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

Current Water Temperature

32.0°F

Measurement Time: Monday, February 2, 2026, 2:45 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

19°F
Sunny
Sunny
6.8°F
14.3°F
59%
NW 11.4 mph
15.7 mph
4.9°F
2.8°F
0 in
0%
9 mi
1022 mbar
0.7

Five Day Weather Forecast

Sunny
Mon
H: 35°F
L: 12°F
Mist
Tue
H: 34°F
L: 16°F
Partly Cloudy
Wed
H: 32°F
L: 24°F
Sunny
Thu
H: 32°F
L: 16°F
Light freezing rain
Fri
H: 37°F
L: 14°F

Air Quality

AQI: 2 - Moderate
PM2.5: 10.35 μg/m3
PM10: 10.65 μg/m3
Carbon Monoxide: 188.85 μg/m3
Nitrogen Dioxide: 4.85 μg/m3
Sulphur Dioxide: 7.35 μg/m3
Ozone: 88 μg/m3

Astronomical

Sunrise: 7:16 AM
Sun Transit: 12:23 AM
Sunset: 5:32 PM
Daylight: 10 hrs 16 mins
Moonrise: 6:36 PM
Moon Transit: 12:42 AM
Moonset: 7:50 AM
Moon Phase: Full
Moon Illumination: 99.4%

Best Times for Fishing or Hunting

Major Periods

12:12 AM - 2:42 AM
2:21 PM - 4:51 PM

Minor Periods

6:06 PM - 7:36 PM
7:20 AM - 8:50 AM

Action Rating: 4 out of 5

This is only a test for monitoring of vital dissemination systems.

Effective: Mon February 2, 2026, 7:22 AM
Expires: Mon February 2, 2026, 7:32 AM

Monitoring message only. Please disregard.

Monitoring message only. Please disregard.


Cold Weather Advisory issued February 2 at 5:45AM EST until February 2 at 10:00AM EST by NWS Baltimore MD/Washington DC

Effective: Mon February 2, 2026, 5:45 AM
Expires: Mon February 2, 2026, 10:00 AM

* WHAT...Very cold wind chills as low as 10 below. * WHERE...In Virginia, Central Virginia Blue Ridge and Northern Virginia Blue Ridge, and Eastern Highland County. In West Virginia, Eastern Pendleton County. * WHEN...Until 10 AM EST this morning. * IMPACTS...The cold wind chills as low as 10 below zero could result in hypothermia if precautions are not taken. Frostbite and hypothermia will occur if unprotected skin is exposed to these temperatures. Wind chill values can lead to hypothermia with prolonged exposure.

Use caution while traveling outside. Wear appropriate clothing, a hat, and gloves. Keep pets indoors as much as possible. Make sure outdoor animals have a warm, dry shelter, food, and unfrozen water. Make frequent checks on older family, friends, and neighbors. Ensure portable heaters are used correctly. Do not use generators or grills inside.
Monday, February 2, 2026

Weather Forecast

Sunny
34.5°F
12.2°F
22.7°F
65%
0 in
0%
0%
14.8 mph
0.5


Air Quality

AQI: 1 - Good
PM2.5: 8.5 μg/m3
PM10: 8.7 μg/m3
Carbon Monoxide: 217.65 μg/m3
Nitrogen Dioxide: 10.2 μg/m3
Sulphur Dioxide: 6.29 μg/m3
Ozone: 74.88 μg/m3

Astronomical

Sunrise: 7:16 AM
Sun Transit: 12:23 AM
Sunset: 5:32 PM
Daylight: 10 hrs 16 mins
Moonrise: 6:36 PM
Moon Transit: 12:42 AM
Moonset: 7:50 AM
Moon Phase: Full
Moon Illumination: 99.4%

Best Times for Fishing or Hunting

Major Periods

12:12 AM - 2:42 AM
2:21 PM - 4:51 PM

Minor Periods

6:06 PM - 7:36 PM
7:20 AM - 8:50 AM

Action Rating: 4 out of 5

Tuesday, February 3, 2026

Weather Forecast

Mist
33.6°F
15.8°F
26.1°F
82%
0.01 in
80%
3%
4.9 mph
0.4


Air Quality

AQI: 2 - Moderate
PM2.5: 22.42 μg/m3
PM10: 23.16 μg/m3
Carbon Monoxide: 317.93 μg/m3
Nitrogen Dioxide: 39.12 μg/m3
Sulphur Dioxide: 8.45 μg/m3
Ozone: 40.56 μg/m3

