Water Temperature of the Long Tom River in Monroe, OR

Current Water Temperature

73.2°F

Measurement Time: Wednesday, August 5, 2026, 10:10 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

61.9°F
Clear
Clear
61.7°F
61.9°F
73%
SW 2.2 mph
4.7 mph
61.9°F
53.2°F
0 in
0%
6 mi
1014 mbar
0

Five Day Weather Forecast

Sunny
Thu
H: 97°F
L: 58°F
Sunny
Fri
H: 95°F
L: 50°F
Sunny
Sat
H: 91°F
L: 53°F
Sunny
Sun
H: 88°F
L: 49°F
Sunny
Mon
H: 88°F
L: 50°F

Air Quality

AQI: 1 - Good
PM2.5: 26.1 μg/m3
PM10: 29.5 μg/m3
Carbon Monoxide: 252 μg/m3
Nitrogen Dioxide: 5.5 μg/m3
Sulphur Dioxide: 1.8 μg/m3
Ozone: 59 μg/m3

Astronomical

Sunrise: 6:06 AM
Sun Transit: 1:19 PM
Sunset: 8:31 PM
Daylight: 14 hrs 25 mins
Moonrise: 12:32 AM
Moon Transit: 7:19 AM
Moonset: 3:21 PM
Moon Phase: Last Quarter
Moon Illumination: 32.3%

Best Times for Fishing or Hunting

Major Periods

6:49 AM - 9:19 AM
2:41 PM - 5:11 PM

Minor Periods

2:51 PM - 4:21 PM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Air Quality Alert issued August 5 at 11:17AM PDT by NWS Portland OR

Effective: Wed August 5, 2026, 11:17 AM
Expires: Thu August 6, 2026, 11:00 AM

The Oregon Department of Environmental Quality and the Lane Regional Air Protection Agency have issued an Air Quality Advisory, which is in effect until further notice. An Air Quality Advisory for Smoke has been issued. Wildfires burning in the region combined with forecasted conditions will cause air quality to reach unhealthy levels due to smoke at times until further notice. Pollutants in smoke can cause burning eyes, runny nose, aggravate heart and lung diseases, and aggravate other serious health problems. Limit outdoor activities and keep children indoors if it is smoky. Please follow medical advice if you have a heart or lung condition. More information about air quality can be found at: www.orcaa.org www.swcleanair.gov www.oregon.gov/DEQ www.lrapa.org


Air Quality Alert issued August 5 at 1:16PM PDT by NWS Portland OR

Effective: Wed August 5, 2026, 1:16 PM
Expires: Thu August 6, 2026, 11:00 AM

The Oregon Department of Environmental Quality and the Lane Regional Air Protection Agency have continued an Air Quality Advisory, which is IN EFFECT UNTIL FURTHER NOTICE. An Air Quality Advisory for Smoke remains in effect. Wildfires burning in the region combined with forecasted conditions will cause air quality to reach unhealthy levels at times until further notice. Pollutants in smoke can cause burning eyes, runny nose, aggravate heart and lung diseases, and aggravate other serious health problems. Limit outdoor activities and keep children indoors if it is smoky. Please follow medical advice if you have a heart or lung condition. More information about air quality can be found at: www.oregon.gov/DEQ www.lrapa.org
Thursday, August 6, 2026

Weather Forecast

Sunny
96.6°F
58.2°F
74.2°F
52%
0 in
2%
0%
7.4 mph
7.1


Air Quality

AQI: 2 - Moderate
PM2.5: 27.54 μg/m3
PM10: 30 μg/m3
Carbon Monoxide: 231.63 μg/m3
Nitrogen Dioxide: 3.91 μg/m3
Sulphur Dioxide: 1.9 μg/m3
Ozone: 93 μg/m3

Astronomical

Sunrise: 6:06 AM
Sun Transit: 1:19 PM
Sunset: 8:31 PM
Daylight: 14 hrs 25 mins
Moonrise: 12:32 AM
Moon Transit: 7:19 AM
Moonset: 3:21 PM
Moon Phase: Last Quarter
Moon Illumination: 32.3%

Best Times for Fishing or Hunting

Major Periods

6:49 AM - 9:19 AM
2:41 PM - 5:11 PM

Minor Periods

2:51 PM - 4:21 PM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Friday, August 7, 2026

