Water Temperature of the Long Tom River in Monroe, OR

Current Water Temperature

66.9°F

Measurement Time: Wednesday, September 2, 2026, 6:15 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

59°F
Rain
Rain
100%
S 13 mph
59°F

Weather Forecast

Showers And Thunderstorms
This Afternoon
62°F - Showers And Thunderstorms
Chance Light Rain
Tonight
49°F - Chance Light Rain
Showers And Thunderstorms
Thursday
63°F - Showers And Thunderstorms
Showers And Thunderstorms then Light Rain Likely
Thursday Night
49°F - Showers And Thunderstorms then Light Rain Likely
Showers And Thunderstorms Likely
Friday
67°F - Showers And Thunderstorms Likely
Chance Light Rain then Mostly Cloudy
Friday Night
48°F - Chance Light Rain then Mostly Cloudy
Slight Chance Light Rain
Saturday
73°F - Slight Chance Light Rain
Slight Chance Light Rain
Saturday Night
51°F - Slight Chance Light Rain
Slight Chance Light Rain
Sunday
76°F - Slight Chance Light Rain
Slight Chance Light Rain
Sunday Night
52°F - Slight Chance Light Rain
Slight Chance Light Rain then Mostly Sunny
Labor Day
75°F - Slight Chance Light Rain then Mostly Sunny
Partly Cloudy
Monday Night
50°F - Partly Cloudy
Mostly Sunny
Tuesday
76°F - Mostly Sunny
Mostly Clear
Tuesday Night
51°F - Mostly Clear

Astronomical

Sunrise: 6:38 AM
Sun Transit: 1:12 PM
Sunset: 7:47 PM
Daylight: 13 hrs 9 mins
Moonrise: 10:09 PM
Moon Transit: 5:15 AM
Moonset: 1:10 PM
Moon Phase: Waning Gibbous
Moon Illumination: 60.5%

Best Times for Fishing or Hunting

Major Periods

4:45 AM - 7:15 AM
12:36 AM - 3:06 PM

Minor Periods

9:39 PM - 11:09 PM
12:40 AM - 2:10 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: 6:38 AM
Sun Transit: 1:12 PM
Sunset: 7:47 PM
Daylight: 13 hrs 9 mins
Moonrise: 10:09 PM
Moon Transit: 5:15 AM
Moonset: 1:10 PM
Moon Phase: Waning Gibbous
Moon Illumination: 60.5%

Best Times for Fishing or Hunting

Major Periods

4:45 AM - 7:15 AM
12:36 AM - 3:06 PM

Minor Periods

9:39 PM - 11:09 PM
12:40 AM - 2:10 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: 6:38 AM
Sun Transit: 1:12 PM
Sunset: 7:47 PM
Daylight: 13 hrs 9 mins
Moonrise: 10:09 PM
Moon Transit: 5:15 AM
Moonset: 1:10 PM
Moon Phase: Waning Gibbous
Moon Illumination: 60.5%

Best Times for Fishing or Hunting

Major Periods

4:45 AM - 7:15 AM
12:36 AM - 3:06 PM

Minor Periods

9:39 PM - 11:09 PM
12:40 AM - 2:10 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: 6:39 AM
Sun Transit: 1:12 PM
Sunset: 7:45 PM
Daylight: 13 hrs 6 mins
Moonrise: 10:53 PM
Moon Transit: 6:12 AM
Moonset: 2:27 PM
Moon Phase: Last Quarter
Moon Illumination: 49.2%

Best Times for Fishing or Hunting

Major Periods

5:42 AM - 8:12 AM
1:34 PM - 4:04 PM

Minor Periods

10:23 PM - 11:53 PM
1:57 PM - 3:27 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: 6:39 AM
Sun Transit: 1:12 PM
Sunset: 7:45 PM
Daylight: 13 hrs 6 mins
Moonrise: 10:53 PM
Moon Transit: 6:12 AM
Moonset: 2:27 PM
Moon Phase: Last Quarter
Moon Illumination: 49.2%

