Water Temperature of the Long Tom River in Monroe, OR

Current Water Temperature

69.1°F

Measurement Time: Friday, September 11, 2026, 8:30 AM PDT

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

70°F
Mostly Sunny
Mostly Sunny
50%
N 3 mph
51°F

Weather Forecast

Mostly Sunny
This Afternoon
70°F - Mostly Sunny
Mostly Cloudy
Tonight
48°F - Mostly Cloudy
Partly Sunny then Showers And Thunderstorms
Saturday
66°F - Partly Sunny then Showers And Thunderstorms
Showers And Thunderstorms
Saturday Night
49°F - Showers And Thunderstorms
Chance Rain Showers
Sunday
67°F - Chance Rain Showers
Partly Cloudy
Sunday Night
47°F - Partly Cloudy
Patchy Fog then Mostly Sunny
Monday
70°F - Patchy Fog then Mostly Sunny
Mostly Clear
Monday Night
48°F - Mostly Clear
Sunny
Tuesday
73°F - Sunny
Mostly Clear
Tuesday Night
50°F - Mostly Clear
Sunny
Wednesday
82°F - Sunny
Clear
Wednesday Night
53°F - Clear
Sunny
Thursday
83°F - Sunny
Mostly Clear
Thursday Night
52°F - Mostly Clear

Astronomical

Sunrise: 6:48 AM
Sun Transit: 1:09 PM
Sunset: 7:31 PM
Daylight: 12 hrs 43 mins
Moonrise: 7:28 AM
Moon Transit: 1:39 PM
Moonset: 7:37 PM
Moon Phase: New
Moon Illumination: 1.7%

Best Times for Fishing or Hunting

Major Periods

8:56 PM - 11:26 PM
1:09 PM - 3:39 PM

Minor Periods

7:07 PM - 8:37 PM
6:58 AM - 8:28 AM

Action Rating: 5 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


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: 6:48 AM
Sun Transit: 1:09 PM
Sunset: 7:31 PM
Daylight: 12 hrs 43 mins
Moonrise: 7:28 AM
Moon Transit: 1:39 PM
Moonset: 7:37 PM
Moon Phase: New
Moon Illumination: 1.7%

Best Times for Fishing or Hunting

Major Periods

8:56 PM - 11:26 PM
1:09 PM - 3:39 PM

Minor Periods

7:07 PM - 8:37 PM
6:58 AM - 8:28 AM

Action Rating: 5 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


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: 6:48 AM
Sun Transit: 1:09 PM
Sunset: 7:31 PM
Daylight: 12 hrs 43 mins
Moonrise: 7:28 AM
Moon Transit: 1:39 PM
Moonset: 7:37 PM
Moon Phase: New
Moon Illumination: 1.7%

Best Times for Fishing or Hunting

Major Periods

8:56 PM - 11:26 PM
1:09 PM - 3:39 PM

Minor Periods

7:07 PM - 8:37 PM
6:58 AM - 8:28 AM

Action Rating: 5 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


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: 6:49 AM
Sun Transit: 1:09 PM
Sunset: 7:29 PM
Daylight: 12 hrs 39 mins
Moonrise: 8:40 AM
Moon Transit: 2:24 PM
Moonset: 7:56 PM
Moon Phase: New
Moon Illumination: 0.1%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
1:54 PM - 4:24 PM

Minor Periods

7:26 PM - 8:56 PM
8:10 AM - 9:40 AM

Action Rating: 4 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


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: 6:49 AM
Sun Transit: 1:09 PM
Sunset: 7:29 PM
Daylight: 12 hrs 39 mins
Moonrise: 8:40 AM
Moon Transit: 2:24 PM
Moonset: 7:56 PM
Moon Phase: New
Moon Illumination: 0.1%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
1:54 PM - 4:24 PM

Minor Periods

7:26 PM - 8:56 PM
8:10 AM - 9:40 AM

Action Rating: 4 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


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: 6:50 AM
Sun Transit: 1:09 PM
Sunset: 7:27 PM
Daylight: 12 hrs 36 mins
Moonrise: 9:51 AM
Moon Transit: 3:09 PM
Moonset: 8:17 PM
Moon Phase: New
Moon Illumination: 2.2%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
2:39 PM - 5:09 PM

Minor Periods

7:47 PM - 9:17 PM
9:21 AM - 10:51 AM

Action Rating: 4 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


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: 6:50 AM
Sun Transit: 1:09 PM
Sunset: 7:27 PM
Daylight: 12 hrs 36 mins
Moonrise: 9:51 AM
Moon Transit: 3:09 PM
Moonset: 8:17 PM
Moon Phase: New
Moon Illumination: 2.2%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
2:39 PM - 5:09 PM

