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

43.3°F
Partly cloudy
Partly cloudy
36°F
43.8°F
52%
NW 15.4 mph
21.9 mph
36.5°F
26.8°F
0 in
50%
9 mi
1023 mbar
0

Five Day Weather Forecast

Patchy rain nearby
Mon
H: 60°F
L: 39°F
Sunny
Tue
H: 51°F
L: 31°F
Cloudy
Wed
H: 56°F
L: 38°F
Cloudy
Thu
H: 67°F
L: 45°F
Moderate rain
Fri
H: 61°F
L: 41°F

Air Quality

AQI: 1 - Good
PM2.5: 3.75 μg/m3
PM10: 3.85 μg/m3
Carbon Monoxide: 194.85 μg/m3
Nitrogen Dioxide: 6.85 μg/m3
Sulphur Dioxide: 2.75 μg/m3
Ozone: 89 μg/m3

Astronomical

Sunrise: 7:07 AM
Sun Transit: 12:00 AM
Sunset: 7:23 PM
Daylight: 12 hrs 16 mins
Moonrise: 9:31 AM
Moon Transit: 5:23 PM
Moonset: 12:08 AM
Moon Phase: Waxing Crescent
Moon Illumination: 23.8%

Best Times for Fishing or Hunting

Major Periods

6:10 AM - 8:40 AM
4:53 PM - 7:23 PM

Minor Periods

9:01 AM - 10:31 AM
12:00 AM - 12:00 AM

Action Rating: 3 out of 5

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

Effective: Mon March 23, 2026, 8:27 PM
Expires: Mon March 23, 2026, 8:37 PM

Monitoring message only. Please disregard.

Monitoring message only. Please disregard.
Monday, March 23, 2026

Weather Forecast

Patchy rain nearby
60.4°F
39.2°F
54.3°F
71%
0.04 in
85%
0%
17.4 mph
0.8


Air Quality

AQI: 1 - Good
PM2.5: 9.87 μg/m3
PM10: 9.99 μg/m3
Carbon Monoxide: 240.09 μg/m3
Nitrogen Dioxide: 16.03 μg/m3
Sulphur Dioxide: 5.15 μg/m3
Ozone: 70.72 μg/m3

Astronomical

Sunrise: 7:07 AM
Sun Transit: 12:00 AM
Sunset: 7:23 PM
Daylight: 12 hrs 16 mins
Moonrise: 9:31 AM
Moon Transit: 5:23 PM
Moonset: 12:08 AM
Moon Phase: Waxing Crescent
Moon Illumination: 23.8%

Best Times for Fishing or Hunting

Major Periods

6:10 AM - 8:40 AM
4:53 PM - 7:23 PM

Minor Periods

9:01 AM - 10:31 AM
12:00 AM - 12:00 AM

Action Rating: 3 out of 5

Tuesday, March 24, 2026

Weather Forecast

Sunny
50.9°F
31.1°F
40.5°F
59%
0 in
0%
0%
12.8 mph
1.2


Air Quality

AQI: 1 - Good
PM2.5: 6.22 μg/m3
PM10: 6.47 μg/m3
Carbon Monoxide: 225.17 μg/m3
Nitrogen Dioxide: 12.19 μg/m3
Sulphur Dioxide: 5.17 μg/m3
Ozone: 78.16 μg/m3

Astronomical

Sunrise: 7:05 AM
Sun Transit: 1:14 PM
Sunset: 7:24 PM
Daylight: 12 hrs 19 mins
Moonrise: 10:24 AM
Moon Transit: 6:25 PM
Moonset: 1:22 AM
Moon Phase: Waxing Crescent
Moon Illumination: 34.0%

Best Times for Fishing or Hunting

Major Periods

7:12 AM - 9:42 AM
5:55 PM - 8:25 PM

Minor Periods

9:54 AM - 11:24 AM
12:52 AM - 2:22 AM

Action Rating: 3 out of 5

Wednesday, March 25, 2026

Weather Forecast

Cloudy
56.3°F
37.8°F
46°F
61%
0 in
0%
0%
9.8 mph
1.1


Air Quality

AQI: 1 - Good
PM2.5: 12.34 μg/m3
PM10: 12.63 μg/m3
Carbon Monoxide: 239.77 μg/m3
Nitrogen Dioxide: 24.21 μg/m3
Sulphur Dioxide: 6.32 μg/m3
Ozone: 66.48 μg/m3

Astronomical

Sunrise: 7:03 AM
Sun Transit: 1:13 PM
Sunset: 7:25 PM
Daylight: 12 hrs 21 mins
Moonrise: 11:25 AM
Moon Transit: 7:28 PM
Moonset: 2:30 AM
Moon Phase: First Quarter
Moon Illumination: 45.1%

Best Times for Fishing or Hunting

Major Periods

8:15 AM - 10:45 AM
6:58 PM - 9:28 PM

Minor Periods

10:55 AM - 12:25 AM
2:00 AM - 3:30 AM

Action Rating: 3 out of 5

Thursday, March 26, 2026

Weather Forecast

Cloudy
67.1°F
45.1°F
55.9°F
64%
0 in
0%
0%
13.4 mph
1.4


Air Quality

AQI: 1 - Good
PM2.5: 10.97 μg/m3
PM10: 11.26 μg/m3
Carbon Monoxide: 242.45 μg/m3
Nitrogen Dioxide: 12.19 μg/m3
Sulphur Dioxide: 7.13 μg/m3
Ozone: 96.56 μg/m3

Astronomical

Sunrise: 7:02 AM
Sun Transit: 1:13 PM
Sunset: 7:26 PM
Daylight: 12 hrs 24 mins
Moonrise: 12:36 AM
Moon Transit: 8:28 PM
Moonset: 3:26 AM
Moon Phase: First Quarter
Moon Illumination: 56.4%

Best Times for Fishing or Hunting

Major Periods

9:17 AM - 11:47 AM
7:58 PM - 10:28 PM

Minor Periods

12:06 AM - 1:36 PM
2:56 AM - 4:26 AM

Action Rating: 2 out of 5

Friday, March 27, 2026

Weather Forecast

Moderate rain
60.6°F
40.8°F
53.6°F
84%
0.45 in
85%
0%
12.5 mph
0.2


Air Quality

AQI: 1 - Good
PM2.5: 8.97 μg/m3
PM10: 9.32 μg/m3
Carbon Monoxide: 202.72 μg/m3
Nitrogen Dioxide: 11.83 μg/m3
Sulphur Dioxide: 5.02 μg/m3
Ozone: 95 μg/m3

Astronomical

Sunrise: 7:00 AM
Sun Transit: 1:13 PM
Sunset: 7:27 PM
Daylight: 12 hrs 27 mins
Moonrise: 1:48 PM
Moon Transit: 9:24 PM
Moonset: 4:12 AM
Moon Phase: First Quarter
Moon Illumination: 67.4%

Best Times for Fishing or Hunting

Major Periods

10:14 AM - 12:44 AM
8:54 PM - 11:24 PM

Minor Periods

1:18 PM - 2:48 PM
3:42 AM - 5:12 AM

Action Rating: 2 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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