Water Temperature of the Long Tom River in Monroe, OR

Current Water Temperature

49.8°F

Measurement Time: Friday, November 28, 2025, 4:00 PM 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 / 87 meters

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 (31.0 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 (38.0 mi)

Weather for Monroe, Oregon

Current Weather

44.1°F
Clear
Conditions: Clear
Humidity: 96%
Feels Like: 42°F
Wind: NNE 4 mph
Wind Gusts: 8 mph
Pressure: 30.18 in
Precipitation: 0 in
Cloud Cover: 0%
Visibility: 9 mi
UV Index: 0

Five Day Weather Forecast

Overcast
Sat
H: 47°F
L: 34°F
Fog
Sun
H: 50°F
L: 43°F
Cloudy
Mon
H: 48°F
L: 34°F
Patchy rain nearby
Tue
H: 53°F
L: 39°F
Partly Cloudy
Wed
H: 49°F
L: 37°F

Air Quality

PM2.5: 8.45 μg/m3
PM10: 8.55 μg/m3
Carbon Monoxide: 216.85 μg/m3
Nitrogen Dioxide: 9.85 μg/m3
Sulphur Dioxide: 1.55 μg/m3
Ozone: 22 μg/m3

Astronomical

Sunrise: 7:27 AM
Sun Transit: 12:01 AM
Sunset: 4:36 PM
Daylight: 9 hrs 9 mins
Moonrise: 1:27 PM
Moon Transit: 6:12 PM
Moonset: 12:51 AM
Moon Phase: First Quarter
Moon Illumination: 68.7%

Best Times for Fishing or Hunting

Major Periods

2:10 AM - 4:40 AM
5:42 PM - 8:12 PM

Minor Periods

12:57 AM - 2:27 PM
12:21 AM - 1:51 AM

Action Rating: 2 out of 5

Beach Hazards Statement issued November 28 at 2:00PM PST until December 3 at 10:00PM PST by NWS Portland OR

Effective: Fri November 28, 2025, 2:00 PM
Expires: Sat November 29, 2025, 4:00 PM

* WHAT...Sneaker waves possible. * WHERE...North and Central Coast of Oregon, and South Washington Coast. * WHEN...From Tuesday morning through Wednesday evening. * IMPACTS...Waves can run up significantly farther on a beach than normal, including over rocks and jetties. Sneaker waves can suddenly knock beachgoers off if their feet and quickly pull them into the frigid ocean which may lead to serious injury or drowning. * ADDITIONAL DETAILS...A Beach Hazards Statement is issued when sneaker waves create potentially life-threatening conditions in the surf zone. Caution should be used when in or near the water. Always keep an eye on the waves, and be especially watchful of children. Those participating in razor clam digs should additionally exercise caution.

Remain out of the water to avoid hazardous swimming conditions.
Saturday, November 29, 2025

Weather Forecast

Conditions: Overcast
Average Temperature: 42.6°F
Average Humidity: 90%
Chance of Rain: 0%
Wind: 4 mph
UV Index: 0.2

Air Quality

AQI: 1 - Good
PM2.5: 7.18 μg/m3
PM10: 7.66 μg/m3
Carbon Monoxide: 198.89 μg/m3
Nitrogen Dioxide: 10.94 μg/m3
Sulphur Dioxide: 1.72 μg/m3
Ozone: 28.64 μg/m3

Astronomical

Sunrise: 7:27 AM
Sun Transit: 12:01 AM
Sunset: 4:36 PM
Daylight: 9 hrs 9 mins
Moonrise: 1:27 PM
Moon Transit: 6:12 PM
Moonset: 12:51 AM
Moon Phase: First Quarter
Moon Illumination: 68.7%

