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

Current Water Temperature

77.4°F

Measurement Time: Friday, June 5, 2026, 2:55 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

87.1°F
Sunny
Sunny
85.7°F
85.2°F
35%
SE 3.8 mph
8 mph
86.1°F
54.4°F
0 in
0%
9 mi
1015 mbar
0.5

Five Day Weather Forecast

Sunny
Fri
H: 93°F
L: 59°F
Sunny
Sat
H: 87°F
L: 64°F
Patchy rain nearby
Sun
H: 86°F
L: 64°F
Sunny
Mon
H: 78°F
L: 54°F
Sunny
Tue
H: 79°F
L: 54°F

Air Quality

AQI: 1 - Good
PM2.5: 6 μg/m3
PM10: 6.8 μg/m3
Carbon Monoxide: 139 μg/m3
Nitrogen Dioxide: 5.5 μg/m3
Sulphur Dioxide: 2 μg/m3
Ozone: 109 μg/m3

Astronomical

Sunrise: 5:44 AM
Sun Transit: 1:08 PM
Sunset: 8:34 PM
Daylight: 14 hrs 50 mins
Moonrise: 12:09 AM
Moon Transit: 5:05 AM
Moonset: 10:10 AM
Moon Phase: Waning Gibbous
Moon Illumination: 65.0%

Best Times for Fishing or Hunting

Major Periods

4:35 AM - 7:05 AM
6:41 PM - 9:11 PM

Minor Periods

9:40 AM - 11:10 AM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Air Quality Alert issued June 4 at 4:40PM EDT by NWS Baltimore MD/Washington DC

Non-Weather Emergency Message. Not sent to IPAWS.

Effective: Thu June 4, 2026, 4:40 PM
Expires: Sat June 6, 2026, 12:00 AM

The Virginia Department of Environmental Quality has issued a Code ORANGE Air Quality Alert Friday for Northern Virginia. A Code Orange Air Quality Alert means that air pollution concentrations within the region may become unhealthy for sensitive groups. Sensitive groups include children, people suffering from asthma, heart disease or other lung diseases and the elderly. The effects of air pollution can be minimized by avoiding strenuous activity or exercise outdoors. For more information on ground-level ozone and fine particles visit the web site Virginia DEQ air quality web site at www.deq.virginia.gov


Air Quality Alert issued June 4 at 4:40PM EDT by NWS Baltimore MD/Washington DC

Non-Weather Emergency Message. Not sent to IPAWS.

Effective: Thu June 4, 2026, 4:40 PM
Expires: Sat June 6, 2026, 12:00 AM

The Maryland Department of the Environment has issued a Code ORANGE Air Quality Alert Friday for the Maryland suburban DC region. A Code Orange Air Quality Alert means that air pollution concentrations within the region may become unhealthy for sensitive groups. Sensitive groups include children, people suffering from asthma, heart disease or other lung diseases and the elderly. The effects of air pollution can be minimized by avoiding strenuous activity or exercise outdoors. For more information on ground-level ozone and fine particles visit the web site mde.maryland.gov/programs/air/AirQualityMonitoring/Pages/index.aspx


Air Quality Alert issued June 4 at 4:40PM EDT by NWS Baltimore MD/Washington DC

Non-Weather Emergency Message. Not sent to IPAWS.

Effective: Thu June 4, 2026, 4:40 PM
Expires: Sat June 6, 2026, 12:00 AM

The Metropolitan Washington Council of Governments and District Department of Environment has issued a Code ORANGE Air Quality Alert Friday for the District of Columbia. A Code Orange Air Quality Alert means that air pollution concentrations within the region may become unhealthy for sensitive groups. Sensitive groups include children, people suffering from asthma, heart disease or other lung diseases and the elderly. The effects of air pollution can be minimized by avoiding strenuous activity or exercise outdoors. For more information on ground-level ozone and fine particles visit the web site https://www.mwcog.org/environment/air/forecast/


Friday, June 5, 2026

Weather Forecast

Sunny
92.7°F
58.5°F
75.9°F
50%
0 in
0%
0%
5.6 mph
8.6


Air Quality

AQI: 1 - Good
PM2.5: 7.15 μg/m3
PM10: 7.61 μg/m3
Carbon Monoxide: 153.79 μg/m3
Nitrogen Dioxide: 9.45 μg/m3
Sulphur Dioxide: 1.95 μg/m3
Ozone: 89.88 μg/m3

Astronomical

Sunrise: 5:44 AM
Sun Transit: 1:08 PM
Sunset: 8:34 PM
Daylight: 14 hrs 50 mins
Moonrise: 12:09 AM
Moon Transit: 5:05 AM
Moonset: 10:10 AM
Moon Phase: Waning Gibbous
Moon Illumination: 65.0%

