31 AM
Moonset: 5:40 PM
Moon Phase: Waning Crescent
Moon Illumination: 2.5%

Best Times for Fishing or Hunting

Major Periods

6:50 PM - 9:20 PM
11:01 AM - 1:31 PM

Minor Periods

5:10 PM - 6:40 PM
4:40 AM - 6:10 AM

Action Rating: 4 out of 5

Friday, October 9, 2026

Weather Forecast

Conditions: Sunny
Average Temperature: 54.8°F
Average Humidity: 77%
Chance of Rain: 24%
Wind: 8.7 mph
UV Index: 2.4

Air Quality

AQI: 1 - Good
PM2.5: 6.57 μg/m3
PM10: 8.7 μg/m3
Carbon Monoxide: 143.79 μg/m3
Nitrogen Dioxide: 2.63 μg/m3
Sulphur Dioxide: 0.7 μg/m3
Ozone: 54.75 μg/m3

Astronomical

Sunrise: 7:20 AM
Sun Transit: 1:00 PM
Sunset: 6:39 PM
Daylight: 11 hrs 19 mins
Moonrise: 6:22 AM
Moon Transit: 12:16 AM
Moonset: 6:00 PM
Moon Phase: Waning Crescent
Moon Illumination: 0.2%

Best Times for Fishing or Hunting

Major Periods

7:35 PM - 10:05 PM
11:46 AM - 2:16 PM

Minor Periods

5:30 PM - 7:00 PM
5:52 AM - 7:22 AM

Action Rating: 4 out of 5

Saturday, October 10, 2026

Weather Forecast

Conditions: Sunny
Average Temperature: 48.2°F
Average Humidity: 71%
Chance of Rain: 21%
Wind: 6.5 mph
UV Index: 3.2

Air Quality

AQI: 1 - Good
PM2.5: 10.18 μg/m3
PM10: 16.21 μg/m3
Carbon Monoxide: 134.81 μg/m3
Nitrogen Dioxide: 3.31 μg/m3
Sulphur Dioxide: 0.82 μg/m3
Ozone: 61.75 μg/m3

Astronomical

Sunrise: 7:21 AM
Sun Transit: 1:00 PM
Sunset: 6:37 PM
Daylight: 11 hrs 16 mins
Moonrise: 7:32 AM
Moon Transit: 1:01 PM
Moonset: 6:20 PM
Moon Phase: New
Moon Illumination: 0.5%

Best Times for Fishing or Hunting

Major Periods

8:20 PM - 10:50 PM
12:31 AM - 3:01 PM

Minor Periods

5:50 PM - 7:20 PM
7:02 AM - 8:32 AM

Action Rating: 4 out of 5

Sunday, October 11, 2026

Weather Forecast

Conditions: Sunny
Average Temperature: 49.2°F
Average Humidity: 61%
Chance of Rain: 3%
Wind: 19.7 mph
UV Index: 3.6

Air Quality

AQI: 1 - Good
PM2.5: 8.35 μg/m3
PM10: 11.9 μg/m3
Carbon Monoxide: 185.33 μg/m3
Nitrogen Dioxide: 5.87 μg/m3
Sulphur Dioxide: 0.8 μg/m3
Ozone: 39.33 μg/m3

Astronomical

Sunrise: 7:23 AM
Sun Transit: 1:00 PM
Sunset: 6:35 PM
Daylight: 11 hrs 13 mins
Moonrise: 8:42 AM
Moon Transit: 1:46 PM
Moonset: 6:43 PM
Moon Phase: New
Moon Illumination: 3.3%

Best Times for Fishing or Hunting

Major Periods

9:06 PM - 11:36 PM
1:16 PM - 3:46 PM

Minor Periods

6:13 PM - 7:43 PM
8:12 AM - 9:42 AM

Action Rating: 4 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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