Water Temperature of the Willamette River in Harrisburg, OR

Current Water Temperature

55.6°F

Measurement Time: Saturday, April 25, 2026, 8:30 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

66.9°F
Sunny
Sunny
66.9°F
68.5°F
22%
N 7.4 mph
8.5 mph
68.4°F
34°F
0 in
25%
9 mi
1009 mbar
4.6

Five Day Weather Forecast

Sunny
Sat
H: 70°F
L: 41°F
Patchy rain nearby
Sun
H: 64°F
L: 35°F
Patchy rain nearby
Mon
H: 55°F
L: 37°F
Partly Cloudy
Tue
H: 60°F
L: 39°F
Sunny
Wed
H: 63°F
L: 35°F

Air Quality

AQI: 1 - Good
PM2.5: 3.85 μg/m3
PM10: 4.35 μg/m3
Carbon Monoxide: 181.85 μg/m3
Nitrogen Dioxide: 7.85 μg/m3
Sulphur Dioxide: 1.75 μg/m3
Ozone: 74 μg/m3

Astronomical

Sunrise: 6:13 AM
Sun Transit: 1:10 PM
Sunset: 8:10 PM
Daylight: 13 hrs 57 mins
Moonrise: 2:07 PM
Moon Transit: 9:11 PM
Moonset: 3:40 AM
Moon Phase: First Quarter
Moon Illumination: 61.6%

Best Times for Fishing or Hunting

Major Periods

3:44 AM - 6:14 AM
8:41 PM - 11:11 PM

Minor Periods

1:37 PM - 3:07 PM
3:10 AM - 4:40 AM

Action Rating: 3 out of 5

Frost Advisory issued April 25 at 1:10AM PDT until April 25 at 9:00AM PDT by NWS Portland OR

Effective: Sat April 25, 2026, 1:10 AM
Expires: Sat April 25, 2026, 9:00 AM

* WHAT...Temperatures as low as 34 will result in frost formation. * WHERE...Upper Hood River Valley, Lane County Lowlands, and Linn County Lowlands. * WHEN...Until 9 AM PDT this morning. * IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive outdoor plants may be killed if left uncovered.

Take steps now to protect tender outdoor plants from the cold. Consider temporarily moving outdoor potted plants indoors if they are sensitive to cold temperatures. Consider temporarily covering sensitive plants with a lightweight cotton fabric (i.e., bedsheets, thin blankets), as this will help retain heat and provide frost protection for your plants.
Saturday, April 25, 2026

Weather Forecast

Sunny
69.6°F
40.6°F
54.5°F
47%
0 in
0%
0%
7.4 mph
5.5


Air Quality

AQI: 1 - Good
PM2.5: 3.2 μg/m3
PM10: 3.58 μg/m3
Carbon Monoxide: 165.61 μg/m3
Nitrogen Dioxide: 4.93 μg/m3
Sulphur Dioxide: 1.59 μg/m3
Ozone: 80.36 μg/m3

Astronomical

Sunrise: 6:13 AM
Sun Transit: 1:10 PM
Sunset: 8:10 PM
Daylight: 13 hrs 57 mins
Moonrise: 2:07 PM
Moon Transit: 9:11 PM
Moonset: 3:40 AM
Moon Phase: First Quarter
Moon Illumination: 61.6%

Best Times for Fishing or Hunting

Major Periods

3:44 AM - 6:14 AM
8:41 PM - 11:11 PM

Minor Periods

1:37 PM - 3:07 PM
3:10 AM - 4:40 AM

Action Rating: 3 out of 5

Sunday, April 26, 2026

Weather Forecast

Patchy rain nearby
63.9°F
35.4°F
49.9°F
69%
0.01 in
88%
0%
6.5 mph
5.7


Air Quality

AQI: 1 - Good
PM2.5: 4.45 μg/m3
PM10: 4.98 μg/m3
Carbon Monoxide: 169.09 μg/m3
Nitrogen Dioxide: 6.26 μg/m3
Sulphur Dioxide: 1.67 μg/m3
Ozone: 80.32 μg/m3

Astronomical

Sunrise: 6:11 AM
Sun Transit: 1:10 PM
Sunset: 8:11 PM
Daylight: 14 hrs mins
Moonrise: 3:18 PM
Moon Transit: 9:55 PM
Moonset: 4:02 AM
Moon Phase: First Quarter
Moon Illumination: 72.3%

Best Times for Fishing or Hunting

Major Periods

4:30 AM - 7:00 AM
9:25 PM - 11:55 PM

Minor Periods

2:48 PM - 4:18 PM
3:32 AM - 5:02 AM

Action Rating: 2 out of 5

Monday, April 27, 2026

Weather Forecast

Patchy rain nearby
54.9°F
37.4°F
46.8°F
83%
0.01 in
88%
0%
4.5 mph
2.6


Air Quality

AQI: 1 - Good
PM2.5: 6.19 μg/m3
PM10: 8.07 μg/m3
Carbon Monoxide: 149.89 μg/m3
Nitrogen Dioxide: 6.51 μg/m3
Sulphur Dioxide: 1.39 μg/m3
Ozone: 67.44 μg/m3

Astronomical

Sunrise: 6:09 AM
Sun Transit: 1:10 PM
Sunset: 8:12 PM
Daylight: 14 hrs 3 mins
Moonrise: 4:26 PM
Moon Transit: 10:38 PM
Moonset: 4:21 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 81.8%

Best Times for Fishing or Hunting

Major Periods

5:14 AM - 7:44 AM
12:00 AM - 12:00 AM

Minor Periods

3:56 PM - 5:26 PM
3:51 AM - 5:21 AM

Action Rating: 2 out of 5

Tuesday, April 28, 2026

Weather Forecast

Partly Cloudy
60.3°F
39.3°F
49.4°F
75%
0 in
0%
0%
5.1 mph
6.8


Air Quality

AQI: 1 - Good
PM2.5: 7.37 μg/m3
PM10: 11.18 μg/m3
Carbon Monoxide: 145.9 μg/m3
Nitrogen Dioxide: 4.45 μg/m3
Sulphur Dioxide: 1.29 μg/m3
Ozone: 59.8 μg/m3

Astronomical

Sunrise: 6:08 AM
Sun Transit: 1:10 PM
Sunset: 8:13 PM
Daylight: 14 hrs 6 mins
Moonrise: 5:33 PM
Moon Transit: 11:20 PM
Moonset: 4:38 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 89.6%

Best Times for Fishing or Hunting

Major Periods

5:56 AM - 8:26 AM
12:00 AM - 12:00 AM

Minor Periods

5:03 PM - 6:33 PM
4:08 AM - 5:38 AM

Action Rating: 4 out of 5

Wednesday, April 29, 2026

Weather Forecast

Sunny
62.6°F
34.6°F
48.6°F
79%
0 in
0%
0%
8.7 mph
7.3


Air Quality

AQI: 1 - Good
PM2.5: 6.33 μg/m3
PM10: 9.25 μg/m3
Carbon Monoxide: 173.9 μg/m3
Nitrogen Dioxide: 7.29 μg/m3
Sulphur Dioxide: 1.28 μg/m3
Ozone: 50.38 μg/m3

Astronomical

Sunrise: 6:06 AM
Sun Transit: 1:10 PM
Sunset: 8:15 PM
Daylight: 14 hrs 8 mins
Moonrise: 6:40 PM
Moon Transit: 12:00 AM
Moonset: 4:56 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 95.5%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
6:38 AM - 9:08 AM

Minor Periods

6:10 PM - 7:40 PM
4:26 AM - 5:56 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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