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

Current Water Temperature

56.1°F

Measurement Time: Thursday, April 9, 2026, 8:55 AM 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

60.6°F
Sunny
Sunny
59.6°F
60.6°F
32%
S 11.2 mph
12.9 mph
59.6°F
31.5°F
0 in
0%
6 mi
1032 mbar
5.7

Five Day Weather Forecast

Sunny
Thu
H: 69°F
L: 35°F
Mist
Fri
H: 74°F
L: 37°F
Sunny
Sat
H: 67°F
L: 47°F
Partly Cloudy
Sun
H: 68°F
L: 44°F
Patchy rain nearby
Mon
H: 71°F
L: 54°F

Air Quality

AQI: 1 - Good
PM2.5: 7.75 μg/m3
PM10: 9.35 μg/m3
Carbon Monoxide: 170.85 μg/m3
Nitrogen Dioxide: 4.05 μg/m3
Sulphur Dioxide: 5.95 μg/m3
Ozone: 115 μg/m3

Astronomical

Sunrise: 6:42 AM
Sun Transit: 1:11 PM
Sunset: 7:42 PM
Daylight: 12 hrs 59 mins
Moonrise: 2:23 AM
Moon Transit: 6:50 AM
Moonset: 11:20 AM
Moon Phase: Last Quarter
Moon Illumination: 41.9%

Best Times for Fishing or Hunting

Major Periods

6:20 AM - 8:50 AM
8:28 PM - 10:58 PM

Minor Periods

10:50 AM - 12:20 AM
1:53 AM - 3:23 AM

Action Rating: 3 out of 5

Special Weather Statement issued April 9 at 6:55AM EDT by NWS State College PA

Effective: Thu April 9, 2026, 6:55 AM
Expires: Thu April 9, 2026, 6:00 PM

The combination of marginally dry and breezy conditions will create an elevated risk of wildfire spread across most of central Pennsylvania today. Minimum relative humidity values will be around 30 percent with wind gusts from the south between 15 and 25 mph. 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.


Thursday, April 9, 2026

Weather Forecast

Sunny
68.5°F
34.9°F
50.3°F
53%
0 in
0%
0%
11.2 mph
1.4


Air Quality

AQI: 1 - Good
PM2.5: 8.67 μg/m3
PM10: 10.11 μg/m3
Carbon Monoxide: 192.61 μg/m3
Nitrogen Dioxide: 10.95 μg/m3
Sulphur Dioxide: 4.79 μg/m3
Ozone: 79.92 μg/m3

Astronomical

Sunrise: 6:42 AM
Sun Transit: 1:11 PM
Sunset: 7:42 PM
Daylight: 12 hrs 59 mins
Moonrise: 2:23 AM
Moon Transit: 6:50 AM
Moonset: 11:20 AM
Moon Phase: Last Quarter
Moon Illumination: 41.9%

Best Times for Fishing or Hunting

Major Periods

6:20 AM - 8:50 AM
8:28 PM - 10:58 PM

Minor Periods

10:50 AM - 12:20 AM
1:53 AM - 3:23 AM

Action Rating: 3 out of 5

Friday, April 10, 2026

Weather Forecast

Mist
73.9°F
36.5°F
54°F
77%
0 in
0%
0%
11 mph
1.6


Air Quality

AQI: 1 - Good
PM2.5: 9.31 μg/m3
PM10: 9.97 μg/m3
Carbon Monoxide: 184.37 μg/m3
Nitrogen Dioxide: 8.95 μg/m3
Sulphur Dioxide: 5.02 μg/m3
Ozone: 82.68 μg/m3

Astronomical

Sunrise: 6:41 AM
Sun Transit: 1:11 PM
Sunset: 7:43 PM
Daylight: 13 hrs 2 mins
Moonrise: 3:04 AM
Moon Transit: 7:40 AM
Moonset: 12:23 AM
Moon Phase: Last Quarter
Moon Illumination: 31.0%

Best Times for Fishing or Hunting

Major Periods

7:10 AM - 9:40 AM
9:18 PM - 11:48 PM

Minor Periods

11:53 AM - 1:23 PM
2:34 AM - 4:04 AM

Action Rating: 3 out of 5

Saturday, April 11, 2026

Weather Forecast

Sunny
66.7°F
46.6°F
56.8°F
59%
0 in
0%
0%
13.6 mph
1.7


Air Quality

AQI: 1 - Good
PM2.5: 9.17 μg/m3
PM10: 9.65 μg/m3
Carbon Monoxide: 186.09 μg/m3
Nitrogen Dioxide: 10.19 μg/m3
Sulphur Dioxide: 4.35 μg/m3
Ozone: 81.88 μg/m3

Astronomical

Sunrise: 6:39 AM
Sun Transit: 1:11 PM
Sunset: 7:44 PM
Daylight: 13 hrs 4 mins
Moonrise: 3:38 AM
Moon Transit: 8:29 AM
Moonset: 1:27 PM
Moon Phase: Last Quarter
Moon Illumination: 21.1%

Best Times for Fishing or Hunting

Major Periods

7:59 AM - 10:29 AM
12:00 AM - 12:00 AM

Minor Periods

12:57 AM - 2:27 PM
3:08 AM - 4:38 AM

Action Rating: 2 out of 5

Sunday, April 12, 2026

Weather Forecast

Partly Cloudy
68°F
44.1°F
54.8°F
66%
0 in
0%
0%
14.8 mph
1.2


Air Quality

AQI: 1 - Good
PM2.5: 11.57 μg/m3
PM10: 11.82 μg/m3
Carbon Monoxide: 211.15 μg/m3
Nitrogen Dioxide: 18.06 μg/m3
Sulphur Dioxide: 5.01 μg/m3
Ozone: 71.88 μg/m3

Astronomical

Sunrise: 6:38 AM
Sun Transit: 1:10 PM
Sunset: 7:45 PM
Daylight: 13 hrs 7 mins
Moonrise: 4:08 AM
Moon Transit: 9:16 AM
Moonset: 2:34 PM
Moon Phase: Waning Crescent
Moon Illumination: 12.6%

Best Times for Fishing or Hunting

Major Periods

8:46 AM - 11:16 AM
12:00 AM - 12:00 AM

Minor Periods

2:04 PM - 3:34 PM
3:38 AM - 5:08 AM

Action Rating: 2 out of 5

Monday, April 13, 2026

Weather Forecast

Patchy rain nearby
70.5°F
54.2°F
61.4°F
79%
0.02 in
86%
0%
13 mph
0


Air Quality

AQI: 1 - Good
PM2.5: 8.61 μg/m3
PM10: 9.13 μg/m3
Carbon Monoxide: 210.22 μg/m3
Nitrogen Dioxide: 6.65 μg/m3
Sulphur Dioxide: 3.74 μg/m3
Ozone: 97.85 μg/m3

Astronomical

Sunrise: 6:36 AM
Sun Transit: 1:10 PM
Sunset: 7:46 PM
Daylight: 13 hrs 9 mins
Moonrise: 4:34 AM
Moon Transit: 10:02 AM
Moonset: 3:41 PM
Moon Phase: Waning Crescent
Moon Illumination: 6.1%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
9:32 AM - 12:02 AM

Minor Periods

3:11 PM - 4:41 PM
4:04 AM - 5:34 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.

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