Water Temperature of the Potomac River in Point of Rocks, MD

Current Water Temperature

47.1°F

Measurement Time: Monday, November 24, 2025, 11:45 PM EST

Temperature Locations

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Local Points of Interest

Paton Island; Heaters island; Chesapeake and Ohio Canal National Historic Park

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Potomac River

Station Name: POTOMAC RIVER AT POINT OF ROCKS, MD
Data Source: Water Data - usgc.gov

Elevation Above Sea Level: 217 feet / 66 meters

Nearest Address:
3707 Canal Rd
Point of Rocks, MD 21777
Frederick County

GPS Coordinates: 39.2735833, -77.5431111

Nearby Water Temperatures

Carroll Creek, Frederick, MD (12.1 mi)
Carroll Creek, Frederick, MD (12.5 mi)
Big Hunting Creek, Thurmont, MD (25.1 mi)
Difficult Run, McLean, VA (26.0 mi)
Spout Run, Boyce, VA (28.5 mi)
Difficult Run, Oakton, VA (29.1 mi)
Dead Run, McLean, VA (29.3 mi)
Patuxent River, Brighton, MD (29.4 mi)
Sligo Creek, Takoma Park, MD (35.0 mi)
Paint Branch, Calverton, MD (35.2 mi)
Washington Channel, Washington, DC (39.3 mi)
Northeast Branch Anacostia River, Riverdale Park, MD (39.5 mi)
Scotts Level Branch, Milford Mill, MD (42.2 mi)
Cacapon River , Great Cacapon, WV (46.1 mi)
Gunpowder Falls, Parkton, MD (51.4 mi)

Weather for Point of Rocks, Maryland

Current Weather

44.8°F
Clear
Conditions: Clear
Humidity: 70%
Feels Like: 41.3°F
Wind: SSE 6.3 mph
Wind Gusts: 11.9 mph
Pressure: 30.22 in
Precipitation: 0 in
Cloud Cover: 0%
Visibility: 9 mi
UV Index: 0

Five Day Weather Forecast

Heavy rain
Tue
H: 62°F
L: 39°F
Moderate rain
Wed
H: 69°F
L: 45°F
Overcast
Thu
H: 43°F
L: 30°F
Sunny
Fri
H: 40°F
L: 28°F
Sunny
Sat
H: 40°F
L: 26°F

Air Quality

AQI: 1 - Good
PM2.5: 8.95 μg/m3
PM10: 8.95 μg/m3
Carbon Monoxide: 254.85 μg/m3
Nitrogen Dioxide: 18.15 μg/m3
Sulphur Dioxide: 7.55 μg/m3
Ozone: 39 μg/m3

Astronomical

Sunrise: 7:05 AM
Sun Transit: 11:57 AM
Sunset: 4:49 PM
Daylight: 9 hrs 45 mins
Moonrise: 11:37 AM
Moon Transit: 4:25 PM
Moonset: 9:21 PM
Moon Phase: Waxing Crescent
Moon Illumination: 25.0%

Best Times for Fishing or Hunting

Major Periods

5:14 AM - 7:44 AM
3:55 PM - 6:25 PM

Minor Periods

8:51 PM - 10:21 PM
11:07 AM - 12:37 AM

Action Rating: 2 out of 5

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

Effective: Tue November 25, 2025, 1:24 AM
Expires: Tue November 25, 2025, 1:34 AM

Monitoring message only. Please disregard.

Monitoring message only. Please disregard.
Tuesday, November 25, 2025

Weather Forecast

Conditions: Heavy rain
Average Temperature: 48.6°F
Average Humidity: 72%
Chance of Rain: 84%
Wind: 11 mph
UV Index: 0.1

Air Quality

AQI: 1 - Good
PM2.5: 9.83 μg/m3
PM10: 10.16 μg/m3
Carbon Monoxide: 261.25 μg/m3
Nitrogen Dioxide: 24.5 μg/m3
Sulphur Dioxide: 7.09 μg/m3
Ozone: 35.16 μg/m3

Astronomical

Sunrise: 7:05 AM
Sun Transit: 11:57 AM
Sunset: 4:49 PM
Daylight: 9 hrs 45 mins
Moonrise: 11:37 AM
Moon Transit: 4:25 PM
Moonset: 9:21 PM
Moon Phase: Waxing Crescent
Moon Illumination: 25.0%

