Water Temperature of the Long Tom River in Monroe, OR

Current Water Temperature

54.7°F 12.6°C
Cold Thermal Gear Required
54.7°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: Sunday, November 8, 2026, 3:40 AM PST

Temperature Locations

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Long Tom River

Station Name: LONG TOM RIVER AT MONROE, OR
Data Source: Water Data - usgc.gov

Elevation Above Sea Level: 285 feet

Nearest Address:
475 S Fifth St
Monroe, OR 97456
Benton County

GPS Coordinates: 44.31290047, -123.2964859

Nearby Water Temperatures

Willamette River , Harrisburg, OR (6.7 mi)
Long Tom River, Alvadore, OR (13.1 mi)
Willamette River , Eugene, OR (17.7 mi)
McKenzie River, Eugene, OR (18.5 mi)
McKenzie River, Springfield, OR (23.4 mi)
Willamette River , Albany, OR (24.4 mi)
Cedar Creek, Thurston, OR (25.6 mi)
Camp Creek, Springfield, OR (26.4 mi)
South Santiam River, Waterloo, OR (26.6 mi)
South Santiam River, Sweet Home, OR (30.8 mi)
McKenzie River, Walterville, OR (31 mi)
North Santiam River, Jefferson, OR (31.6 mi)
Santiam River, Jefferson, OR (31.8 mi)
Middle Fork Willamette River, Fall Creek, OR (34.1 mi)
Middle Santiam River, Foster, OR (38 mi)

Weather for Monroe, Oregon

Current Weather

56.6°F
Overcast
Conditions: Overcast
Humidity: 71%
Feels Like: 54.3°F
Wind: SSW 3.6 mph
Wind Gusts: 4.5 mph
Pressure: 30.21 in
Precipitation: 0 in
Cloud Cover: 100%
Visibility: 6 mi
UV Index: 1.1

Weather Forecast

Overcast
Sun
H: 58°F
L: 47°F
Overcast
Mon
H: 56°F
L: 46°F
Overcast
Tue
H: 65°F
L: 51°F

Air Quality

EPA Index 1 • Good

Air quality is satisfactory, and air pollution poses little or no risk.

PM2.5
11.3 μg/m³
Good
PM10
18.3 μg/m³
Good
Ozone (O3)
65 μg/m³
Photochemical
NO2
2 μg/m³
Nitrogen Dioxide
SO2
0.3 μg/m³
Sulfur Dioxide
CO
124 μg/m³
Carbon Monoxide

Astronomical

Sun
9h 54m daylight
Sunrise 7:00 AM
Solar Noon 11:56 AM
Sunset 4:54 PM
Moon
New • 0%
Moonrise 6:38 AM
Transit 11:28 AM
Moonset 4:11 PM

Best Times for Fishing or Hunting

Major Periods

10:58 AM - 1:28 PM
11:22 PM - 1:52 AM

Minor Periods

6:08 AM - 7:38 AM
3:41 PM - 5:11 PM
Action Rating:
Very Good 4/5
Sunday, November 8, 2026

Weather Forecast

Conditions: Overcast
Average Temperature: 53.3°F
Average Humidity: 83%
Chance of Rain: 49%
Wind: 15.2 mph
UV Index: 1.3

Astronomical

Sun
9h 54m daylight
Sunrise 7:00 AM
Solar Noon 11:56 AM
Sunset 4:54 PM
Moon
New • 0%
Moonrise 6:38 AM
Transit 11:28 AM
Moonset 4:11 PM

Best Times for Fishing or Hunting

Major Periods

10:58 AM - 1:28 PM
11:22 PM - 1:52 AM

Minor Periods

6:08 AM - 7:38 AM
3:41 PM - 5:11 PM
Action Rating:
Very Good 4/5
Monday, November 9, 2026

Weather Forecast

Conditions: Overcast
Average Temperature: 51.3°F
Average Humidity: 90%
Chance of Rain: 90%
Wind: 10.5 mph
UV Index: 1.6

Astronomical

Sun
9h 51m daylight
Sunrise 7:01 AM
Solar Noon 11:57 AM
Sunset 4:52 PM
Moon
New • 2%
Moonrise 7:46 AM
Transit 12:16 PM
Moonset 4:42 PM

Best Times for Fishing or Hunting

Major Periods

12:11 AM - 2:41 AM
11:46 AM - 2:16 PM

Minor Periods

7:16 AM - 8:46 AM
4:12 PM - 5:42 PM
Action Rating:
Very Good 4/5
Tuesday, November 10, 2026

Weather Forecast

Conditions: Overcast
Average Temperature: 56°F
Average Humidity: 88%
Chance of Rain: 41%
Wind: 8.5 mph
UV Index: 2.1

Astronomical

Sun
9h 49m daylight
Sunrise 7:03 AM
Solar Noon 11:57 AM
Sunset 4:51 PM
Moon
New • 0%
Moonrise 8:52 AM
Transit 1:07 PM
Moonset 5:18 PM

Best Times for Fishing or Hunting

Major Periods

12:11 AM - 2:41 AM
12:37 PM - 3:07 PM

Minor Periods

8:22 AM - 9:52 AM
4:48 PM - 6:18 PM
Action Rating:
Very Good 4/5
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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