Water Temperature of the Long Tom River in Monroe, OR

Current Water Temperature

64.0°F

Measurement Time: Monday, October 5, 2026, 10:30 PM 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

51°F
Patchy Fog
Patchy Fog
94%
N 3 mph
49°F

Weather Forecast

Patchy Fog
Overnight
49°F - Patchy Fog
Patchy Fog then Mostly Sunny
Tuesday
76°F - Patchy Fog then Mostly Sunny
Clear then Patchy Fog
Tuesday Night
49°F - Clear then Patchy Fog
Patchy Fog then Sunny
Wednesday
79°F - Patchy Fog then Sunny
Clear
Wednesday Night
50°F - Clear
Sunny
Thursday
81°F - Sunny
Mostly Clear
Thursday Night
50°F - Mostly Clear
Mostly Sunny
Friday
73°F - Mostly Sunny
Partly Cloudy
Friday Night
45°F - Partly Cloudy
Mostly Sunny
Saturday
63°F - Mostly Sunny
Mostly Clear
Saturday Night
41°F - Mostly Clear
Sunny
Sunday
66°F - Sunny
Mostly Clear
Sunday Night
39°F - Mostly Clear
Sunny
Columbus Day
69°F - Sunny

Astronomical

Sunrise: 7:17 AM
Sun Transit: 1:01 PM
Sunset: 6:45 PM
Daylight: 11 hrs 28 mins
Moonrise: 2:42 AM
Moon Transit: 9:58 AM
Moonset: 5:00 PM
Moon Phase: Waning Crescent
Moon Illumination: 14.1%

Best Times for Fishing or Hunting

Major Periods

5:17 PM - 7:47 PM
9:28 AM - 11:58 AM

Minor Periods

4:30 PM - 6:00 PM
2:12 AM - 3:42 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: 7:17 AM
Sun Transit: 1:01 PM
Sunset: 6:45 PM
Daylight: 11 hrs 28 mins
Moonrise: 2:42 AM
Moon Transit: 9:58 AM
Moonset: 5:00 PM
Moon Phase: Waning Crescent
Moon Illumination: 14.1%

Best Times for Fishing or Hunting

Major Periods

5:17 PM - 7:47 PM
9:28 AM - 11:58 AM

Minor Periods

4:30 PM - 6:00 PM
2:12 AM - 3:42 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: 7:17 AM
Sun Transit: 1:01 PM
Sunset: 6:45 PM
Daylight: 11 hrs 28 mins
Moonrise: 2:42 AM
Moon Transit: 9:58 AM
Moonset: 5:00 PM
Moon Phase: Waning Crescent
Moon Illumination: 14.1%

Best Times for Fishing or Hunting

Major Periods

5:17 PM - 7:47 PM
9:28 AM - 11:58 AM

Minor Periods

4:30 PM - 6:00 PM
2:12 AM - 3:42 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: 7:17 AM
Sun Transit: 1:01 PM
Sunset: 6:45 PM
Daylight: 11 hrs 28 mins
Moonrise: 2:42 AM
Moon Transit: 9:58 AM
Moonset: 5:00 PM
Moon Phase: Waning Crescent
Moon Illumination: 14.1%

Best Times for Fishing or Hunting

Major Periods

5:17 PM - 7:47 PM
9:28 AM - 11:58 AM

Minor Periods

4:30 PM - 6:00 PM
2:12 AM - 3:42 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: 7:18 AM
Sun Transit: 1:00 PM
Sunset: 6:43 PM
Daylight: 11 hrs 25 mins
Moonrise: 3:57 AM
Moon Transit: 10:46 AM
Moonset: 5:21 PM
Moon Phase: Waning Crescent
Moon Illumination: 7.2%

Best Times for Fishing or Hunting

Major Periods

6:04 PM - 8:34 PM
10:16 AM - 12:46 AM

Minor Periods

4:51 PM - 6:21 PM
3:27 AM - 4:57 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: 7:18 AM
Sun Transit: 1:00 PM
Sunset: 6:43 PM
Daylight: 11 hrs 25 mins
Moonrise: 3:57 AM
Moon Transit: 10:46 AM
Moonset: 5:21 PM
Moon Phase: Waning Crescent
Moon Illumination: 7.2%

Best Times for Fishing or Hunting

Major Periods

6:04 PM - 8:34 PM
10:16 AM - 12:46 AM

Minor Periods

4:51 PM - 6:21 PM
3:27 AM - 4:57 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: 7:19 AM
Sun Transit: 1:00 PM
Sunset: 6:41 PM
Daylight: 11 hrs 22 mins
Moonrise: 5:10 AM
Moon Transit: 11:32 AM
Moonset: 5:41 PM
Moon Phase: Waning Crescent
Moon Illumination: 2.5%

