Water Temperature of the Willamette River in Harrisburg, OR

Current Water Temperature

52.9°F 11.6°C
Cold Thermal Gear Required
52.9°F
Frigid < 50°F
Cold 50°–60°
Cool 60°–70°
Comfortable 70°–80°
Warm 80°+

Cold shock risk with rapid dexterity loss (10–15 mins). Wetsuit or drysuit strongly advised for any immersion.

Measurement Time: Thursday, November 12, 2026, 2:00 PM PST

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

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

49.5°F
Fog
Conditions: Fog
Humidity: 98%
Feels Like: 48.4°F
Wind: NE 2.1 mph
Wind Gusts: 2.2 mph
Pressure: 29.49 in
Precipitation: 0 in
Cloud Cover: 100%
Visibility: 0 mi
UV Index: 0

Five-Day Weather Forecast

Fog
Thu
H: 56°F
L: 47°F
Moderate Rain
Fri
H: 55°F
L: 46°F
Dense Drizzle
Sat
H: 56°F
L: 47°F
Dense Drizzle
Sun
H: 52°F
L: 44°F
Light Drizzle
Mon
H: 55°F
L: 41°F

Air Quality

EPA Index 2 • Moderate

Air quality is acceptable. However, there may be a risk for some people, particularly those who are unusually sensitive to air pollution.

PM2.5
40 μg/m³
Unhealthy for Sensitive Groups
PM10
43 μg/m³
Good
Ozone (O3)
12 μg/m³
Photochemical
NO2
23.8 μg/m³
Nitrogen Dioxide
SO2
1.8 μg/m³
Sulfur Dioxide
CO
354 μg/m³
Carbon Monoxide

Astronomical

Sun
9h 44m daylight
Sunrise 7:05 AM
Solar Noon 11:56 AM
Sunset 4:49 PM
Moon
Waxing Crescent • 6%
Moonrise 10:45 AM
Transit 2:49 PM
Moonset 6:56 PM

Best Times for Fishing or Hunting

Major Periods

1:53 AM - 4:23 AM
2:19 PM - 4:49 PM

Minor Periods

10:15 AM - 11:45 AM
6:26 PM - 7:56 PM
Action Rating:
Good Action 3/5
Thursday, November 12, 2026

Weather Forecast

Conditions: Fog
Average Temperature: 50.7°F
Average Humidity: 96%
Chance of Rain: 5%
Wind: 5.4 mph
UV Index: 1.8

Air Quality

EPA Index 2 • Moderate
PM2.5
34.5 μg/m³
Moderate
PM10
36.6 μg/m³
Good
Ozone (O3)
23.7 μg/m³
Photochemical
NO2
17.9 μg/m³
Nitrogen Dioxide
SO2
1.1 μg/m³
Sulfur Dioxide
CO
281.7 μg/m³
Carbon Monoxide

Astronomical

Sun
9h 44m daylight
Sunrise 7:05 AM
Solar Noon 11:56 AM
Sunset 4:49 PM
Moon
Waxing Crescent • 6%
Moonrise 10:45 AM
Transit 2:49 PM
Moonset 6:56 PM

Best Times for Fishing or Hunting

Major Periods

1:53 AM - 4:23 AM
2:19 PM - 4:49 PM

Minor Periods

10:15 AM - 11:45 AM
6:26 PM - 7:56 PM
Action Rating:
Good Action 3/5
Friday, November 13, 2026

Weather Forecast

Conditions: Moderate Rain
Average Temperature: 50°F
Average Humidity: 84%
Chance of Rain: 96%
Wind: 18.1 mph
UV Index: 1.4

Air Quality

EPA Index 3 • Unhealthy for Sensitive Groups
PM2.5
9.3 μg/m³
Good
PM10
10 μg/m³
Good
Ozone (O3)
63.3 μg/m³
Photochemical
NO2
6.3 μg/m³
Nitrogen Dioxide
SO2
0.6 μg/m³
Sulfur Dioxide
CO
181.5 μg/m³
Carbon Monoxide