Best Times for Fishing or Hunting

Major Periods

5:42 AM - 8:12 AM
1:34 PM - 4:04 PM

Minor Periods

10:23 PM - 11:53 PM
1:57 PM - 3:27 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: 6:40 AM
Sun Transit: 1:12 PM
Sunset: 7:43 PM
Daylight: 13 hrs 3 mins
Moonrise: 11:50 PM
Moon Transit: 7:13 AM
Moonset: 3:38 PM
Moon Phase: Last Quarter
Moon Illumination: 38.0%

Best Times for Fishing or Hunting

Major Periods

6:43 AM - 9:13 AM
2:36 PM - 5:06 PM

Minor Periods

12:00 AM - 12:00 AM
3:08 PM - 4:38 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: 6:40 AM
Sun Transit: 1:12 PM
Sunset: 7:43 PM
Daylight: 13 hrs 3 mins
Moonrise: 11:50 PM
Moon Transit: 7:13 AM
Moonset: 3:38 PM
Moon Phase: Last Quarter
Moon Illumination: 38.0%

Best Times for Fishing or Hunting

Major Periods

6:43 AM - 9:13 AM
2:36 PM - 5:06 PM

Minor Periods

12:00 AM - 12:00 AM
3:08 PM - 4:38 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: 6:41 AM
Sun Transit: 1:11 PM
Sunset: 7:42 PM
Daylight: 13 hrs mins
Moonrise: 12:50 AM
Moon Transit: 8:16 AM
Moonset: 4:39 PM
Moon Phase: Last Quarter
Moon Illumination: 27.4%

Best Times for Fishing or Hunting

Major Periods

7:46 AM - 10:16 AM
3:39 PM - 6:09 PM

Minor Periods

4:09 PM - 5:39 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: 6:41 AM
Sun Transit: 1:11 PM
Sunset: 7:42 PM
Daylight: 13 hrs mins
Moonrise: 12:50 AM
Moon Transit: 8:16 AM
Moonset: 4:39 PM
Moon Phase: Last Quarter
Moon Illumination: 27.4%

Best Times for Fishing or Hunting

Major Periods

7:46 AM - 10:16 AM
3:39 PM - 6:09 PM

Minor Periods

4:09 PM - 5:39 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: 6:42 AM
Sun Transit: 1:11 PM
Sunset: 7:40 PM
Daylight: 12 hrs 57 mins
Moonrise: 12:59 AM
Moon Transit: 9:18 AM
Moonset: 5:27 PM
Moon Phase: Last Quarter
Moon Illumination: 18.0%

Best Times for Fishing or Hunting

Major Periods

8:48 AM - 11:18 AM
4:41 PM - 7:11 PM

Minor Periods

4:57 PM - 6:27 PM
12:29 AM - 1:59 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: 6:42 AM
Sun Transit: 1:11 PM
Sunset: 7:40 PM
Daylight: 12 hrs 57 mins
Moonrise: 12:59 AM
Moon Transit: 9:18 AM
Moonset: 5:27 PM
Moon Phase: Last Quarter
Moon Illumination: 18.0%

Best Times for Fishing or Hunting

Major Periods

8:48 AM - 11:18 AM
4:41 PM - 7:11 PM

Minor Periods

4:57 PM - 6:27 PM
12:29 AM - 1:59 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: 6:43 AM
Sun Transit: 1:11 PM
Sunset: 7:38 PM
Daylight: 12 hrs 55 mins
Moonrise: 2:17 AM
Moon Transit: 10:18 AM
Moonset: 6:04 PM
Moon Phase: Waning Crescent
Moon Illumination: 10.1%

Best Times for Fishing or Hunting

Major Periods

5:39 PM - 8:09 PM
9:48 AM - 12:18 AM

Minor Periods

5:34 PM - 7:04 PM
1:47 AM - 3:17 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: 6:43 AM
Sun Transit: 1:11 PM
Sunset: 7:38 PM
Daylight: 12 hrs 55 mins
Moonrise: 2:17 AM
Moon Transit: 10:18 AM
Moonset: 6:04 PM
Moon Phase: Waning Crescent
Moon Illumination: 10.1%

Best Times for Fishing or Hunting

Major Periods

5:39 PM - 8:09 PM
9:48 AM - 12:18 AM

Minor Periods

5:34 PM - 7:04 PM
1:47 AM - 3:17 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: 6:45 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

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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