Best Times for Fishing or Hunting

Major Periods

4:35 AM - 7:05 AM
6:41 PM - 9:11 PM

Minor Periods

9:40 AM - 11:10 AM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Saturday, June 6, 2026

Weather Forecast

Sunny
87.3°F
63.7°F
75°F
60%
0 in
1%
0%
11.2 mph
8.2


Air Quality

AQI: 1 - Good
PM2.5: 6.71 μg/m3
PM10: 7.68 μg/m3
Carbon Monoxide: 136.33 μg/m3
Nitrogen Dioxide: 5.25 μg/m3
Sulphur Dioxide: 1.37 μg/m3
Ozone: 86.54 μg/m3

Astronomical

Sunrise: 5:44 AM
Sun Transit: 1:08 PM
Sunset: 8:34 PM
Daylight: 14 hrs 51 mins
Moonrise: 12:37 AM
Moon Transit: 5:50 AM
Moonset: 11:13 AM
Moon Phase: Last Quarter
Moon Illumination: 53.9%

Best Times for Fishing or Hunting

Major Periods

5:20 AM - 7:50 AM
7:25 PM - 9:55 PM

Minor Periods

10:43 AM - 12:13 AM
12:07 AM - 1:37 AM

Action Rating: 3 out of 5

Sunday, June 7, 2026

Weather Forecast

Patchy rain nearby
86°F
63.5°F
74.1°F
72%
0.01 in
73%
0%
11.4 mph
9.1


Air Quality

AQI: 1 - Good
PM2.5: 4.25 μg/m3
PM10: 4.92 μg/m3
Carbon Monoxide: 132.17 μg/m3
Nitrogen Dioxide: 2.61 μg/m3
Sulphur Dioxide: 0.89 μg/m3
Ozone: 93.38 μg/m3

Astronomical

Sunrise: 5:44 AM
Sun Transit: 1:09 PM
Sunset: 8:35 PM
Daylight: 14 hrs 51 mins
Moonrise: 1:01 AM
Moon Transit: 6:34 AM
Moonset: 12:17 AM
Moon Phase: Last Quarter
Moon Illumination: 42.6%

Best Times for Fishing or Hunting

Major Periods

6:04 AM - 8:34 AM
8:08 PM - 10:38 PM

Minor Periods

11:47 AM - 1:17 PM
12:31 AM - 2:01 AM

Action Rating: 4 out of 5

Monday, June 8, 2026

Weather Forecast

Sunny
77.6°F
53.9°F
66.6°F
68%
0 in
2%
0%
8.3 mph
9.4


Air Quality

AQI: 1 - Good
PM2.5: 3.7 μg/m3
PM10: 4 μg/m3
Carbon Monoxide: 139.03 μg/m3
Nitrogen Dioxide: 3.46 μg/m3
Sulphur Dioxide: 1 μg/m3
Ozone: 90 μg/m3

Astronomical

Sunrise: 5:43 AM
Sun Transit: 1:09 PM
Sunset: 8:36 PM
Daylight: 14 hrs 52 mins
Moonrise: 1:24 AM
Moon Transit: 7:17 AM
Moonset: 1:21 PM
Moon Phase: Last Quarter
Moon Illumination: 31.6%

Best Times for Fishing or Hunting

Major Periods

6:47 AM - 9:17 AM
12:00 AM - 12:00 AM

Minor Periods

12:51 AM - 2:21 PM
12:54 AM - 2:24 AM

Action Rating: 2 out of 5

Tuesday, June 9, 2026

Weather Forecast

Sunny
79.2°F
54.1°F
66.4°F
70%
0 in
2%
0%
13 mph
8.3


Air Quality

AQI: 1 - Good
PM2.5: 3.93 μg/m3
PM10: 4.91 μg/m3
Carbon Monoxide: 158.89 μg/m3
Nitrogen Dioxide: 5.91 μg/m3
Sulphur Dioxide: 1.46 μg/m3
Ozone: 70.56 μg/m3

Astronomical

Sunrise: 5:43 AM
Sun Transit: 1:09 PM
Sunset: 8:36 PM
Daylight: 14 hrs 53 mins
Moonrise: 1:47 AM
Moon Transit: 6:27 AM
Moonset: 2:29 PM
Moon Phase: Last Quarter
Moon Illumination: 21.6%

Best Times for Fishing or Hunting

Major Periods

5:57 AM - 8:27 AM
5:57 AM - 8:27 AM

Minor Periods

1:59 PM - 3:29 PM
1:17 AM - 2:47 AM

Action Rating: 4 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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