Astronomical

Sun
9h 42m daylight
Sunrise 7:06 AM
Solar Noon 11:57 AM
Sunset 4:48 PM
Moon
Waxing Crescent • 13%
Moonrise 11:28 AM
Transit 3:40 PM
Moonset 7:55 PM

Best Times for Fishing or Hunting

Major Periods

2:45 AM - 5:15 AM
3:10 PM - 5:40 PM

Minor Periods

10:58 AM - 12:28 PM
7:25 PM - 8:55 PM
Action Rating:
Fair Action 2/5
Saturday, November 14, 2026

Weather Forecast

Conditions: Dense Drizzle
Average Temperature: 51.3°F
Average Humidity: 82%
Chance of Rain: 78%
Wind: 16.5 mph
UV Index: 2.3

Air Quality

EPA Index 2 • Moderate
PM2.5
3.2 μg/m³
Good
PM10
3.6 μg/m³
Good
Ozone (O3)
64.1 μg/m³
Photochemical
NO2
2.3 μg/m³
Nitrogen Dioxide
SO2
0.3 μg/m³
Sulfur Dioxide
CO
127.8 μg/m³
Carbon Monoxide

Astronomical

Sun
9h 39m daylight
Sunrise 7:07 AM
Solar Noon 11:57 AM
Sunset 4:47 PM
Moon
Waxing Crescent • 21%
Moonrise 12:04 PM
Transit 4:28 PM
Moonset 8:59 PM

Best Times for Fishing or Hunting

Major Periods

3:34 AM - 6:04 AM
3:58 PM - 6:28 PM

Minor Periods

11:34 AM - 1:04 PM
8:29 PM - 9:59 PM
Action Rating:
Fair Action 2/5
Sunday, November 15, 2026

Weather Forecast

Conditions: Dense Drizzle
Average Temperature: 49.3°F
Average Humidity: 86%
Chance of Rain: 93%
Wind: 9.4 mph
UV Index: 1

Air Quality

EPA Index 1 • Good
PM2.5
8.3 μg/m³
Good
PM10
9.4 μg/m³
Good
Ozone (O3)
60.4 μg/m³
Photochemical
NO2
3.4 μg/m³
Nitrogen Dioxide
SO2
0.4 μg/m³
Sulfur Dioxide
CO
138.2 μg/m³
Carbon Monoxide

Astronomical

Sun
9h 37m daylight
Sunrise 7:09 AM
Solar Noon 11:57 AM
Sunset 4:46 PM
Moon
Waxing Crescent • 31%
Moonrise 12:33 PM
Transit 5:14 PM
Moonset 10:05 PM

Best Times for Fishing or Hunting

Major Periods

4:21 AM - 6:51 AM
4:44 PM - 7:14 PM

Minor Periods

12:03 PM - 1:33 PM
9:35 PM - 11:05 PM
Action Rating:
Very Good 4/5
Monday, November 16, 2026

Weather Forecast

Conditions: Light Drizzle
Average Temperature: 46.6°F
Average Humidity: 84%
Chance of Rain: 31%
Wind: 5.2 mph
UV Index: 2.7

Air Quality

EPA Index 2 • Moderate
PM2.5
14.2 μg/m³
Moderate
PM10
16.2 μg/m³
Good
Ozone (O3)
47 μg/m³
Photochemical
NO2
7.3 μg/m³
Nitrogen Dioxide
SO2
0.7 μg/m³
Sulfur Dioxide
CO
181.8 μg/m³
Carbon Monoxide

Astronomical

Sun
9h 35m daylight
Sunrise 7:10 AM
Solar Noon 11:57 AM
Sunset 4:45 PM
Moon
First Quarter • 42%
Moonrise 12:57 PM
Transit 5:58 PM
Moonset 11:10 PM

Best Times for Fishing or Hunting

Major Periods

5:07 AM - 7:37 AM
5:28 PM - 7:58 PM

Minor Periods

12:27 PM - 1:57 PM
10:40 PM - 12:10 AM
Action Rating:
Good Action 3/5
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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