Water Temperature of the Long Tom River in Monroe, OR

Current Water Temperature

68.0°F

Measurement Time: Tuesday, September 8, 2026, 7:50 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

75°F
Sunny
Sunny
51%
N 10 mph
56°F

Weather Forecast

Sunny
This Afternoon
77°F - Sunny
Clear
Tonight
54°F - Clear
Sunny
Wednesday
84°F - Sunny
Mostly Clear
Wednesday Night
54°F - Mostly Clear
Sunny
Thursday
80°F - Sunny
Mostly Clear
Thursday Night
47°F - Mostly Clear
Sunny
Friday
70°F - Sunny
Partly Cloudy then Chance Light Rain
Friday Night
48°F - Partly Cloudy then Chance Light Rain
Showers And Thunderstorms Likely
Saturday
64°F - Showers And Thunderstorms Likely
Slight Chance Light Rain then Partly Cloudy
Saturday Night
47°F - Slight Chance Light Rain then Partly Cloudy
Mostly Sunny
Sunday
70°F - Mostly Sunny
Mostly Clear
Sunday Night
49°F - Mostly Clear
Sunny
Monday
73°F - Sunny
Mostly Clear
Monday Night
50°F - Mostly Clear

Astronomical

Sunrise: 6:45 AM
Sun Transit: 1:10 PM
Sunset: 7:36 PM
Daylight: 12 hrs 52 mins
Moonrise: 3:38 AM
Moon Transit: 11:13 AM
Moonset: 6:33 PM
Moon Phase: Waning Crescent
Moon Illumination: 4.4%

Best Times for Fishing or Hunting

Major Periods

6:33 PM - 9:03 PM
10:43 AM - 1:13 PM

Minor Periods

6:03 PM - 7:33 PM
3:08 AM - 4:38 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: 6:45 AM
Sun Transit: 1:10 PM
Sunset: 7:36 PM
Daylight: 12 hrs 52 mins
Moonrise: 3:38 AM
Moon Transit: 11:13 AM
Moonset: 6:33 PM
Moon Phase: Waning Crescent
Moon Illumination: 4.4%

Best Times for Fishing or Hunting

Major Periods

6:33 PM - 9:03 PM
10:43 AM - 1:13 PM

Minor Periods

6:03 PM - 7:33 PM
3:08 AM - 4:38 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: 6:45 AM
Sun Transit: 1:10 PM
Sunset: 7:36 PM
Daylight: 12 hrs 52 mins
Moonrise: 3:38 AM
Moon Transit: 11:13 AM
Moonset: 6:33 PM
Moon Phase: Waning Crescent
Moon Illumination: 4.4%

Best Times for Fishing or Hunting

Major Periods

6:33 PM - 9:03 PM
10:43 AM - 1:13 PM

Minor Periods

6:03 PM - 7:33 PM
3:08 AM - 4:38 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: 6:46 AM
Sun Transit: 1:10 PM
Sunset: 7:34 PM
Daylight: 12 hrs 49 mins
Moonrise: 4:58 AM
Moon Transit: 12:05 AM
Moonset: 6:57 PM
Moon Phase: Waning Crescent
Moon Illumination: 0.9%

Best Times for Fishing or Hunting

Major Periods

7:24 PM - 9:54 PM
11:35 AM - 2:05 PM

Minor Periods

6:27 PM - 7:57 PM
4:28 AM - 5:58 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: 6:46 AM
Sun Transit: 1:10 PM
Sunset: 7:34 PM
Daylight: 12 hrs 49 mins
Moonrise: 4:58 AM
Moon Transit: 12:05 AM
Moonset: 6:57 PM
Moon Phase: Waning Crescent
Moon Illumination: 0.9%

Best Times for Fishing or Hunting

Major Periods

7:24 PM - 9:54 PM
11:35 AM - 2:05 PM

Minor Periods

6:27 PM - 7:57 PM
4:28 AM - 5:58 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: 6:47 AM
Sun Transit: 1:10 PM
Sunset: 7:32 PM
Daylight: 12 hrs 46 mins
Moonrise: 6:15 AM
Moon Transit: 12:53 AM
Moonset: 7:17 PM
Moon Phase: New
Moon Illumination: 0.0%

Best Times for Fishing or Hunting

Major Periods

8:11 PM - 10:41 PM
12:23 AM - 2:53 PM

Minor Periods

6:47 PM - 8:17 PM
5:45 AM - 7:15 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: 6:47 AM
Sun Transit: 1:10 PM
Sunset: 7:32 PM
Daylight: 12 hrs 46 mins
Moonrise: 6:15 AM
Moon Transit: 12:53 AM
Moonset: 7:17 PM
Moon Phase: New
Moon Illumination: 0.0%

Best Times for Fishing or Hunting

Major Periods

8:11 PM - 10:41 PM
12:23 AM - 2:53 PM

Minor Periods

6:47 PM - 8:17 PM
5:45 AM - 7:15 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: 6:48 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

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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