Water Temperature of the Long Tom River in Monroe, OR

Current Water Temperature

37.9°F

Measurement Time: Tuesday, January 27, 2026, 5:15 AM PST

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

42.1°F
Sunny
Sunny
40.3°F
42.3°F
73%
ENE 3.4 mph
3.9 mph
41.8°F
32.6°F
0 in
0%
9 mi
1020 mbar
1.4

Five Day Weather Forecast

Patchy rain nearby
Tue
H: 50°F
L: 29°F
Patchy rain nearby
Wed
H: 52°F
L: 41°F
Overcast
Thu
H: 51°F
L: 47°F
Moderate rain
Fri
H: 49°F
L: 43°F
Partly Cloudy
Sat
H: 57°F
L: 43°F

Air Quality

AQI: 1 - Good
PM2.5: 29.45 μg/m3
PM10: 30.55 μg/m3
Carbon Monoxide: 364.85 μg/m3
Nitrogen Dioxide: 42.15 μg/m3
Sulphur Dioxide: 3.15 μg/m3
Ozone: 18 μg/m3

Astronomical

Sunrise: 7:36 AM
Sun Transit: 12:26 AM
Sunset: 5:16 PM
Daylight: 9 hrs 40 mins
Moonrise: 11:40 AM
Moon Transit: 7:47 PM
Moonset: 2:47 AM
Moon Phase: First Quarter
Moon Illumination: 68.0%

Best Times for Fishing or Hunting

Major Periods

2:10 AM - 4:40 AM
7:17 PM - 9:47 PM

Minor Periods

11:10 AM - 12:40 AM
2:17 AM - 3:47 AM

Action Rating: 2 out of 5

Tuesday, January 27, 2026

Weather Forecast

Patchy rain nearby
49.6°F
29.1°F
38.2°F
71%
0.15 in
86%
0%
5.1 mph
0.3


Air Quality

AQI: 2 - Moderate
PM2.5: 24.49 μg/m3
PM10: 25.79 μg/m3
Carbon Monoxide: 295.97 μg/m3
Nitrogen Dioxide: 28.27 μg/m3
Sulphur Dioxide: 3.43 μg/m3
Ozone: 42.32 μg/m3

Astronomical

Sunrise: 7:36 AM
Sun Transit: 12:26 AM
Sunset: 5:16 PM
Daylight: 9 hrs 40 mins
Moonrise: 11:40 AM
Moon Transit: 7:47 PM
Moonset: 2:47 AM
Moon Phase: First Quarter
Moon Illumination: 68.0%

Best Times for Fishing or Hunting

Major Periods

2:10 AM - 4:40 AM
7:17 PM - 9:47 PM

Minor Periods

11:10 AM - 12:40 AM
2:17 AM - 3:47 AM

Action Rating: 2 out of 5

Wednesday, January 28, 2026

Weather Forecast

Patchy rain nearby
52°F
40.5°F
46.6°F
87%
0.11 in
87%
0%
5.8 mph
0.1


Air Quality

AQI: 1 - Good
PM2.5: 14.6 μg/m3
PM10: 16.27 μg/m3
Carbon Monoxide: 223.41 μg/m3
Nitrogen Dioxide: 15.36 μg/m3
Sulphur Dioxide: 2.19 μg/m3
Ozone: 59.24 μg/m3

Astronomical

Sunrise: 7:35 AM
Sun Transit: 12:26 AM
Sunset: 5:17 PM
Daylight: 9 hrs 42 mins
Moonrise: 12:27 AM
Moon Transit: 8:50 PM
Moonset: 4:06 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 78.1%

Best Times for Fishing or Hunting

Major Periods

3:10 AM - 5:40 AM
8:20 PM - 10:50 PM

Minor Periods

11:57 AM - 1:27 PM
3:36 AM - 5:06 AM

Action Rating: 2 out of 5

Thursday, January 29, 2026

Weather Forecast

Overcast
51.1°F
47.1°F
48.6°F
85%
0 in
0%
0%
6 mph
0.1


Air Quality

AQI: 1 - Good
PM2.5: 6.05 μg/m3
PM10: 8.15 μg/m3
Carbon Monoxide: 177.77 μg/m3
Nitrogen Dioxide: 6.1 μg/m3
Sulphur Dioxide: 1.49 μg/m3
Ozone: 57.32 μg/m3

Astronomical

Sunrise: 7:34 AM
Sun Transit: 12:26 AM
Sunset: 5:19 PM
Daylight: 9 hrs 45 mins
Moonrise: 1:27 PM
Moon Transit: 9:55 PM
Moonset: 5:18 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 86.7%

Best Times for Fishing or Hunting

Major Periods

4:14 AM - 6:44 AM
9:25 PM - 11:55 PM

Minor Periods

12:57 AM - 2:27 PM
4:48 AM - 6:18 AM

Action Rating: 2 out of 5

Friday, January 30, 2026

Weather Forecast

Moderate rain
48.5°F
43°F
46.1°F
84%
0.24 in
87%
0%
5.1 mph
0.1


Air Quality

AQI: 1 - Good
PM2.5: 11.07 μg/m3
PM10: 13.75 μg/m3
Carbon Monoxide: 223.89 μg/m3
Nitrogen Dioxide: 17.16 μg/m3
Sulphur Dioxide: 1.73 μg/m3
Ozone: 24.48 μg/m3

Astronomical

Sunrise: 7:33 AM
Sun Transit: 12:26 AM
Sunset: 5:20 PM
Daylight: 9 hrs 47 mins
Moonrise: 2:41 PM
Moon Transit: 10:58 PM
Moonset: 6:19 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 93.4%

Best Times for Fishing or Hunting

Major Periods

5:19 AM - 7:49 AM
12:00 AM - 12:00 AM

Minor Periods

2:11 PM - 3:41 PM
5:49 AM - 7:19 AM

Action Rating: 4 out of 5

Saturday, January 31, 2026

Weather Forecast

Partly Cloudy
57.3°F
42.8°F
47.8°F
85%
0 in
0%
0%
3.4 mph
0.3


Air Quality

AQI: 1 - Good
PM2.5: 15.36 μg/m3
PM10: 18.62 μg/m3
Carbon Monoxide: 351.5 μg/m3
Nitrogen Dioxide: 21.27 μg/m3
Sulphur Dioxide: 2 μg/m3
Ozone: 11.69 μg/m3

Astronomical

Sunrise: 7:32 AM
Sun Transit: 12:26 AM
Sunset: 5:21 PM
Daylight: 9 hrs 50 mins
Moonrise: 4:01 PM
Moon Transit: 11:58 PM
Moonset: 7:05 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 97.9%

Best Times for Fishing or Hunting

Major Periods

6:21 AM - 8:51 AM
12:00 AM - 12:00 AM

Minor Periods

3:31 PM - 5:01 PM
6:35 AM - 8:05 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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