Minor Periods

7:47 PM - 9:17 PM
9:21 AM - 10:51 AM

Action Rating: 4 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


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: 6:51 AM
Sun Transit: 1:08 PM
Sunset: 7:25 PM
Daylight: 12 hrs 33 mins
Moonrise: 11:01 AM
Moon Transit: 3:55 PM
Moonset: 8:41 PM
Moon Phase: Waxing Crescent
Moon Illumination: 6.7%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
3:25 PM - 5:55 PM

Minor Periods

8:11 PM - 9:41 PM
10:31 AM - 12:01 AM

Action Rating: 2 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


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: 6:51 AM
Sun Transit: 1:08 PM
Sunset: 7:25 PM
Daylight: 12 hrs 33 mins
Moonrise: 11:01 AM
Moon Transit: 3:55 PM
Moonset: 8:41 PM
Moon Phase: Waxing Crescent
Moon Illumination: 6.7%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
3:25 PM - 5:55 PM

Minor Periods

8:11 PM - 9:41 PM
10:31 AM - 12:01 AM

Action Rating: 2 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


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: 6:53 AM
Sun Transit: 1:08 PM
Sunset: 7:23 PM
Daylight: 12 hrs 30 mins
Moonrise: 12:10 AM
Moon Transit: 4:43 PM
Moonset: 9:09 PM
Moon Phase: Waxing Crescent
Moon Illumination: 13.4%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
4:13 PM - 6:43 PM

Minor Periods

8:39 PM - 10:09 PM
11:40 AM - 1:10 PM

Action Rating: 2 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


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: 6:53 AM
Sun Transit: 1:08 PM
Sunset: 7:23 PM
Daylight: 12 hrs 30 mins
Moonrise: 12:10 AM
Moon Transit: 4:43 PM
Moonset: 9:09 PM
Moon Phase: Waxing Crescent
Moon Illumination: 13.4%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
4:13 PM - 6:43 PM

Minor Periods

8:39 PM - 10:09 PM
11:40 AM - 1:10 PM

Action Rating: 2 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


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: 6:54 AM
Sun Transit: 1:07 PM
Sunset: 7:21 PM
Daylight: 12 hrs 27 mins
Moonrise: 1:17 PM
Moon Transit: 5:32 PM
Moonset: 9:44 PM
Moon Phase: Waxing Crescent
Moon Illumination: 22.0%

Best Times for Fishing or Hunting

Major Periods

12:02 AM - 2:32 AM
5:02 PM - 7:32 PM

Minor Periods

9:14 PM - 10:44 PM
12:47 AM - 2:17 PM

Action Rating: 3 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


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: 6:54 AM
Sun Transit: 1:07 PM
Sunset: 7:21 PM
Daylight: 12 hrs 27 mins
Moonrise: 1:17 PM
Moon Transit: 5:32 PM
Moonset: 9:44 PM
Moon Phase: Waxing Crescent
Moon Illumination: 22.0%

Best Times for Fishing or Hunting

Major Periods

12:02 AM - 2:32 AM
5:02 PM - 7:32 PM

Minor Periods

9:14 PM - 10:44 PM
12:47 AM - 2:17 PM

Action Rating: 3 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


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: 6:55 AM
Sun Transit: 1:07 PM
Sunset: 7:19 PM
Daylight: 12 hrs 24 mins
Moonrise: 2:19 PM
Moon Transit: 6:23 PM
Moonset: 10:27 PM
Moon Phase: Waxing Crescent
Moon Illumination: 32.1%

Best Times for Fishing or Hunting

Major Periods

12:52 AM - 3:22 AM
5:53 PM - 8:23 PM

Minor Periods

9:57 PM - 11:27 PM
1:49 PM - 3:19 PM

Action Rating: 2 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


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: 6:55 AM
Sun Transit: 1:07 PM
Sunset: 7:19 PM
Daylight: 12 hrs 24 mins
Moonrise: 2:19 PM
Moon Transit: 6:23 PM
Moonset: 10:27 PM
Moon Phase: Waxing Crescent
Moon Illumination: 32.1%

Best Times for Fishing or Hunting

Major Periods

12:52 AM - 3:22 AM
5:53 PM - 8:23 PM

Minor Periods

9:57 PM - 11:27 PM
1:49 PM - 3:19 PM

Action Rating: 2 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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