Best Times for Fishing or Hunting

Major Periods

2:10 AM - 4:40 AM
5:42 PM - 8:12 PM

Minor Periods

12:57 AM - 2:27 PM
12:21 AM - 1:51 AM

Action Rating: 2 out of 5

Sunday, November 30, 2025

Weather Forecast

Conditions: Fog
Average Temperature: 46.8°F
Average Humidity: 94%
Chance of Rain: 0%
Wind: 6.7 mph
UV Index: 0.2

Air Quality

AQI: 1 - Good
PM2.5: 9.99 μg/m3
PM10: 10.24 μg/m3
Carbon Monoxide: 198.77 μg/m3
Nitrogen Dioxide: 18.73 μg/m3
Sulphur Dioxide: 2.75 μg/m3
Ozone: 19.92 μg/m3

Astronomical

Sunrise: 7:28 AM
Sun Transit: 12:02 AM
Sunset: 4:36 PM
Daylight: 9 hrs 8 mins
Moonrise: 1:47 PM
Moon Transit: 8:27 PM
Moonset: 2:05 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 78.6%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
7:57 PM - 10:27 PM

Minor Periods

1:17 PM - 2:47 PM
1:35 AM - 3:05 AM

Action Rating: 2 out of 5

Monday, December 1, 2025

Weather Forecast

Conditions: Cloudy
Average Temperature: 40.8°F
Average Humidity: 81%
Chance of Rain: 0%
Wind: 4 mph
UV Index: 0.2

Air Quality

AQI: 1 - Good
PM2.5: 13.11 μg/m3
PM10: 13.52 μg/m3
Carbon Monoxide: 255.53 μg/m3
Nitrogen Dioxide: 18.91 μg/m3
Sulphur Dioxide: 3.6 μg/m3
Ozone: 21.72 μg/m3

Astronomical

Sunrise: 7:29 AM
Sun Transit: 12:02 AM
Sunset: 4:35 PM
Daylight: 9 hrs 6 mins
Moonrise: 2:10 PM
Moon Transit: 9:19 PM
Moonset: 3:23 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 87.1%

Best Times for Fishing or Hunting

Major Periods

3:46 AM - 6:16 AM
8:49 PM - 11:19 PM

Minor Periods

1:40 PM - 3:10 PM
2:53 AM - 4:23 AM

Action Rating: 2 out of 5

Tuesday, December 2, 2025

Weather Forecast

Conditions: Patchy rain nearby
Average Temperature: 45.4°F
Average Humidity: 82%
Chance of Rain: 88%
Wind: 6.9 mph
UV Index: 0.2

Air Quality

AQI: 1 - Good
PM2.5: 14.51 μg/m3
PM10: 15.23 μg/m3
Carbon Monoxide: 343.93 μg/m3
Nitrogen Dioxide: 23.04 μg/m3
Sulphur Dioxide: 3.03 μg/m3
Ozone: 14.08 μg/m3

Astronomical

Sunrise: 7:30 AM
Sun Transit: 12:02 AM
Sunset: 4:35 PM
Daylight: 9 hrs 5 mins
Moonrise: 2:38 PM
Moon Transit: 10:16 PM
Moonset: 4:46 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 93.7%

Best Times for Fishing or Hunting

Major Periods

4:40 AM - 7:10 AM
12:00 AM - 12:00 AM

Minor Periods

2:08 PM - 3:38 PM
4:16 AM - 5:46 AM

Action Rating: 3 out of 5

Wednesday, December 3, 2025

Weather Forecast

Conditions: Partly Cloudy
Average Temperature: 40.7°F
Average Humidity: 88%
Chance of Rain: 0%
Wind: 2.5 mph
UV Index: 0

Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 7:31 AM
Sun Transit: 12:03 AM
Sunset: 4:35 PM
Daylight: 9 hrs 4 mins
Moonrise: 3:14 PM
Moon Transit: 11:18 PM
Moonset: 6:11 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 98.1%

Best Times for Fishing or Hunting

Major Periods

5:39 AM - 8:09 AM
12:00 AM - 12:00 AM

Minor Periods

2:44 PM - 4:14 PM
5:41 AM - 7:11 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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