Water Temperature of the Long Tom River in Monroe, OR

Current Water Temperature

64.9°F

Measurement Time: Saturday, September 5, 2026, 7:10 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

68°F
Mostly Sunny
Mostly Sunny
66%
NNE 1 mph
56°F

Weather Forecast

Mostly Sunny
This Afternoon
71°F - Mostly Sunny
Mostly Cloudy then Slight Chance Rain Showers
Tonight
49°F - Mostly Cloudy then Slight Chance Rain Showers
Chance Rain Showers
Sunday
69°F - Chance Rain Showers
Partly Cloudy
Sunday Night
48°F - Partly Cloudy
Patchy Fog then Mostly Sunny
Labor Day
70°F - Patchy Fog then Mostly Sunny
Mostly Clear
Monday Night
48°F - Mostly Clear
Mostly Sunny
Tuesday
76°F - Mostly Sunny
Mostly Clear
Tuesday Night
52°F - Mostly Clear
Sunny
Wednesday
84°F - Sunny
Mostly Clear
Wednesday Night
55°F - Mostly Clear
Sunny
Thursday
81°F - Sunny
Partly Cloudy then Slight Chance Light Rain
Thursday Night
53°F - Partly Cloudy then Slight Chance Light Rain
Slight Chance Light Rain
Friday
71°F - Slight Chance Light Rain
Slight Chance Light Rain
Friday Night
51°F - Slight Chance Light Rain

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: 6:41 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

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

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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