Water Temperature of the Patuxent River in Brighton, MD

Current Water Temperature

70.3°F

Measurement Time: Tuesday, October 10, 2017, 4:45 AM EDT

Temperature Locations

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Local Points of Interest

Triadelphia Reservoir; Brighton Dam; Brighton Dam Recreation Park; Clarksville, MD

Patuxent River

Station Name: PATUXENT RIVER BELOW BRIGHTON DAM NEAR BRIGHTON,MD
Data Source: Water Data - usgc.gov

Elevation Above Sea Level: 358 feet

Nearest Address:
14199 Brighton Dam Rd
Brighton, MD 21029
Montgomery County

GPS Coordinates: 39.19219444, -77.00438889

Nearby Water Temperatures

Paint Branch, Calverton, MD (11.2 mi)
Sligo Creek, Takoma Park, MD (14.2 mi)
Northeast Branch Anacostia River, Riverdale Park, MD (16.6 mi)
Scotts Level Branch, Milford Mill, MD (17.5 mi)
Dead Run, McLean, VA (18.5 mi)
Difficult Run, McLean, VA (19.8 mi)
Washington Channel, Washington, DC (22.1 mi)
Northwest Harbor, Baltimore, MD (23.3 mi)
Herring Run, Baltimore, MD (25.6 mi)
Difficult Run, Oakton, VA (27.6 mi)
Carroll Creek, Frederick, MD (27.8 mi)
Carroll Creek, Frederick, MD (28.8 mi)
Potomac River, Point of Rocks, MD (29.4 mi)
Severn River, Annapolis, MD (31.7 mi)
Chesapeake Bay, Annapolis, MD (33.8 mi)

Weather for Brighton, Maryland

Current Weather

42.1°F
Overcast
Overcast
35.3°F
44.2°F
49%
WNW 12.3 mph
18.7 mph
36.8°F
30.7°F
0 in
100%
9 mi
1012 mbar
0.3

Five Day Weather Forecast

Partly Cloudy
Wed
H: 47°F
L: 34°F
Partly Cloudy
Thu
H: 35°F
L: 27°F
Sunny
Fri
H: 36°F
L: 23°F
Sunny
Sat
H: 50°F
L: 29°F
Moderate rain
Sun
H: 41°F
L: 35°F

Air Quality

AQI: 1 - Good
PM2.5: 3.65 μg/m3
PM10: 3.65 μg/m3
Carbon Monoxide: 241.85 μg/m3
Nitrogen Dioxide: 14.45 μg/m3
Sulphur Dioxide: 5.45 μg/m3
Ozone: 53 μg/m3

Astronomical

Sunrise: 7:04 AM
Sun Transit: 12:22 AM
Sunset: 5:40 PM
Daylight: 10 hrs 36 mins
Moonrise: 3:03 AM
Moon Transit: 7:31 AM
Moonset: 11:57 AM
Moon Phase: Last Quarter
Moon Illumination: 20.5%

Best Times for Fishing or Hunting

Major Periods

7:01 AM - 9:31 AM
9:14 PM - 11:44 PM

Minor Periods

11:27 AM - 12:57 AM
2:33 AM - 4:03 AM

Action Rating: 3 out of 5

This is only a test for monitoring of vital dissemination systems.

Effective: Wed February 11, 2026, 1:27 PM
Expires: Wed February 11, 2026, 1:37 PM

Monitoring message only. Please disregard.

Monitoring message only. Please disregard.
Wednesday, February 11, 2026

Weather Forecast

Partly Cloudy
46.9°F
34°F
40.8°F
70%
0 in
0%
0%
14.1 mph
0.5


Air Quality

AQI: 2 - Moderate
PM2.5: 18.42 μg/m3
PM10: 18.62 μg/m3
Carbon Monoxide: 279.81 μg/m3
Nitrogen Dioxide: 19.01 μg/m3
Sulphur Dioxide: 5.07 μg/m3
Ozone: 63.52 μg/m3

Astronomical

Sunrise: 7:04 AM
Sun Transit: 12:22 AM
Sunset: 5:40 PM
Daylight: 10 hrs 36 mins
Moonrise: 3:03 AM
Moon Transit: 7:31 AM
Moonset: 11:57 AM
Moon Phase: Last Quarter
Moon Illumination: 20.5%

