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

Current Water Temperature

55.8°F 13.2°C
Cold Thermal Gear Required
55.8°F
Frigid < 50°F
Cold 50°–60°
Cool 60°–70°
Comfortable 70°–80°
Warm 80°+

Cold shock risk with rapid dexterity loss (10–15 mins). Wetsuit or drysuit strongly advised for any immersion.

Measurement Time: Saturday, November 7, 2026, 8:55 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

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

43.5°F
Clear
Conditions: Clear
Humidity: 70%
Feels Like: 36.7°F
Wind: WNW 13.6 mph
Wind Gusts: 30.2 mph
Pressure: 30.06 in
Precipitation: 0 in
Cloud Cover: 0%
Visibility: 6 mi
UV Index: 0

Weather Forecast

Sunny
Sun
H: 64°F
L: 40°F
Sunny
Mon
H: 60°F
L: 40°F
Sunny
Tue
H: 69°F
L: 39°F

Air Quality

EPA Index 1 • Good

Air quality is satisfactory, and air pollution poses little or no risk.

PM2.5
1.5 μg/m³
Good
PM10
1.5 μg/m³
Good
Ozone (O3)
52 μg/m³
Photochemical
NO2
3.6 μg/m³
Nitrogen Dioxide
SO2
1.4 μg/m³
Sulfur Dioxide
CO
139 μg/m³
Carbon Monoxide

Astronomical

Sun
10h 15m daylight
Sunrise 6:46 AM
Solar Noon 11:53 AM
Sunset 5:01 PM
Moon
New • 0%
Moonrise 6:13 AM
Transit 11:19 AM
Moonset 4:19 PM

Best Times for Fishing or Hunting

Major Periods

10:49 AM - 1:19 PM
11:13 PM - 1:43 AM

Minor Periods

5:43 AM - 7:13 AM
3:49 PM - 5:19 PM
Action Rating:
Peak Action 5/5
Sunday, November 8, 2026

Weather Forecast

Conditions: Sunny
Average Temperature: 49.5°F
Average Humidity: 59%
Chance of Rain: 4%
Wind: 14.1 mph
UV Index: 2.8

Astronomical

Sun
10h 15m daylight
Sunrise 6:46 AM
Solar Noon 11:53 AM
Sunset 5:01 PM
Moon
New • 0%
Moonrise 6:13 AM
Transit 11:19 AM
Moonset 4:19 PM

Best Times for Fishing or Hunting

Major Periods

10:49 AM - 1:19 PM
11:13 PM - 1:43 AM

Minor Periods

5:43 AM - 7:13 AM
3:49 PM - 5:19 PM
Action Rating:
Peak Action 5/5
Monday, November 9, 2026

Weather Forecast

Conditions: Sunny
Average Temperature: 47.8°F
Average Humidity: 61%
Chance of Rain: 6%
Wind: 17 mph
UV Index: 2.7

Astronomical

Sun
10h 13m daylight
Sunrise 6:47 AM
Solar Noon 11:54 AM
Sunset 5:01 PM
Moon
New • 2%
Moonrise 7:18 AM
Transit 12:07 PM
Moonset 4:52 PM

Best Times for Fishing or Hunting

Major Periods

12:02 AM - 2:32 AM
11:37 AM - 2:07 PM

Minor Periods

6:48 AM - 8:18 AM
4:22 PM - 5:52 PM
Action Rating:
Very Good 4/5
Tuesday, November 10, 2026

Weather Forecast

Conditions: Sunny
Average Temperature: 51°F
Average Humidity: 64%
Chance of Rain: 5%
Wind: 13.2 mph
UV Index: 2.8

Astronomical

Sun
10h 11m daylight
Sunrise 6:48 AM
Solar Noon 11:54 AM
Sunset 5:00 PM
Moon
New • 0%
Moonrise 8:21 AM
Transit 12:57 PM
Moonset 5:31 PM

Best Times for Fishing or Hunting

Major Periods

12:02 AM - 2:32 AM
12:27 PM - 2:57 PM

Minor Periods

7:51 AM - 9:21 AM
5:01 PM - 6:31 PM
Action Rating:
Very Good 4/5
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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