Water Temperature of the Long Tom River in Monroe, OR

Current Water Temperature

67.1°F

Measurement Time: Monday, September 14, 2026, 9:40 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

69°F
Sunny
Sunny
58%
N 6 mph
54°F

Weather Forecast

Sunny
This Afternoon
71°F - Sunny
Mostly Clear
Tonight
49°F - Mostly Clear
Patchy Fog then Partly Sunny
Tuesday
70°F - Patchy Fog then Partly Sunny
Partly Cloudy
Tuesday Night
50°F - Partly Cloudy
Sunny
Wednesday
78°F - Sunny
Clear
Wednesday Night
53°F - Clear
Sunny
Thursday
81°F - Sunny
Mostly Clear
Thursday Night
52°F - Mostly Clear
Sunny
Friday
77°F - Sunny
Mostly Clear
Friday Night
51°F - Mostly Clear
Sunny
Saturday
77°F - Sunny
Mostly Clear
Saturday Night
51°F - Mostly Clear
Sunny
Sunday
77°F - Sunny
Partly Cloudy
Sunday Night
50°F - Partly Cloudy

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: 6:51 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

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: 6:56 AM
Sun Transit: 1:07 PM
Sunset: 7:17 PM
Daylight: 12 hrs 21 mins
Moonrise: 3:13 PM
Moon Transit: 7:15 PM
Moonset: 11:18 PM
Moon Phase: First Quarter
Moon Illumination: 43.0%

Best Times for Fishing or Hunting

Major Periods

1:43 AM - 4:13 AM
6:45 PM - 9:15 PM

Minor Periods

12:00 AM - 12:00 AM
2:43 PM - 4:13 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: 6:56 AM
Sun Transit: 1:07 PM
Sunset: 7:17 PM
Daylight: 12 hrs 21 mins
Moonrise: 3:13 PM
Moon Transit: 7:15 PM
Moonset: 11:18 PM
Moon Phase: First Quarter
Moon Illumination: 43.0%

Best Times for Fishing or Hunting

Major Periods

1:43 AM - 4:13 AM
6:45 PM - 9:15 PM

Minor Periods

12:00 AM - 12:00 AM
2:43 PM - 4:13 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: 6:57 AM
Sun Transit: 1:06 PM
Sunset: 7:16 PM
Daylight: 12 hrs 18 mins
Moonrise: 3:59 PM
Moon Transit: 8:06 PM
Moonset: 12:18 AM
Moon Phase: First Quarter
Moon Illumination: 54.3%

Best Times for Fishing or Hunting

Major Periods

2:35 AM - 5:05 AM
7:36 PM - 10:06 PM

Minor Periods

3:29 PM - 4:59 PM
12:00 AM - 12:00 AM

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: 6:57 AM
Sun Transit: 1:06 PM
Sunset: 7:16 PM
Daylight: 12 hrs 18 mins
Moonrise: 3:59 PM
Moon Transit: 8:06 PM
Moonset: 12:18 AM
Moon Phase: First Quarter
Moon Illumination: 54.3%

Best Times for Fishing or Hunting

Major Periods

2:35 AM - 5:05 AM
7:36 PM - 10:06 PM

Minor Periods

3:29 PM - 4:59 PM
12:00 AM - 12:00 AM

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: 6:58 AM
Sun Transit: 1:06 PM
Sunset: 7:14 PM
Daylight: 12 hrs 15 mins
Moonrise: 4:37 PM
Moon Transit: 8:56 PM
Moonset: 12:17 AM
Moon Phase: First Quarter
Moon Illumination: 65.4%

Best Times for Fishing or Hunting

Major Periods

3:25 AM - 5:55 AM
8:26 PM - 10:56 PM

Minor Periods

4:07 PM - 5:37 PM
12:00 AM - 12:00 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: 6:58 AM
Sun Transit: 1:06 PM
Sunset: 7:14 PM
Daylight: 12 hrs 15 mins
Moonrise: 4:37 PM
Moon Transit: 8:56 PM
Moonset: 12:17 AM
Moon Phase: First Quarter
Moon Illumination: 65.4%

Best Times for Fishing or Hunting

Major Periods

3:25 AM - 5:55 AM
8:26 PM - 10:56 PM

Minor Periods

4:07 PM - 5:37 PM
12:00 AM - 12:00 AM

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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