Water Temperature of the Long Tom River in Monroe, OR

Current Water Temperature

64.8°F

Measurement Time: Monday, September 21, 2026, 5:15 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

54°F
Mostly Cloudy
Mostly Cloudy
92%
NW 2 mph
52°F

Weather Forecast

Patchy Fog
Overnight
49°F - Patchy Fog
Patchy Fog then Partly Sunny
Tuesday
72°F - Patchy Fog then Partly Sunny
Partly Cloudy
Tuesday Night
46°F - Partly Cloudy
Partly Sunny
Wednesday
71°F - Partly Sunny
Partly Cloudy
Wednesday Night
49°F - Partly Cloudy
Rain Likely
Thursday
71°F - Rain Likely
Rain
Thursday Night
50°F - Rain
Chance Showers And Thunderstorms
Friday
62°F - Chance Showers And Thunderstorms
Partly Cloudy
Friday Night
44°F - Partly Cloudy
Partly Sunny
Saturday
63°F - Partly Sunny
Mostly Cloudy
Saturday Night
45°F - Mostly Cloudy
Partly Sunny
Sunday
64°F - Partly Sunny
Partly Cloudy
Sunday Night
45°F - Partly Cloudy
Patchy Fog then Mostly Sunny
Monday
65°F - Patchy Fog then Mostly Sunny

Astronomical

Sunrise: 7:01 AM
Sun Transit: 1:05 PM
Sunset: 7:10 PM
Daylight: 12 hrs 9 mins
Moonrise: 5:32 PM
Moon Transit: 10:29 PM
Moonset: 2:29 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 84.7%

Best Times for Fishing or Hunting

Major Periods

5:02 AM - 7:32 AM
12:00 AM - 12:00 AM

Minor Periods

5:02 PM - 6:32 PM
1:59 AM - 3:29 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: 7:01 AM
Sun Transit: 1:05 PM
Sunset: 7:10 PM
Daylight: 12 hrs 9 mins
Moonrise: 5:32 PM
Moon Transit: 10:29 PM
Moonset: 2:29 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 84.7%

Best Times for Fishing or Hunting

Major Periods

5:02 AM - 7:32 AM
12:00 AM - 12:00 AM

Minor Periods

5:02 PM - 6:32 PM
1:59 AM - 3:29 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: 7:01 AM
Sun Transit: 1:05 PM
Sunset: 7:10 PM
Daylight: 12 hrs 9 mins
Moonrise: 5:32 PM
Moon Transit: 10:29 PM
Moonset: 2:29 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 84.7%

Best Times for Fishing or Hunting

Major Periods

5:02 AM - 7:32 AM
12:00 AM - 12:00 AM

Minor Periods

5:02 PM - 6:32 PM
1:59 AM - 3:29 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: 7:01 AM
Sun Transit: 1:05 PM
Sunset: 7:10 PM
Daylight: 12 hrs 9 mins
Moonrise: 5:32 PM
Moon Transit: 10:29 PM
Moonset: 2:29 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 84.7%

Best Times for Fishing or Hunting

Major Periods

5:02 AM - 7:32 AM
12:00 AM - 12:00 AM

Minor Periods

5:02 PM - 6:32 PM
1:59 AM - 3:29 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: 7:02 AM
Sun Transit: 1:05 PM
Sunset: 7:08 PM
Daylight: 12 hrs 6 mins
Moonrise: 5:54 PM
Moon Transit: 11:14 PM
Moonset: 3:37 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 91.9%

Best Times for Fishing or Hunting

Major Periods

5:47 AM - 8:17 AM
12:00 AM - 12:00 AM

Minor Periods

5:24 PM - 6:54 PM
3:07 AM - 4:37 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: 7:02 AM
Sun Transit: 1:05 PM
Sunset: 7:08 PM
Daylight: 12 hrs 6 mins
Moonrise: 5:54 PM
Moon Transit: 11:14 PM
Moonset: 3:37 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 91.9%

Best Times for Fishing or Hunting

Major Periods

5:47 AM - 8:17 AM
12:00 AM - 12:00 AM

Minor Periods

5:24 PM - 6:54 PM
3:07 AM - 4:37 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: 7:03 AM
Sun Transit: 1:05 PM
Sunset: 7:06 PM
Daylight: 12 hrs 4 mins
Moonrise: 6:14 PM
Moon Transit: 11:58 PM
Moonset: 4:46 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 97.0%