Astronomical

Sunrise: 7:15 AM
Sun Transit: 12:24 AM
Sunset: 5:33 PM
Daylight: 10 hrs 18 mins
Moonrise: 7:45 PM
Moon Transit: 1:32 AM
Moonset: 8:17 AM
Moon Phase: Full
Moon Illumination: 96.3%

Best Times for Fishing or Hunting

Major Periods

1:02 AM - 3:32 AM
3:08 PM - 5:38 PM

Minor Periods

7:15 PM - 8:45 PM
7:47 AM - 9:17 AM

Action Rating: 4 out of 5

Wednesday, February 4, 2026

Weather Forecast

Partly Cloudy
32.4°F
23.6°F
28.3°F
81%
0 in
0%
0%
10.1 mph
0.5


Air Quality

AQI: 2 - Moderate
PM2.5: 19.14 μg/m3
PM10: 19.51 μg/m3
Carbon Monoxide: 326.93 μg/m3
Nitrogen Dioxide: 36.95 μg/m3
Sulphur Dioxide: 4.82 μg/m3
Ozone: 43.32 μg/m3

Astronomical

Sunrise: 7:14 AM
Sun Transit: 12:24 AM
Sunset: 5:34 PM
Daylight: 10 hrs 20 mins
Moonrise: 8:52 PM
Moon Transit: 2:18 AM
Moonset: 8:41 AM
Moon Phase: Full
Moon Illumination: 90.9%

Best Times for Fishing or Hunting

Major Periods

1:48 AM - 4:18 AM
3:53 PM - 6:23 PM

Minor Periods

8:22 PM - 9:52 PM
8:11 AM - 9:41 AM

Action Rating: 3 out of 5

Thursday, February 5, 2026

Weather Forecast

Sunny
32.1°F
15.6°F
21.9°F
75%
0 in
0%
0%
11.9 mph
0.5


Air Quality

AQI: 1 - Good
PM2.5: 6.23 μg/m3
PM10: 6.25 μg/m3
Carbon Monoxide: 228.83 μg/m3
Nitrogen Dioxide: 11.07 μg/m3
Sulphur Dioxide: 5.1 μg/m3
Ozone: 63.8 μg/m3

Astronomical

Sunrise: 7:13 AM
Sun Transit: 12:24 AM
Sunset: 5:35 PM
Daylight: 10 hrs 22 mins
Moonrise: 9:55 PM
Moon Transit: 3:02 AM
Moonset: 9:03 AM
Moon Phase: Waning Gibbous
Moon Illumination: 83.4%

Best Times for Fishing or Hunting

Major Periods

2:32 AM - 5:02 AM
4:36 PM - 7:06 PM

Minor Periods

9:25 PM - 10:55 PM
8:33 AM - 10:03 AM

Action Rating: 2 out of 5

Friday, February 6, 2026

Weather Forecast

Light freezing rain
36.9°F
13.9°F
23.3°F
88%
0.02 in
56%
8%
12.3 mph
0


Air Quality

AQI: 2 - Moderate
PM2.5: 19.44 μg/m3
PM10: 19.51 μg/m3
Carbon Monoxide: 395.6 μg/m3
Nitrogen Dioxide: 37.6 μg/m3
Sulphur Dioxide: 6.71 μg/m3
Ozone: 29.08 μg/m3

Astronomical

Sunrise: 7:12 AM
Sun Transit: 12:24 AM
Sunset: 5:37 PM
Daylight: 10 hrs 25 mins
Moonrise: 10:58 PM
Moon Transit: 3:44 AM
Moonset: 9:24 AM
Moon Phase: Waning Gibbous
Moon Illumination: 74.1%

Best Times for Fishing or Hunting

Major Periods

3:14 AM - 5:44 AM
5:18 PM - 7:48 PM

Minor Periods

10:28 PM - 11:58 PM
8:54 AM - 10:24 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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