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

Current Water Temperature

77.7°F

Measurement Time: Monday, September 7, 2026, 11:55 PM EDT

Temperature Locations

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Local Points of Interest

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

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

59°F
Mostly Clear
Mostly Clear
83%
SE 2 mph
54°F

Weather Forecast

Partly Cloudy
Overnight
56°F - Partly Cloudy
Mostly Sunny
Tuesday
86°F - Mostly Sunny
Partly Cloudy
Tuesday Night
63°F - Partly Cloudy
Mostly Sunny
Wednesday
88°F - Mostly Sunny
Mostly Clear
Wednesday Night
69°F - Mostly Clear
Mostly Sunny then Showers And Thunderstorms Likely
Thursday
88°F - Mostly Sunny then Showers And Thunderstorms Likely
Showers And Thunderstorms Likely
Thursday Night
65°F - Showers And Thunderstorms Likely
Mostly Sunny
Friday
82°F - Mostly Sunny
Partly Cloudy then Slight Chance Rain Showers
Friday Night
61°F - Partly Cloudy then Slight Chance Rain Showers
Chance Showers And Thunderstorms
Saturday
83°F - Chance Showers And Thunderstorms
Chance Showers And Thunderstorms
Saturday Night
66°F - Chance Showers And Thunderstorms
Partly Sunny then Slight Chance Showers And Thunderstorms
Sunday
86°F - Partly Sunny then Slight Chance Showers And Thunderstorms
Slight Chance Showers And Thunderstorms then Partly Cloudy
Sunday Night
66°F - Slight Chance Showers And Thunderstorms then Partly Cloudy
Mostly Sunny then Slight Chance Rain Showers
Monday
85°F - Mostly Sunny then Slight Chance Rain Showers

Astronomical

Sunrise: 6:45 AM
Sun Transit: 1:07 PM
Sunset: 7:30 PM
Daylight: 12 hrs 44 mins
Moonrise: 3:39 AM
Moon Transit: 11:03 AM
Moonset: 6:15 PM
Moon Phase: Waning Crescent
Moon Illumination: 4.4%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
10:33 AM - 1:03 PM

Minor Periods

5:45 PM - 7:15 PM
3:09 AM - 4:39 AM

Action Rating: 3 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 6:45 AM
Sun Transit: 1:07 PM
Sunset: 7:30 PM
Daylight: 12 hrs 44 mins
Moonrise: 3:39 AM
Moon Transit: 11:03 AM
Moonset: 6:15 PM
Moon Phase: Waning Crescent
Moon Illumination: 4.4%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
10:33 AM - 1:03 PM

Minor Periods

5:45 PM - 7:15 PM
3:09 AM - 4:39 AM

Action Rating: 3 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 6:45 AM
Sun Transit: 1:07 PM
Sunset: 7:30 PM
Daylight: 12 hrs 44 mins
Moonrise: 3:39 AM
Moon Transit: 11:03 AM
Moonset: 6:15 PM
Moon Phase: Waning Crescent
Moon Illumination: 4.4%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
10:33 AM - 1:03 PM

Minor Periods

5:45 PM - 7:15 PM
3:09 AM - 4:39 AM

Action Rating: 3 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 6:45 AM
Sun Transit: 1:07 PM
Sunset: 7:30 PM
Daylight: 12 hrs 44 mins
Moonrise: 3:39 AM
Moon Transit: 11:03 AM
Moonset: 6:15 PM
Moon Phase: Waning Crescent
Moon Illumination: 4.4%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
10:33 AM - 1:03 PM

Minor Periods

5:45 PM - 7:15 PM
3:09 AM - 4:39 AM

Action Rating: 3 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 6:46 AM
Sun Transit: 1:07 PM
Sunset: 7:28 PM
Daylight: 12 hrs 42 mins
Moonrise: 4:55 AM
Moon Transit: 11:55 AM
Moonset: 6:44 PM
Moon Phase: Waning Crescent
Moon Illumination: 0.9%

Best Times for Fishing or Hunting

Major Periods

12:43 AM - 3:13 AM
11:25 AM - 1:55 PM

Minor Periods

6:14 PM - 7:44 PM
4:25 AM - 5:55 AM

Action Rating: 3 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 6:46 AM
Sun Transit: 1:07 PM
Sunset: 7:28 PM
Daylight: 12 hrs 42 mins
Moonrise: 4:55 AM
Moon Transit: 11:55 AM
Moonset: 6:44 PM
Moon Phase: Waning Crescent
Moon Illumination: 0.9%

Best Times for Fishing or Hunting

Major Periods

12:43 AM - 3:13 AM
11:25 AM - 1:55 PM

Minor Periods

6:14 PM - 7:44 PM
4:25 AM - 5:55 AM

Action Rating: 3 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 6:47 AM
Sun Transit: 1:07 PM
Sunset: 7:26 PM
Daylight: 12 hrs 39 mins
Moonrise: 6:07 AM
Moon Transit: 12:44 AM
Moonset: 7:09 PM
Moon Phase: New
Moon Illumination: 0.0%

