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

Current Water Temperature

35.6°F

Measurement Time: Monday, January 12, 2026, 2:30 AM EST

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

32.5°F
Sunny
Sunny
23.6°F
31.4°F
69%
WNW 11.6 mph
19.3 mph
22.8°F
22.7°F
0 in
0%
9 mi
1027 mbar
0.1

Five Day Weather Forecast

Sunny
Mon
H: 50°F
L: 31°F
Cloudy
Tue
H: 48°F
L: 31°F
Patchy rain nearby
Wed
H: 45°F
L: 39°F
Moderate rain
Thu
H: 41°F
L: 24°F
Moderate or heavy snow showers
Fri
H: 30°F
L: 17°F

Air Quality

AQI: 1 - Good
PM2.5: 3.15 μg/m3
PM10: 3.55 μg/m3
Carbon Monoxide: 193.85 μg/m3
Nitrogen Dioxide: 3.85 μg/m3
Sulphur Dioxide: 8.95 μg/m3
Ozone: 66 μg/m3

Astronomical

Sunrise: 7:29 AM
Sun Transit: 12:18 AM
Sunset: 5:08 PM
Daylight: 9 hrs 39 mins
Moonrise: 2:14 AM
Moon Transit: 7:16 AM
Moonset: 12:13 AM
Moon Phase: Last Quarter
Moon Illumination: 25.0%

Best Times for Fishing or Hunting

Major Periods

6:46 AM - 9:16 AM
8:52 PM - 11:22 PM

Minor Periods

11:43 AM - 1:13 PM
1:44 AM - 3:14 AM

Action Rating: 2 out of 5

Monday, January 12, 2026

Weather Forecast

Sunny
50.4°F
30.7°F
37.1°F
58%
0 in
0%
0%
16.8 mph
0.4


Air Quality

AQI: 1 - Good
PM2.5: 3.47 μg/m3
PM10: 3.66 μg/m3
Carbon Monoxide: 202.93 μg/m3
Nitrogen Dioxide: 6.3 μg/m3
Sulphur Dioxide: 6.99 μg/m3
Ozone: 62.08 μg/m3

Astronomical

Sunrise: 7:29 AM
Sun Transit: 12:18 AM
Sunset: 5:08 PM
Daylight: 9 hrs 39 mins
Moonrise: 2:14 AM
Moon Transit: 7:16 AM
Moonset: 12:13 AM
Moon Phase: Last Quarter
Moon Illumination: 25.0%

Best Times for Fishing or Hunting

Major Periods

6:46 AM - 9:16 AM
8:52 PM - 11:22 PM

Minor Periods

11:43 AM - 1:13 PM
1:44 AM - 3:14 AM

Action Rating: 2 out of 5

Tuesday, January 13, 2026

Weather Forecast

Cloudy
48.4°F
31.3°F
38.1°F
55%
0 in
0%
0%
10.3 mph
0.4


Air Quality

AQI: 1 - Good
PM2.5: 9.78 μg/m3
PM10: 10.26 μg/m3
Carbon Monoxide: 286.25 μg/m3
Nitrogen Dioxide: 15.59 μg/m3
Sulphur Dioxide: 8.32 μg/m3
Ozone: 42.08 μg/m3

Astronomical

Sunrise: 7:29 AM
Sun Transit: 12:18 AM
Sunset: 5:09 PM
Daylight: 9 hrs 41 mins
Moonrise: 3:16 AM
Moon Transit: 8:02 AM
Moonset: 12:44 AM
Moon Phase: Waning Crescent
Moon Illumination: 15.9%

Best Times for Fishing or Hunting

Major Periods

7:32 AM - 10:02 AM
12:00 AM - 12:00 AM

Minor Periods

12:14 AM - 1:44 PM
2:46 AM - 4:16 AM

Action Rating: 3 out of 5

Wednesday, January 14, 2026

Weather Forecast

Patchy rain nearby
45°F
38.7°F
41.4°F
69%
0.17 in
82%
0%
10.7 mph
0.3


Air Quality

AQI: 1 - Good
PM2.5: 9.06 μg/m3
PM10: 9.21 μg/m3
Carbon Monoxide: 255.57 μg/m3
Nitrogen Dioxide: 11.88 μg/m3
Sulphur Dioxide: 5.12 μg/m3
Ozone: 50.08 μg/m3

Astronomical

Sunrise: 7:28 AM
Sun Transit: 12:19 AM
Sunset: 5:10 PM
Daylight: 9 hrs 42 mins
Moonrise: 4:18 AM
Moon Transit: 8:51 AM
Moonset: 1:21 PM
Moon Phase: Waning Crescent
Moon Illumination: 8.5%

Best Times for Fishing or Hunting

Major Periods

8:21 AM - 10:51 AM
12:00 AM - 12:00 AM

Minor Periods

12:51 AM - 2:21 PM
3:48 AM - 5:18 AM

Action Rating: 2 out of 5

Thursday, January 15, 2026

Weather Forecast

Moderate rain
41.4°F
23.8°F
36.8°F
93%
0.69 in
71%
19%
18.1 mph
0.1


Air Quality

AQI: 1 - Good
PM2.5: 6.71 μg/m3
PM10: 6.77 μg/m3
Carbon Monoxide: 329.97 μg/m3
Nitrogen Dioxide: 14.43 μg/m3
Sulphur Dioxide: 8.23 μg/m3
Ozone: 41.8 μg/m3

Astronomical

Sunrise: 7:28 AM
Sun Transit: 12:19 AM
Sunset: 5:11 PM
Daylight: 9 hrs 43 mins
Moonrise: 5:16 AM
Moon Transit: 9:42 AM
Moonset: 2:07 PM
Moon Phase: Waning Crescent
Moon Illumination: 3.3%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
9:12 AM - 11:42 AM

Minor Periods

1:37 PM - 3:07 PM
4:46 AM - 6:16 AM

Action Rating: 2 out of 5

Friday, January 16, 2026

Weather Forecast

Moderate or heavy snow showers
29.9°F
16.7°F
22.3°F
85%
0.06 in
64%
29%
20.1 mph
0


Air Quality

AQI: 1 - Good
PM2.5: 2.85 μg/m3
PM10: 2.85 μg/m3
Carbon Monoxide: 188.85 μg/m3
Nitrogen Dioxide: 9.05 μg/m3
Sulphur Dioxide: 6.95 μg/m3
Ozone: 60 μg/m3

Astronomical

Sunrise: 7:28 AM
Sun Transit: 12:20 AM
Sunset: 5:12 PM
Daylight: 9 hrs 45 mins
Moonrise: 6:11 AM
Moon Transit: 10:34 AM
Moonset: 3:00 PM
Moon Phase: Waning Crescent
Moon Illumination: 0.5%

Best Times for Fishing or Hunting

Major Periods

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

Minor Periods

2:30 PM - 4:00 PM
5:41 AM - 7:11 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.

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