Water Temperature of the Long Tom River in Monroe, OR
Current Water Temperature
Measurement Time: Monday, July 7, 2025, 5:00 AM PDT
Temperature Locations
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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

Humidity: 33%
Feels Like: 82.1°F
Wind: NNE 8.9 mph
Wind Gusts: 10.3 mph
Precipitation: 0 in
Cloud Cover: 0%
Visibility: 9 mi
UV Index: 8.1
Five Day Weather Forecast

Mon
H: 89°F
L: 55°F

Tue
H: 87°F
L: 55°F

Wed
H: 77°F
L: 54°F

Thu
H: 78°F
L: 58°F

Fri
H: 93°F
L: 52°F
Air Quality
Nitrogen Dioxide: 3.7 μg/m3
Sulphur Dioxide: 1.48 μg/m3
Ozone: 94 μg/m3
Astronomical
Sun Transit: 1:18 PM
Sunset: 8:59 PM
Daylight: 15 hrs 22 mins
Moon Transit: 11:04 PM
Moonset: 2:27 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 91.7%
Best Times for Fishing or Hunting
Major Periods
5:33 AM - 8:03 AM12:00 AM - 12:00 AM
Minor Periods
6:29 PM - 7:59 PM1:57 AM - 3:27 AM
Action Rating: 3 out of 5
Fire Weather Watch issued July 6 at 1:40PM PDT until July 8 at 11:00PM PDT by NWS Pendleton OR
Effective: Sun July 6, 2025, 1:40 PM
Expires: Mon July 7, 2025, 2:00 PM
...DRY THUNDERSTORMS EXPECTED FOR TUESDAY AFTERNOON THROUGH TUESDAY EVENING FOR ABUNDANT LIGHTNING FOR THE CENTRAL MOUNTAINS OF OREGON AND SOUTHERN DESCHUTES NATIONAL FOREST... .The ridge of high pressure is anticipated to break down Tuesday afternoon with a dry cold front making its way into the region. Ahead of the front, instability is expected to increase along with an influx of mid-level moisture. This will lead to convection along the central mountains of Oregon and through the southern Deschutes National Forest Tuesday afternoon. Dry thunderstorms will be isolated. The National Weather Service in Pendleton has issued a Fire Weather Watch for abundant lightning, which is in effect from Tuesday afternoon through Tuesday evening. * AFFECTED AREA...Fire Weather Zones 700 Central Mountains of Oregon and 705 Southern Deschutes National Forest. * TIMING...From Tuesday afternoon through Tuesday evening. * IMPACTS...Any fire that develops will catch and spread quickly. Outdoor burning is not recommended. * THUNDERSTORMS...Storms are mostly expected to be dry with rainfall amounts less than a tenth of an inch, though a few storms could produce rainfall amounts in excess of a tenth of an inch. * OUTFLOW WINDS...As high as 45 mph.
A Fire Weather Watch means that critical fire weather conditions are forecast to occur. Listen for later forecasts and possible Red Flag Warnings.
Fire Weather Watch issued July 6 at 1:40PM PDT until July 8 at 11:00PM PDT by NWS Pendleton OR
Effective: Sun July 6, 2025, 1:40 PM
Expires: Mon July 7, 2025, 2:00 PM
...DRY THUNDERSTORMS EXPECTED FOR TUESDAY AFTERNOON THROUGH TUESDAY EVENING FOR ABUNDANT LIGHTNING FOR THE CENTRAL MOUNTAINS OF OREGON AND SOUTHERN DESCHUTES NATIONAL FOREST... .The ridge of high pressure is anticipated to break down Tuesday afternoon with a dry cold front making its way into the region. Ahead of the front, instability is expected to increase along with an influx of mid-level moisture. This will lead to convection along the central mountains of Oregon and through the southern Deschutes National Forest Tuesday afternoon. Dry thunderstorms will be isolated. The National Weather Service in