Best Times for Fishing or Hunting

Major Periods

1:33 AM - 4:03 AM
12:14 AM - 2:44 PM

Minor Periods

6:39 PM - 8:09 PM
5:37 AM - 7:07 AM

Action Rating: 4 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 6:47 AM
Sun Transit: 1:07 PM
Sunset: 7:26 PM
Daylight: 12 hrs 39 mins
Moonrise: 6:07 AM
Moon Transit: 12:44 AM
Moonset: 7:09 PM
Moon Phase: New
Moon Illumination: 0.0%

Best Times for Fishing or Hunting

Major Periods

1:33 AM - 4:03 AM
12:14 AM - 2:44 PM

Minor Periods

6:39 PM - 8:09 PM
5:37 AM - 7:07 AM

Action Rating: 4 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 6:48 AM
Sun Transit: 1:06 PM
Sunset: 7:25 PM
Daylight: 12 hrs 37 mins
Moonrise: 7:16 AM
Moon Transit: 1:30 PM
Moonset: 7:33 PM
Moon Phase: New
Moon Illumination: 1.7%

Best Times for Fishing or Hunting

Major Periods

2:20 AM - 4:50 AM
1:00 PM - 3:30 PM

Minor Periods

7:03 PM - 8:33 PM
6:46 AM - 8:16 AM

Action Rating: 5 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 6:48 AM
Sun Transit: 1:06 PM
Sunset: 7:25 PM
Daylight: 12 hrs 37 mins
Moonrise: 7:16 AM
Moon Transit: 1:30 PM
Moonset: 7:33 PM
Moon Phase: New
Moon Illumination: 1.7%

Best Times for Fishing or Hunting

Major Periods

2:20 AM - 4:50 AM
1:00 PM - 3:30 PM

Minor Periods

7:03 PM - 8:33 PM
6:46 AM - 8:16 AM

Action Rating: 5 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 6:49 AM
Sun Transit: 1:06 PM
Sunset: 7:23 PM
Daylight: 12 hrs 34 mins
Moonrise: 8:24 AM
Moon Transit: 2:15 PM
Moonset: 7:56 PM
Moon Phase: New
Moon Illumination: 0.1%

Best Times for Fishing or Hunting

Major Periods

3:05 AM - 5:35 AM
1:45 PM - 4:15 PM

Minor Periods

7:26 PM - 8:56 PM
7:54 AM - 9:24 AM

Action Rating: 4 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 6:49 AM
Sun Transit: 1:06 PM
Sunset: 7:23 PM
Daylight: 12 hrs 34 mins
Moonrise: 8:24 AM
Moon Transit: 2:15 PM
Moonset: 7:56 PM
Moon Phase: New
Moon Illumination: 0.1%

Best Times for Fishing or Hunting

Major Periods

3:05 AM - 5:35 AM
1:45 PM - 4:15 PM

Minor Periods

7:26 PM - 8:56 PM
7:54 AM - 9:24 AM

Action Rating: 4 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 6:50 AM
Sun Transit: 1:06 PM
Sunset: 7:21 PM
Daylight: 12 hrs 32 mins
Moonrise: 9:31 AM
Moon Transit: 3:00 PM
Moonset: 8:21 PM
Moon Phase: New
Moon Illumination: 2.2%

Best Times for Fishing or Hunting

Major Periods

3:50 AM - 6:20 AM
2:30 PM - 5:00 PM

Minor Periods

7:51 PM - 9:21 PM
9:01 AM - 10:31 AM

Action Rating: 5 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 6:50 AM
Sun Transit: 1:06 PM
Sunset: 7:21 PM
Daylight: 12 hrs 32 mins
Moonrise: 9:31 AM
Moon Transit: 3:00 PM
Moonset: 8:21 PM
Moon Phase: New
Moon Illumination: 2.2%

Best Times for Fishing or Hunting

Major Periods

3:50 AM - 6:20 AM
2:30 PM - 5:00 PM

Minor Periods

7:51 PM - 9:21 PM
9:01 AM - 10:31 AM

Action Rating: 5 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 6:51 AM
Sun Transit: 1:05 PM
Sunset: 7:20 PM
Daylight: 12 hrs 29 mins
Moonrise: 10:37 AM
Moon Transit: 3:46 PM
Moonset: 8:49 PM
Moon Phase: Waxing Crescent
Moon Illumination: 6.7%

Best Times for Fishing or Hunting

Major Periods

4:36 AM - 7:06 AM
3:16 PM - 5:46 PM

Minor Periods

8:19 PM - 9:49 PM
10:07 AM - 11:37 AM

Action Rating: 3 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.

Webcams Near Point of Rocks, MD