Water Temperature of the Potomac River in Point of Rocks, MD
Current Water Temperature
Measurement Time: Monday, November 17, 2025, 9:45 PM EST
Temperature Locations
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Local Points of Interest
Paton Island; Heaters island; Chesapeake and Ohio Canal National Historic ParkSponsored Content
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

Humidity: 74%
Feels Like: 26.4°F
Wind: W 3.8 mph
Wind Gusts: 8 mph
Precipitation: 0 in
Cloud Cover: 0%
Visibility: 9 mi
UV Index: 0
Five Day Weather Forecast

Tue
H: 49°F
L: 30°F

Wed
H: 45°F
L: 39°F

Thu
H: 45°F
L: 42°F

Fri
H: 57°F
L: 46°F

Sat
H: 51°F
L: 37°F
Air Quality
Nitrogen Dioxide: 26.55 μg/m3
Sulphur Dioxide: 5.55 μg/m3
Ozone: 17 μg/m3
Astronomical
Sun Transit: 11:55 AM
Sunset: 4:53 PM
Daylight: 9 hrs 56 mins
Moon Transit: 10:38 AM
Moonset: 3:41 PM
Moon Phase: Waning Crescent
Moon Illumination: 0.4%
Best Times for Fishing or Hunting
Major Periods
12:00 AM - 12:00 AM10:08 AM - 12:38 AM
Minor Periods
3:11 PM - 4:41 PM4:59 AM - 6:29 AM
Action Rating: 4 out of 5
This is only a test for monitoring of vital dissemination systems.
Effective: Tue November 18, 2025, 1:26 AM
Expires: Tue November 18, 2025, 1:36 AM
Monitoring message only. Please disregard.
Monitoring message only. Please disregard.
Weather Forecast
Average Temperature: 37.8°F
Average Humidity: 68%
Wind: 4.7 mph
UV Index: 0.2
Air Quality
Nitrogen Dioxide: 20.24 μg/m3
Sulphur Dioxide: 7.39 μg/m3
Ozone: 40.08 μg/m3
Astronomical
Sun Transit: 11:55 AM
Sunset: 4:53 PM
Daylight: 9 hrs 56 mins
Moon Transit: 10:38 AM
Moonset: 3:41 PM
Moon Phase: Waning Crescent
Moon Illumination: 0.4%
Best Times for Fishing or Hunting
Major Periods
12:00 AM - 12:00 AM10:08 AM - 12:38 AM
Minor Periods
3:11 PM - 4:41 PM4:59 AM - 6:29 AM
Action Rating: 4 out of 5
Weather Forecast
Average Temperature: 42.1°F
Average Humidity: 93%
Wind: 5.4 mph
UV Index: 0.3
Air Quality
Nitrogen Dioxide: 22.42 μg/m3
Sulphur Dioxide: 7.59 μg/m3
Ozone: 37.84 μg/m3
Astronomical
Sun Transit: 11:55 AM
Sunset: 4:53 PM
Daylight: 9 hrs 54 mins
Moon Transit: 11:23 AM
Moonset: 4:10 PM
Moon Phase: New
Moon Illumination: 0.3%
Best Times for Fishing or Hunting
Major Periods
12:13 AM - 2:43 AM10:53 AM - 1:23 PM
Minor Periods
3:40 PM - 5:10 PM6:02 AM - 7:32 AM
Action Rating: 4 out of 5
Weather Forecast
Average Temperature: 43.8°F
Average Humidity: 95%
Wind: 4.7 mph
UV Index: 0.2
Air Quality
Nitrogen Dioxide: 31.95 μg/m3
Sulphur Dioxide: 9.77 μg/m3
Ozone: 22.48 μg/m3
Astronomical
Sun Transit: 11:55 AM
Sunset: 4:52 PM
Daylight: 9 hrs 52 mins
Moon Transit: 12:11 AM
Moonset: 4:45 PM
Moon Phase: New
Moon Illumination: 2.7%
Best Times for Fishing or Hunting
Major Periods
1:00 AM - 3:30 AM11:41 AM - 2:11 PM
Minor Periods
4:15 PM - 5:45 PM7:03 AM - 8:33 AM
Action Rating: 4 out of 5
Weather Forecast
Average Temperature: 51.9°F
Average Humidity: 97%
Wind: 8.9 mph
UV Index: 0.1
Air Quality
Nitrogen Dioxide: 32.63 μg/m3
Sulphur Dioxide: 7.12 μg/m3
Ozone: 18.69 μg/m3
Astronomical
Sun Transit: 11:56 AM
Sunset: 4:51 PM
Daylight: 9 hrs 51 mins
Moon Transit: 1:01 PM
Moonset: 5:27 PM
Moon Phase: New
Moon Illumination: 0.5%
Best Times for Fishing or Hunting
Major Periods
1:49 AM - 4:19 AM12:31 AM - 3:01 PM
Minor Periods
4:57 PM - 6:27 PM8:04 AM - 9:34 AM
Action Rating: 4 out of 5
Weather Forecast
Average Temperature: 46.8°F
Average Humidity: 77%
Wind: 15.2 mph
UV Index: 0
Air Quality
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3
Astronomical
Sun Transit: 11:56 AM
Sunset: 4:51 PM
Daylight: 9 hrs 49 mins
Moon Transit: 1:53 PM
Moonset: 6:17 PM
Moon Phase: New
Moon Illumination: 3.3%
Best Times for Fishing or Hunting
Major Periods
2:40 AM - 5:10 AM1:23 PM - 3:53 PM
Minor Periods
5:47 PM - 7:17 PM8:59 AM - 10:29 AM
Action Rating: 3 out of 5