Pendleton has issued a Fire Weather Watch for abundant lightning, which is in effect from Tuesday afternoon through Tuesday evening. * AFFECTED AREA...Fire Weather Zones 700 Central Mountains of Oregon and 705 Southern Deschutes National Forest. * TIMING...From Tuesday afternoon through Tuesday evening. * IMPACTS...Any fire that develops will catch and spread quickly. Outdoor burning is not recommended. * THUNDERSTORMS...Storms are mostly expected to be dry with rainfall amounts less than a tenth of an inch, though a few storms could produce rainfall amounts in excess of a tenth of an inch. * OUTFLOW WINDS...As high as 45 mph.
A Fire Weather Watch means that critical fire weather conditions are forecast to occur. Listen for later forecasts and possible Red Flag Warnings.
Weather Forecast
Average Temperature: 72.4°F
Average Humidity: 61%
Wind: 8.9 mph
UV Index: 2.4
Air Quality
Nitrogen Dioxide: 5.37 μg/m3
Sulphur Dioxide: 1.27 μg/m3
Ozone: 62.08 μg/m3
Astronomical
Sun Transit: 1:18 PM
Sunset: 8:59 PM
Daylight: 15 hrs 22 mins
Moon Transit: 11:04 PM
Moonset: 2:27 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 91.7%
Best Times for Fishing or Hunting
Major Periods
5:33 AM - 8:03 AM12:00 AM - 12:00 AM
Minor Periods
6:29 PM - 7:59 PM1:57 AM - 3:27 AM
Action Rating: 3 out of 5
Weather Forecast
Average Temperature: 69.3°F
Average Humidity: 68%
Wind: 13.2 mph
UV Index: 2.4
Air Quality
Nitrogen Dioxide: 6.76 μg/m3
Sulphur Dioxide: 1.34 μg/m3
Ozone: 59.36 μg/m3
Astronomical
Sun Transit: 1:18 PM
Sunset: 8:59 PM
Daylight: 15 hrs 21 mins
Moon Transit: 11:58 PM
Moonset: 3:08 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 96.8%
Best Times for Fishing or Hunting
Major Periods
6:25 AM - 8:55 AM12:00 AM - 12:00 AM
Minor Periods
7:28 PM - 8:58 PM2:38 AM - 4:08 AM
Action Rating: 3 out of 5
Weather Forecast
Average Temperature: 62.4°F
Average Humidity: 81%
Wind: 13.6 mph
UV Index: 2.1
Air Quality
Nitrogen Dioxide: 4.14 μg/m3
Sulphur Dioxide: 0.46 μg/m3
Ozone: 39 μg/m3
Astronomical
Sun Transit: 1:18 PM
Sunset: 8:58 PM
Daylight: 15 hrs 20 mins
Moon Transit: 12:00 AM
Moonset: 3:59 AM
Moon Phase: Full
Moon Illumination: 99.6%
Best Times for Fishing or Hunting
Major Periods
12:00 AM - 12:00 AM7:19 AM - 9:49 AM
Minor Periods
8:20 PM - 9:50 PM3:29 AM - 4:59 AM
Action Rating: 3 out of 5
Weather Forecast
Average Temperature: 65.1°F
Average Humidity: 68%
Wind: 11.4 mph
UV Index: 2.5
Air Quality
Nitrogen Dioxide: 2.52 μg/m3
Sulphur Dioxide: 0.4 μg/m3
Ozone: 33.77 μg/m3
Astronomical
Sun Transit: 1:18 PM
Sunset: 8:58 PM
Daylight: 15 hrs 18 mins
Moon Transit: 12:53 AM
Moonset: 5:01 AM
Moon Phase: Full
Moon Illumination: 99.8%
Best Times for Fishing or Hunting
Major Periods
12:23 AM - 2:53 AM8:14 AM - 10:44 AM
Minor Periods
9:01 PM - 10:31 PM4:31 AM - 6:01 AM
Action Rating: 5 out of 5
Weather Forecast
Average Temperature: 69.7°F
Average Humidity: 55%
Wind: 10.3 mph
UV Index: 0
Air Quality
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3
Astronomical
Sun Transit: 1:18 PM
Sunset: 8:57 PM
Daylight: 15 hrs 17 mins
Moon Transit: 1:47 AM
Moonset: 6:10 AM
Moon Phase: Full
Moon Illumination: 97.4%
Best Times for Fishing or Hunting
Major Periods
1:17 AM - 3:47 AM9:07 AM - 11:37 AM
Minor Periods
9:35 PM - 11:05 PM5:40 AM - 7:10 AM
Action Rating: 4 out of 5