Best Times for Fishing or Hunting

Major Periods

5:14 AM - 7:44 AM
3:55 PM - 6:25 PM

Minor Periods

8:51 PM - 10:21 PM
11:07 AM - 12:37 AM

Action Rating: 2 out of 5

Wednesday, November 26, 2025

Weather Forecast

Conditions: Moderate rain
Average Temperature: 58.6°F
Average Humidity: 81%
Chance of Rain: 82%
Wind: 16.8 mph
UV Index: 0.5

Air Quality

AQI: 1 - Good
PM2.5: 6.99 μg/m3
PM10: 7.21 μg/m3
Carbon Monoxide: 203.33 μg/m3
Nitrogen Dioxide: 7.1 μg/m3
Sulphur Dioxide: 3.8 μg/m3
Ozone: 58.32 μg/m3

Astronomical

Sunrise: 7:06 AM
Sun Transit: 11:57 AM
Sunset: 4:49 PM
Daylight: 9 hrs 43 mins
Moonrise: 12:07 AM
Moon Transit: 5:13 PM
Moonset: 10:27 PM
Moon Phase: First Quarter
Moon Illumination: 35.3%

Best Times for Fishing or Hunting

Major Periods

6:02 AM - 8:32 AM
4:43 PM - 7:13 PM

Minor Periods

9:57 PM - 11:27 PM
11:37 AM - 1:07 PM

Action Rating: 3 out of 5

Thursday, November 27, 2025

Weather Forecast

Conditions: Overcast
Average Temperature: 37.5°F
Average Humidity: 53%
Chance of Rain: 0%
Wind: 15.4 mph
UV Index: 0.3

Air Quality

AQI: 1 - Good
PM2.5: 2.33 μg/m3
PM10: 2.35 μg/m3
Carbon Monoxide: 160.05 μg/m3
Nitrogen Dioxide: 4.25 μg/m3
Sulphur Dioxide: 5.8 μg/m3
Ozone: 64.84 μg/m3

Astronomical

Sunrise: 7:07 AM
Sun Transit: 11:57 AM
Sunset: 4:49 PM
Daylight: 9 hrs 42 mins
Moonrise: 12:34 AM
Moon Transit: 5:58 PM
Moonset: 11:33 PM
Moon Phase: First Quarter
Moon Illumination: 46.5%

Best Times for Fishing or Hunting

Major Periods

6:48 AM - 9:18 AM
5:28 PM - 7:58 PM

Minor Periods

12:00 AM - 12:00 AM
12:04 AM - 1:34 PM

Action Rating: 3 out of 5

Friday, November 28, 2025

Weather Forecast

Conditions: Sunny
Average Temperature: 32.8°F
Average Humidity: 49%
Chance of Rain: 0%
Wind: 18.8 mph
UV Index: 0.4

Air Quality

AQI: 1 - Good
PM2.5: 2.49 μg/m3
PM10: 2.5 μg/m3
Carbon Monoxide: 160.05 μg/m3
Nitrogen Dioxide: 4.82 μg/m3
Sulphur Dioxide: 5.06 μg/m3
Ozone: 63 μg/m3

Astronomical

Sunrise: 7:08 AM
Sun Transit: 11:58 AM
Sunset: 4:48 PM
Daylight: 9 hrs 40 mins
Moonrise: 12:58 AM
Moon Transit: 6:44 PM
Moonset: 12:33 AM
Moon Phase: First Quarter
Moon Illumination: 57.8%

Best Times for Fishing or Hunting

Major Periods

7:34 AM - 10:04 AM
6:14 PM - 8:44 PM

Minor Periods

12:28 AM - 1:58 PM
12:00 AM - 12:00 AM

Action Rating: 3 out of 5

Saturday, November 29, 2025

Weather Forecast

Conditions: Sunny
Average Temperature: 30.5°F
Average Humidity: 59%
Chance of Rain: 0%
Wind: 11.6 mph
UV Index: 0

Air Quality

AQI: 1 - Good
PM2.5: 5.21 μg/m3
PM10: 5.23 μg/m3
Carbon Monoxide: 192.93 μg/m3
Nitrogen Dioxide: 9.83 μg/m3
Sulphur Dioxide: 5.99 μg/m3
Ozone: 49.15 μg/m3

Astronomical

Sunrise: 7:09 AM
Sun Transit: 11:58 AM
Sunset: 4:48 PM
Daylight: 9 hrs 39 mins
Moonrise: 1:21 PM
Moon Transit: 9:12 PM
Moonset: 12:41 AM
Moon Phase: First Quarter
Moon Illumination: 68.7%

Best Times for Fishing or Hunting

Major Periods

8:19 AM - 10:49 AM
8:42 PM - 11:12 PM

Minor Periods

12:51 AM - 2:21 PM
12:11 AM - 1:41 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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