Best Times for Fishing or Hunting

Major Periods

6:50 PM - 9:20 PM
11:02 AM - 1:32 PM

Minor Periods

5:11 PM - 6:41 PM
4:40 AM - 6:10 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: 7:19 AM
Sun Transit: 1:00 PM
Sunset: 6:41 PM
Daylight: 11 hrs 22 mins
Moonrise: 5:10 AM
Moon Transit: 11:32 AM
Moonset: 5:41 PM
Moon Phase: Waning Crescent
Moon Illumination: 2.5%

Best Times for Fishing or Hunting

Major Periods

6:50 PM - 9:20 PM
11:02 AM - 1:32 PM

Minor Periods

5:11 PM - 6:41 PM
4:40 AM - 6:10 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: 7:21 AM
Sun Transit: 1:00 PM
Sunset: 6:39 PM
Daylight: 11 hrs 19 mins
Moonrise: 6:22 AM
Moon Transit: 12:17 AM
Moonset: 6:00 PM
Moon Phase: Waning Crescent
Moon Illumination: 0.2%

Best Times for Fishing or Hunting

Major Periods

7:34 PM - 10:04 PM
11:47 AM - 2:17 PM

Minor Periods

5:30 PM - 7:00 PM
5:52 AM - 7:22 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: 7:21 AM
Sun Transit: 1:00 PM
Sunset: 6:39 PM
Daylight: 11 hrs 19 mins
Moonrise: 6:22 AM
Moon Transit: 12:17 AM
Moonset: 6:00 PM
Moon Phase: Waning Crescent
Moon Illumination: 0.2%

Best Times for Fishing or Hunting

Major Periods

7:34 PM - 10:04 PM
11:47 AM - 2:17 PM

Minor Periods

5:30 PM - 7:00 PM
5:52 AM - 7:22 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: 7:22 AM
Sun Transit: 1:00 PM
Sunset: 6:38 PM
Daylight: 11 hrs 16 mins
Moonrise: 7:32 AM
Moon Transit: 1:01 PM
Moonset: 6:21 PM
Moon Phase: New
Moon Illumination: 0.5%

Best Times for Fishing or Hunting

Major Periods

8:19 PM - 10:49 PM
12:31 AM - 3:01 PM

Minor Periods

5:51 PM - 7:21 PM
7:02 AM - 8:32 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: 7:22 AM
Sun Transit: 1:00 PM
Sunset: 6:38 PM
Daylight: 11 hrs 16 mins
Moonrise: 7:32 AM
Moon Transit: 1:01 PM
Moonset: 6:21 PM
Moon Phase: New
Moon Illumination: 0.5%

Best Times for Fishing or Hunting

Major Periods

8:19 PM - 10:49 PM
12:31 AM - 3:01 PM

Minor Periods

5:51 PM - 7:21 PM
7:02 AM - 8:32 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: 7:23 AM
Sun Transit: 1:00 PM
Sunset: 6:36 PM
Daylight: 11 hrs 13 mins
Moonrise: 8:43 AM
Moon Transit: 1:47 PM
Moonset: 6:43 PM
Moon Phase: New
Moon Illumination: 3.3%

Best Times for Fishing or Hunting

Major Periods

9:05 PM - 11:35 PM
1:17 PM - 3:47 PM

Minor Periods

6:13 PM - 7:43 PM
8:13 AM - 9:43 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: 7:23 AM
Sun Transit: 1:00 PM
Sunset: 6:36 PM
Daylight: 11 hrs 13 mins
Moonrise: 8:43 AM
Moon Transit: 1:47 PM
Moonset: 6:43 PM
Moon Phase: New
Moon Illumination: 3.3%

Best Times for Fishing or Hunting

Major Periods

9:05 PM - 11:35 PM
1:17 PM - 3:47 PM

Minor Periods

6:13 PM - 7:43 PM
8:13 AM - 9:43 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: 7:24 AM
Sun Transit: 1:00 PM
Sunset: 6:34 PM
Daylight: 11 hrs 10 mins
Moonrise: 9:52 AM
Moon Transit: 2:34 PM
Moonset: 7:09 PM
Moon Phase: New
Moon Illumination: 0.8%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
2:04 PM - 4:34 PM

Minor Periods

6:39 PM - 8:09 PM
9:22 AM - 10:52 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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