Weather Forecast

Sunny
94.8°F
50.4°F
71°F
42%
0 in
1%
0%
8.1 mph
8.3


Air Quality

AQI: 1 - Good
PM2.5: 8.86 μg/m3
PM10: 11.9 μg/m3
Carbon Monoxide: 101.13 μg/m3
Nitrogen Dioxide: 2.4 μg/m3
Sulphur Dioxide: 0.7 μg/m3
Ozone: 68.75 μg/m3

Astronomical

Sunrise: 6:08 AM
Sun Transit: 1:18 PM
Sunset: 8:30 PM
Daylight: 14 hrs 22 mins
Moonrise: 12:09 AM
Moon Transit: 8:18 AM
Moonset: 4:39 PM
Moon Phase: Last Quarter
Moon Illumination: 22.2%

Best Times for Fishing or Hunting

Major Periods

7:48 AM - 10:18 AM
3:41 PM - 6:11 PM

Minor Periods

4:09 PM - 5:39 PM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Saturday, August 8, 2026

Weather Forecast

Sunny
90.9°F
53.3°F
70.4°F
44%
0 in
1%
0%
10.1 mph
8.2


Air Quality

AQI: 1 - Good
PM2.5: 6.84 μg/m3
PM10: 9.21 μg/m3
Carbon Monoxide: 95.96 μg/m3
Nitrogen Dioxide: 3.36 μg/m3
Sulphur Dioxide: 0.66 μg/m3
Ozone: 54.46 μg/m3

Astronomical

Sunrise: 6:09 AM
Sun Transit: 1:18 PM
Sunset: 8:29 PM
Daylight: 14 hrs 20 mins
Moonrise: 12:58 AM
Moon Transit: 9:21 AM
Moonset: 5:48 PM
Moon Phase: Waning Crescent
Moon Illumination: 13.6%

Best Times for Fishing or Hunting

Major Periods

8:51 AM - 11:21 AM
4:45 PM - 7:15 PM

Minor Periods

5:18 PM - 6:48 PM
12:28 AM - 1:58 AM

Action Rating: 2 out of 5

Sunday, August 9, 2026

Weather Forecast

Sunny
88.2°F
49.3°F
67.5°F
51%
0 in
2%
0%
9.4 mph
7.8


Air Quality

AQI: 1 - Good
PM2.5: 6.83 μg/m3
PM10: 9.4 μg/m3
Carbon Monoxide: 95.15 μg/m3
Nitrogen Dioxide: 2.24 μg/m3
Sulphur Dioxide: 0.72 μg/m3
Ozone: 55.13 μg/m3

Astronomical

Sunrise: 6:10 AM
Sun Transit: 1:18 PM
Sunset: 8:27 PM
Daylight: 14 hrs 17 mins
Moonrise: 2:01 AM
Moon Transit: 10:26 AM
Moonset: 6:47 PM
Moon Phase: Waning Crescent
Moon Illumination: 6.8%

Best Times for Fishing or Hunting

Major Periods

5:50 PM - 8:20 PM
9:56 AM - 12:26 AM

Minor Periods

6:17 PM - 7:47 PM
1:31 AM - 3:01 AM

Action Rating: 3 out of 5

Monday, August 10, 2026

Weather Forecast

Sunny
88.4°F
50.4°F
67.6°F
52%
0 in
2%
0%
7.6 mph
8


Air Quality

AQI: 1 - Good
PM2.5: 7.8 μg/m3
PM10: 10.68 μg/m3
Carbon Monoxide: 119 μg/m3
Nitrogen Dioxide: 5.57 μg/m3
Sulphur Dioxide: 0.72 μg/m3
Ozone: 32.17 μg/m3

Astronomical

Sunrise: 6:11 AM
Sun Transit: 1:18 PM
Sunset: 8:26 PM
Daylight: 14 hrs 15 mins
Moonrise: 3:17 AM
Moon Transit: 11:30 AM
Moonset: 7:31 PM
Moon Phase: Waning Crescent
Moon Illumination: 2.2%

Best Times for Fishing or Hunting

Major Periods

6:53 PM - 9:23 PM
11:00 AM - 1:30 PM

Minor Periods

7:01 PM - 8:31 PM
2:47 AM - 4:17 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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