Water Temperature of the Potomac River in Point of Rocks, MD
Current Water Temperature
Measurement Time: Thursday, April 16, 2026, 10:55 AM EDT
Temperature Locations
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Local Points of Interest
Paton Island; Heaters island; Chesapeake and Ohio Canal National Historic ParkStation Name: POTOMAC RIVER AT POINT OF ROCKS, MD
Data Source: Water Data - usgc.gov
Elevation Above Sea Level: 217 feet
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 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 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

Five Day Weather Forecast

Thu
H: 95°F
L: 66°F

Fri
H: 80°F
L: 60°F

Sat
H: 83°F
L: 53°F

Sun
H: 57°F
L: 41°F

Mon
H: 50°F
L: 33°F
Air Quality
Nitrogen Dioxide: 7.45 μg/m3
Sulphur Dioxide: 2.05 μg/m3
Ozone: 105 μg/m3
Astronomical
Sun Transit: 1:09 PM
Sunset: 7:49 PM
Daylight: 13 hrs 17 mins
Moon Transit: 12:23 AM
Moonset: 7:13 PM
Moon Phase: New
Moon Illumination: 0.8%
Best Times for Fishing or Hunting
Major Periods
12:00 AM - 12:00 AM11:53 AM - 2:23 PM
Minor Periods
6:43 PM - 8:13 PM5:17 AM - 6:47 AM
Action Rating: 5 out of 5
Special Weather Statement issued April 16 at 3:33AM EDT by NWS Baltimore MD/Washington DC
Effective: Thu April 16, 2026, 3:33 AM
Expires: Thu April 16, 2026, 8:00 PM
The combination of 10 hour fuel moistures around 9 percent, relative humidities around 25 percent, and wind gusts of 20 to 25 mph will lead to an increased risk for the rapid spread of wildfires this afternoon. Residents and visitors are urged to properly dispose of cigarette butts, matches, and any other flammable items in appropriate containers. Additionally, exercise caution if operating any equipment that could create sparks and keep vehicles off of dry grass. Most dry grasses, dead leaves, and other tree litter could easily ignite and spread fire quickly. Lastly, remember to obey local burn bans. For more information about wildfire danger, burn restrictions, and wildfire prevention and education, please visit your state forestry or environmental protection website. For West Virginia, visit www.wvforestry.com For Maryland, visit dnr.maryland.gov For Virginia, visit dof.virginia.gov
Red Flag Warning issued April 16 at 9:43AM EDT until April 16 at 7:00PM EDT by NWS Baltimore MD/Washington DC
Effective: Thu April 16, 2026, 9:43 AM
Expires: Thu April 16, 2026, 7:00 PM
The National Weather Service in Baltimore MD/Washington has issued a Red Flag Warning for the combination of hot, dry, and windy conditions, which is in effect until 7 PM EDT this evening. * TIMING...Until 7 PM EDT this evening. * WINDS...Southwest 10 to 15 mph with frequent gusts up to 25 mph. * RELATIVE HUMIDITY...As low as 20 percent. * IMPACTS...Any fire that develops will catch and spread quickly. Outdoor burning is not recommended. * FUEL MOISTURE...7 to 8 percent.
A Red Flag Warning means that critical fire weather conditions are either occurring now, or will shortly. A combination of strong winds, low relative humidity, and warm temperatures can contribute to extreme fire behavior.
This is only a test for monitoring of vital dissemination systems.
Effective: Thu April 16, 2026, 2:29 PM
Expires: Thu April 16, 2026, 2:39 PM
Monitoring message only. Please disregard.
Monitoring message only. Please disregard.
Special Weather Statement issued April 16 at 4:42AM EDT by NWS State College PA
Effective: Thu April 16, 2026, 4:42 AM
Expires: Thu April 16, 2026, 8:00 PM
A combination of dry and breezy conditions this afternoon and evening will create an elevated risk of wildfire spread, especially for south central Pennsylvania. Minimum relative humidity values will range from 20 to 35 percent accompanied by wind gusts between 20 and 25 mph. Residents are urged to exercise caution if handling any potential ignition sources, such as machinery, cigarettes, or matches. If dry grasses and tree litter begin to burn, the fire will have the potential to spread rapidly. For more information about wildfire danger and wildfire prevention and education, please visit the Pennsylvania Department of Conservation and Natural Resources website at http://dcnr.pa.gov/Communities/Wildfire.
Weather Forecast
Air Quality
Nitrogen Dioxide: 11.73 μg/m3
Sulphur Dioxide: 3.71 μg/m3
Ozone: 73.84 μg/m3
Astronomical
Sun Transit: 1:09 PM
Sunset: 7:49 PM
Daylight: 13 hrs 17 mins
Moon Transit: 12:23 AM
Moonset: 7:13 PM
Moon Phase: New
Moon Illumination: 0.8%
Best Times for Fishing or Hunting
Major Periods
12:00 AM - 12:00 AM11:53 AM - 2:23 PM
Minor Periods
6:43 PM - 8:13 PM5:17 AM - 6:47 AM
Action Rating: 5 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 5.07 μg/m3
Sulphur Dioxide: 4.62 μg/m3
Ozone: 100.6 μg/m3
Astronomical
Sun Transit: 1:09 PM
Sunset: 7:50 PM
Daylight: 13 hrs 19 mins
Moon Transit: 1:15 PM
Moonset: 8:30 PM
Moon Phase: New
Moon Illumination: 4.1%
Best Times for Fishing or Hunting
Major Periods
2:02 AM - 4:32 AM12:45 AM - 3:15 PM
Minor Periods
8:00 PM - 9:30 PM5:45 AM - 7:15 AM
Action Rating: 4 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 15.66 μg/m3
Sulphur Dioxide: 5.09 μg/m3
Ozone: 85.52 μg/m3
Astronomical
Sun Transit: 1:09 PM
Sunset: 7:51 PM
Daylight: 13 hrs 22 mins
Moon Transit: 2:11 PM
Moonset: 9:49 PM
Moon Phase: New
Moon Illumination: 1.2%
Best Times for Fishing or Hunting
Major Periods
2:56 AM - 5:26 AM1:41 PM - 4:11 PM
Minor Periods
9:19 PM - 10:49 PM6:18 AM - 7:48 AM
Action Rating: 4 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 8.06 μg/m3
Sulphur Dioxide: 4.1 μg/m3
Ozone: 87.08 μg/m3
Astronomical
Sun Transit: 1:09 PM
Sunset: 7:52 PM
Daylight: 13 hrs 24 mins
Moon Transit: 3:12 PM
Moonset: 11:08 PM
Moon Phase: Waxing Crescent
Moon Illumination: 4.9%
Best Times for Fishing or Hunting
Major Periods
3:55 AM - 6:25 AM2:42 PM - 5:12 PM
Minor Periods
12:00 AM - 12:00 AM6:57 AM - 8:27 AM
Action Rating: 4 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 5.53 μg/m3
Sulphur Dioxide: 4.14 μg/m3
Ozone: 84.46 μg/m3
Astronomical
Sun Transit: 1:09 PM
Sunset: 7:53 PM
Daylight: 13 hrs 26 mins
Moon Transit: 4:17 PM
Moonset: 12:08 AM
Moon Phase: Waxing Crescent
Moon Illumination: 10.8%
Best Times for Fishing or Hunting
Major Periods
4:58 AM - 7:28 AM3:47 PM - 6:17 PM
Minor Periods
7:48 AM - 9:18 AM12:00 AM - 12:00 AM
Action Rating: 2 out of 5
