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

Current Water Temperature

80.1°F

Measurement Time: Saturday, August 29, 2026, 8:55 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

67°F
Mostly Cloudy
Mostly Cloudy
84%
SE 3 mph
62°F

Weather Forecast

Mostly Cloudy
Overnight
66°F - Mostly Cloudy
Mostly Sunny then Slight Chance Showers And Thunderstorms
Sunday
90°F - Mostly Sunny then Slight Chance Showers And Thunderstorms
Slight Chance Showers And Thunderstorms then Patchy Fog
Sunday Night
71°F - Slight Chance Showers And Thunderstorms then Patchy Fog
Patchy Fog then Mostly Sunny
Monday
92°F - Patchy Fog then Mostly Sunny
Mostly Cloudy
Monday Night
73°F - Mostly Cloudy
Mostly Sunny
Tuesday
96°F - Mostly Sunny
Partly Cloudy
Tuesday Night
75°F - Partly Cloudy
Mostly Sunny
Wednesday
97°F - Mostly Sunny
Slight Chance Showers And Thunderstorms
Wednesday Night
76°F - Slight Chance Showers And Thunderstorms
Mostly Sunny then Chance Showers And Thunderstorms
Thursday
95°F - Mostly Sunny then Chance Showers And Thunderstorms
Chance Showers And Thunderstorms
Thursday Night
71°F - Chance Showers And Thunderstorms
Chance Rain Showers
Friday
88°F - Chance Rain Showers
Chance Rain Showers
Friday Night
67°F - Chance Rain Showers
Slight Chance Rain Showers
Saturday
84°F - Slight Chance Rain Showers

Astronomical

Sunrise: 6:37 AM
Sun Transit: 1:10 PM
Sunset: 7:44 PM
Daylight: 13 hrs 6 mins
Moonrise: 8:47 PM
Moon Transit: 12:49 AM
Moonset: 9:08 AM
Moon Phase: Waning Gibbous
Moon Illumination: 88.9%

Best Times for Fishing or Hunting

Major Periods

12:19 AM - 2:49 AM
12:19 AM - 2:49 AM

Minor Periods

8:17 PM - 9:47 PM
8:38 AM - 10:08 AM

Action Rating: 2 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: 6:37 AM
Sun Transit: 1:10 PM
Sunset: 7:44 PM
Daylight: 13 hrs 6 mins
Moonrise: 8:47 PM
Moon Transit: 12:49 AM
Moonset: 9:08 AM
Moon Phase: Waning Gibbous
Moon Illumination: 88.9%

Best Times for Fishing or Hunting

Major Periods

12:19 AM - 2:49 AM
12:19 AM - 2:49 AM

Minor Periods

8:17 PM - 9:47 PM
8:38 AM - 10:08 AM

Action Rating: 2 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: 6:37 AM
Sun Transit: 1:10 PM
Sunset: 7:44 PM
Daylight: 13 hrs 6 mins
Moonrise: 8:47 PM
Moon Transit: 12:49 AM
Moonset: 9:08 AM
Moon Phase: Waning Gibbous
Moon Illumination: 88.9%

Best Times for Fishing or Hunting

Major Periods

12:19 AM - 2:49 AM
12:19 AM - 2:49 AM

Minor Periods

8:17 PM - 9:47 PM
8:38 AM - 10:08 AM

Action Rating: 2 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: 6:37 AM
Sun Transit: 1:10 PM
Sunset: 7:44 PM
Daylight: 13 hrs 6 mins
Moonrise: 8:47 PM
Moon Transit: 12:49 AM
Moonset: 9:08 AM
Moon Phase: Waning Gibbous
Moon Illumination: 88.9%

Best Times for Fishing or Hunting

Major Periods

12:19 AM - 2:49 AM
12:19 AM - 2:49 AM

Minor Periods

8:17 PM - 9:47 PM
8:38 AM - 10:08 AM

Action Rating: 2 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: 6:38 AM
Sun Transit: 1:10 PM
Sunset: 7:42 PM
Daylight: 13 hrs 4 mins
Moonrise: 9:12 PM
Moon Transit: 3:25 AM
Moonset: 10:16 AM
Moon Phase: Waning Gibbous
Moon Illumination: 80.9%

Best Times for Fishing or Hunting

Major Periods

2:55 AM - 5:25 AM
5:02 PM - 7:32 PM

Minor Periods

8:42 PM - 10:12 PM
9:46 AM - 11:16 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: 6:38 AM
Sun Transit: 1:10 PM
Sunset: 7:42 PM
Daylight: 13 hrs 4 mins
Moonrise: 9:12 PM
Moon Transit: 3:25 AM
Moonset: 10:16 AM
Moon Phase: Waning Gibbous
Moon Illumination: 80.9%

