Water Temperature of the Long Tom River in Monroe, OR

Current Water Temperature

65.1°F

Measurement Time: Wednesday, September 23, 2026, 3:30 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

58°F
Partly Cloudy
Partly Cloudy
82%
N 3 mph
53°F

Weather Forecast

Partly Cloudy
Tonight
48°F - Partly Cloudy
Mostly Cloudy then Chance Light Rain
Thursday
74°F - Mostly Cloudy then Chance Light Rain
Rain
Thursday Night
52°F - Rain
Showers And Thunderstorms Likely
Friday
62°F - Showers And Thunderstorms Likely
Partly Cloudy
Friday Night
44°F - Partly Cloudy
Mostly Sunny
Saturday
63°F - Mostly Sunny
Partly Cloudy
Saturday Night
44°F - Partly Cloudy
Mostly Sunny
Sunday
65°F - Mostly Sunny
Mostly Clear
Sunday Night
44°F - Mostly Clear
Mostly Sunny
Monday
66°F - Mostly Sunny
Partly Cloudy
Monday Night
45°F - Partly Cloudy
Mostly Sunny then Slight Chance Light Rain
Tuesday
68°F - Mostly Sunny then Slight Chance Light Rain
Slight Chance Light Rain then Partly Cloudy
Tuesday Night
47°F - Slight Chance Light Rain then Partly Cloudy
Partly Sunny
Wednesday
67°F - Partly Sunny

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

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

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: 7:09 AM
Sun Transit: 1:03 PM
Sunset: 6:57 PM
Daylight: 11 hrs 49 mins
Moonrise: 8:11 PM
Moon Transit: 3:10 AM
Moonset: 10:57 AM
Moon Phase: Waning Gibbous
Moon Illumination: 85.4%

Best Times for Fishing or Hunting

Major Periods

2:40 AM - 5:10 AM
10:31 AM - 1:01 PM

Minor Periods

7:41 PM - 9:11 PM
10:27 AM - 11:57 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: 7:09 AM
Sun Transit: 1:03 PM
Sunset: 6:57 PM
Daylight: 11 hrs 49 mins
Moonrise: 8:11 PM
Moon Transit: 3:10 AM
Moonset: 10:57 AM
Moon Phase: Waning Gibbous
Moon Illumination: 85.4%

Best Times for Fishing or Hunting

Major Periods

2:40 AM - 5:10 AM
10:31 AM - 1:01 PM

Minor Periods

7:41 PM - 9:11 PM
10:27 AM - 11:57 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: 7:10 AM
Sun Transit: 1:03 PM
Sunset: 6:55 PM
Daylight: 11 hrs 46 mins
Moonrise: 8:52 PM
Moon Transit: 4:06 AM
Moonset: 12:16 AM
Moon Phase: Waning Gibbous
Moon Illumination: 76.5%

Best Times for Fishing or Hunting

Major Periods

3:36 AM - 6:06 AM
11:30 AM - 2:00 PM

Minor Periods

8:22 PM - 9:52 PM
11:46 AM - 1:16 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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