Best Times for Fishing or Hunting

Major Periods

6:32 AM - 9:02 AM
12:00 AM - 12:00 AM

Minor Periods

5:44 PM - 7:14 PM
4:16 AM - 5:46 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: 7:03 AM
Sun Transit: 1:05 PM
Sunset: 7:06 PM
Daylight: 12 hrs 4 mins
Moonrise: 6:14 PM
Moon Transit: 11:58 PM
Moonset: 4:46 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 97.0%

Best Times for Fishing or Hunting

Major Periods

6:32 AM - 9:02 AM
12:00 AM - 12:00 AM

Minor Periods

5:44 PM - 7:14 PM
4:16 AM - 5:46 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: 7:04 AM
Sun Transit: 1:04 PM
Sunset: 7:05 PM
Daylight: 12 hrs 1 mins
Moonrise: 6:33 PM
Moon Transit: 12:00 AM
Moonset: 5:56 AM
Moon Phase: Full
Moon Illumination: 99.6%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
7:16 AM - 9:46 AM

Minor Periods

6:03 PM - 7:33 PM
5:26 AM - 6:56 AM

Action Rating: 6 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: 7:04 AM
Sun Transit: 1:04 PM
Sunset: 7:05 PM
Daylight: 12 hrs 1 mins
Moonrise: 6:33 PM
Moon Transit: 12:00 AM
Moonset: 5:56 AM
Moon Phase: Full
Moon Illumination: 99.6%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
7:16 AM - 9:46 AM

Minor Periods

6:03 PM - 7:33 PM
5:26 AM - 6:56 AM

Action Rating: 6 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: 7:05 AM
Sun Transit: 1:04 PM
Sunset: 7:03 PM
Daylight: 11 hrs 58 mins
Moonrise: 6:52 PM
Moon Transit: 5:33 AM
Moonset: 7:07 AM
Moon Phase: Full
Moon Illumination: 99.7%

Best Times for Fishing or Hunting

Major Periods

5:03 AM - 7:33 AM
5:03 AM - 7:33 AM

Minor Periods

6:22 PM - 7:52 PM
6:37 AM - 8:07 AM

Action Rating: 6 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: 7:05 AM
Sun Transit: 1:04 PM
Sunset: 7:03 PM
Daylight: 11 hrs 58 mins
Moonrise: 6:52 PM
Moon Transit: 5:33 AM
Moonset: 7:07 AM
Moon Phase: Full
Moon Illumination: 99.7%

Best Times for Fishing or Hunting

Major Periods

5:03 AM - 7:33 AM
5:03 AM - 7:33 AM

Minor Periods

6:22 PM - 7:52 PM
6:37 AM - 8:07 AM

Action Rating: 6 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: 7:06 AM
Sun Transit: 1:04 PM
Sunset: 7:01 PM
Daylight: 11 hrs 55 mins
Moonrise: 7:13 PM
Moon Transit: 1:29 AM
Moonset: 8:21 AM
Moon Phase: Full
Moon Illumination: 97.3%

Best Times for Fishing or Hunting

Major Periods

12:59 AM - 3:29 AM
8:47 AM - 11:17 AM

Minor Periods

6:43 PM - 8:13 PM
7:51 AM - 9:21 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: 7:06 AM
Sun Transit: 1:04 PM
Sunset: 7:01 PM
Daylight: 11 hrs 55 mins
Moonrise: 7:13 PM
Moon Transit: 1:29 AM
Moonset: 8:21 AM
Moon Phase: Full
Moon Illumination: 97.3%

Best Times for Fishing or Hunting

Major Periods

12:59 AM - 3:29 AM
8:47 AM - 11:17 AM

Minor Periods

6:43 PM - 8:13 PM
7:51 AM - 9:21 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: 7:08 AM
Sun Transit: 1:03 PM
Sunset: 6:59 PM
Daylight: 11 hrs 52 mins
Moonrise: 7:39 PM
Moon Transit: 2:17 AM
Moonset: 9:37 AM
Moon Phase: Full
Moon Illumination: 92.4%

Best Times for Fishing or Hunting

Major Periods

1:47 AM - 4:17 AM
9:37 AM - 12:07 AM

Minor Periods

7:09 PM - 8:39 PM
9:07 AM - 10:37 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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