Best Times for Fishing or Hunting

Major Periods

2:55 AM - 5:25 AM
5:02 PM - 7:32 PM

Minor Periods

8:42 PM - 10:12 PM
9:46 AM - 11:16 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: 6:39 AM
Sun Transit: 1:10 PM
Sunset: 7:41 PM
Daylight: 13 hrs 2 mins
Moonrise: 9:43 PM
Moon Transit: 4:13 AM
Moonset: 11:27 AM
Moon Phase: Waning Gibbous
Moon Illumination: 71.2%

Best Times for Fishing or Hunting

Major Periods

3:43 AM - 6:13 AM
5:52 PM - 8:22 PM

Minor Periods

9:13 PM - 10:43 PM
10:57 AM - 12:27 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: 6:39 AM
Sun Transit: 1:10 PM
Sunset: 7:41 PM
Daylight: 13 hrs 2 mins
Moonrise: 9:43 PM
Moon Transit: 4:13 AM
Moonset: 11:27 AM
Moon Phase: Waning Gibbous
Moon Illumination: 71.2%

Best Times for Fishing or Hunting

Major Periods

3:43 AM - 6:13 AM
5:52 PM - 8:22 PM

Minor Periods

9:13 PM - 10:43 PM
10:57 AM - 12:27 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: 6:40 AM
Sun Transit: 1:09 PM
Sunset: 7:39 PM
Daylight: 12 hrs 59 mins
Moonrise: 10:20 PM
Moon Transit: 5:05 AM
Moonset: 12:40 AM
Moon Phase: Waning Gibbous
Moon Illumination: 60.5%

Best Times for Fishing or Hunting

Major Periods

4:35 AM - 7:05 AM
6:46 PM - 9:16 PM

Minor Periods

9:50 PM - 11:20 PM
12:10 AM - 1:40 PM

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: 6:40 AM
Sun Transit: 1:09 PM
Sunset: 7:39 PM
Daylight: 12 hrs 59 mins
Moonrise: 10:20 PM
Moon Transit: 5:05 AM
Moonset: 12:40 AM
Moon Phase: Waning Gibbous
Moon Illumination: 60.5%

Best Times for Fishing or Hunting

Major Periods

4:35 AM - 7:05 AM
6:46 PM - 9:16 PM

Minor Periods

9:50 PM - 11:20 PM
12:10 AM - 1:40 PM

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: 6:41 AM
Sun Transit: 1:09 PM
Sunset: 7:37 PM
Daylight: 12 hrs 57 mins
Moonrise: 11:05 PM
Moon Transit: 6:01 AM
Moonset: 1:54 PM
Moon Phase: Last Quarter
Moon Illumination: 49.2%

Best Times for Fishing or Hunting

Major Periods

5:31 AM - 8:01 AM
7:45 PM - 10:15 PM

Minor Periods

12:00 AM - 12:00 AM
1:24 PM - 2:54 PM

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: 6:41 AM
Sun Transit: 1:09 PM
Sunset: 7:37 PM
Daylight: 12 hrs 57 mins
Moonrise: 11:05 PM
Moon Transit: 6:01 AM
Moonset: 1:54 PM
Moon Phase: Last Quarter
Moon Illumination: 49.2%

Best Times for Fishing or Hunting

Major Periods

5:31 AM - 8:01 AM
7:45 PM - 10:15 PM

Minor Periods

12:00 AM - 12:00 AM
1:24 PM - 2:54 PM

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: 6:42 AM
Sun Transit: 1:09 PM
Sunset: 7:36 PM
Daylight: 12 hrs 54 mins
Moonrise: 12:05 AM
Moon Transit: 7:02 AM
Moonset: 3:04 PM
Moon Phase: Last Quarter
Moon Illumination: 38.0%

Best Times for Fishing or Hunting

Major Periods

6:32 AM - 9:02 AM
8:47 PM - 11:17 PM

Minor Periods

2:34 PM - 4:04 PM
12:00 AM - 12:00 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: 6:42 AM
Sun Transit: 1:09 PM
Sunset: 7:36 PM
Daylight: 12 hrs 54 mins
Moonrise: 12:05 AM
Moon Transit: 7:02 AM
Moonset: 3:04 PM
Moon Phase: Last Quarter
Moon Illumination: 38.0%

Best Times for Fishing or Hunting

Major Periods

6:32 AM - 9:02 AM
8:47 PM - 11:17 PM

Minor Periods

2:34 PM - 4:04 PM
12:00 AM - 12:00 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: 6:43 AM
Sun Transit: 1:08 PM
Sunset: 7:34 PM
Daylight: 12 hrs 52 mins
Moonrise: 12:02 AM
Moon Transit: 8:04 AM
Moonset: 4:07 PM
Moon Phase: Last Quarter
Moon Illumination: 27.4%

Best Times for Fishing or Hunting

Major Periods

7:34 AM - 10:04 AM
12:00 AM - 12:00 AM

Minor Periods

3:37 PM - 5:07 PM
12:00 AM - 12:00 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.

Webcams Near Point of Rocks, MD