Best Times for Fishing or Hunting

Major Periods

7:01 AM - 9:31 AM
9:14 PM - 11:44 PM

Minor Periods

11:27 AM - 12:57 AM
2:33 AM - 4:03 AM

Action Rating: 3 out of 5

Thursday, February 12, 2026

Weather Forecast

Partly Cloudy
35.1°F
27.4°F
31.1°F
64%
0 in
0%
0%
15 mph
0.5


Air Quality

AQI: 1 - Good
PM2.5: 2.96 μg/m3
PM10: 2.96 μg/m3
Carbon Monoxide: 211.69 μg/m3
Nitrogen Dioxide: 9.11 μg/m3
Sulphur Dioxide: 4.65 μg/m3
Ozone: 65.88 μg/m3

Astronomical

Sunrise: 7:03 AM
Sun Transit: 12:22 AM
Sunset: 5:42 PM
Daylight: 10 hrs 38 mins
Moonrise: 3:59 AM
Moon Transit: 8:23 AM
Moonset: 12:47 AM
Moon Phase: Waning Crescent
Moon Illumination: 12.2%

Best Times for Fishing or Hunting

Major Periods

7:53 AM - 10:23 AM
12:00 AM - 12:00 AM

Minor Periods

12:17 AM - 1:47 PM
3:29 AM - 4:59 AM

Action Rating: 2 out of 5

Friday, February 13, 2026

Weather Forecast

Sunny
35.8°F
22.8°F
29.2°F
65%
0 in
0%
0%
11 mph
0.5


Air Quality

AQI: 1 - Good
PM2.5: 5.69 μg/m3
PM10: 5.7 μg/m3
Carbon Monoxide: 221.85 μg/m3
Nitrogen Dioxide: 14.65 μg/m3
Sulphur Dioxide: 6.06 μg/m3
Ozone: 68.44 μg/m3

Astronomical

Sunrise: 7:02 AM
Sun Transit: 12:22 AM
Sunset: 5:43 PM
Daylight: 10 hrs 41 mins
Moonrise: 4:50 AM
Moon Transit: 9:15 AM
Moonset: 1:44 PM
Moon Phase: Waning Crescent
Moon Illumination: 5.8%

Best Times for Fishing or Hunting

Major Periods

8:45 AM - 11:15 AM
12:00 AM - 12:00 AM

Minor Periods

1:14 PM - 2:44 PM
4:20 AM - 5:50 AM

Action Rating: 2 out of 5

Saturday, February 14, 2026

Weather Forecast

Sunny
49.5°F
29.3°F
37.3°F
68%
0 in
0%
0%
6.5 mph
0.6


Air Quality

AQI: 1 - Good
PM2.5: 15.36 μg/m3
PM10: 15.78 μg/m3
Carbon Monoxide: 279.57 μg/m3
Nitrogen Dioxide: 32.3 μg/m3
Sulphur Dioxide: 8.49 μg/m3
Ozone: 45.88 μg/m3

Astronomical

Sunrise: 7:01 AM
Sun Transit: 12:22 AM
Sunset: 5:44 PM
Daylight: 10 hrs 43 mins
Moonrise: 5:32 AM
Moon Transit: 10:07 AM
Moonset: 2:48 PM
Moon Phase: Waning Crescent
Moon Illumination: 1.7%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
9:37 AM - 12:07 AM

Minor Periods

2:18 PM - 3:48 PM
5:02 AM - 6:32 AM

Action Rating: 3 out of 5

Sunday, February 15, 2026

Weather Forecast

Moderate rain
41.3°F
35°F
37.5°F
85%
0.31 in
72%
0%
4.7 mph
0.2


Air Quality

AQI: 1 - Good
PM2.5: 8.57 μg/m3
PM10: 8.67 μg/m3
Carbon Monoxide: 264.35 μg/m3
Nitrogen Dioxide: 20.98 μg/m3
Sulphur Dioxide: 5.48 μg/m3
Ozone: 56.69 μg/m3

Astronomical

Sunrise: 7:00 AM
Sun Transit: 12:22 AM
Sunset: 5:45 PM
Daylight: 10 hrs 45 mins
Moonrise: 6:09 AM
Moon Transit: 10:58 AM
Moonset: 3:54 PM
Moon Phase: Waning Crescent
Moon Illumination: 0.0%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
10:28 AM - 12:58 AM

Minor Periods

3:24 PM - 4:54 PM
5:39 AM - 7:09 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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