Water Temperature of Upper Machedoc Creek in Dahlgren, VA

Current Water Temperature

64.4°F

Measurement Time: Thursday, November 5, 2026, 4:00 AM EST

Temperature Locations

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Local Points of Interest

Potomac River; Naval Surface Warfare Center

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Upper Machedoc Creek

Station Name: Dahlgren
Data Source: NOAA Tides and Currents

Elevation Above Sea Level: 10 feet

Sensor Depth: 2 feet

Nearest Address:
6388–6478 Sampson Rd
Dahlgren, VA 22448
King George County

GPS Coordinates: 38.320000, -77.036697

Nearby Water Temperatures

Patuxent River, Solomons, MD (31.8 mi)
Chesapeake Bay, Cambridge, MD (37.4 mi)
Washington Channel, Washington, DC (38.2 mi)
Coan River, Lewisetta, VA (38.3 mi)
Difficult Run, Oakton, VA (42.2 mi)
Potomac River, Scotland, MD (43 mi)
Northeast Branch Anacostia River, Riverdale Park, MD (44.6 mi)
Dead Run, McLean, VA (44.8 mi)
Sligo Creek, Takoma Park, MD (46.1 mi)
Difficult Run, McLean, VA (46.7 mi)
Paint Branch, Calverton, MD (49.4 mi)
Fishing Bay, Crocheron, MD (54.6 mi)
Chesapeake Bay, Annapolis, MD (54.6 mi)
Severn River, Annapolis, MD (54.8 mi)
Choptank River, Cambridge, MD (55.6 mi)

Weather for Dahlgren, Virginia

Current Weather

65.1°F
Overcast
Conditions: Overcast
Humidity: 93%
Feels Like: 64°F
Wind: S 10.1 mph
Wind Gusts: 19.7 mph
Pressure: 29.95 in
Precipitation: 0 in
Cloud Cover: 95%
Visibility: 6 mi
UV Index: 0

Weather Forecast

Patchy rain nearby
Thu
H: 75°F
L: 64°F
Light rain shower
Fri
H: 68°F
L: 59°F
Sunny
Sat
H: 59°F
L: 46°F

Air Quality

AQI: 1 - Good
PM2.5: 4.5 μg/m3
PM10: 6 μg/m3
Carbon Monoxide: 117 μg/m3
Nitrogen Dioxide: 2 μg/m3
Sulphur Dioxide: 0.8 μg/m3
Ozone: 67 μg/m3

Astronomical

Sunrise: 6:39 AM
Sun Transit: 11:51 AM
Sunset: 5:04 PM
Daylight: 10 hrs 25 mins
Moonrise: 2:56 AM
Moon Transit: 9:03 AM
Moonset: 3:01 PM
Moon Phase: Waning Crescent
Moon Illumination: 10.6%

Best Times for Fishing or Hunting

Major Periods

8:33 AM - 11:03 AM
12:00 AM - 12:00 AM

Minor Periods

2:31 PM - 4:01 PM
2:26 AM - 3:56 AM

Action Rating: 2 out of 5

Small Craft Advisory issued November 4 at 10:31PM EST until November 5 at 7:00PM EST by NWS Baltimore MD/Washington DC

Effective: Wed November 4, 2026, 10:31 PM
Expires: Thu November 5, 2026, 6:45 AM

* WHAT...South winds 10 to 15 kt with gusts up to 20 kt. * WHERE...Tidal Potomac River from Indian Head MD to Smith Point VA, Chesapeake Bay from Drum Point MD to Smith Point VA, Patapsco River including Baltimore Harbor, Patuxent River to Broomes Island MD, and Tangier Sound and the inland waters surrounding Bloodsworth Island. * WHEN...Until 7 PM EST Thursday. * IMPACTS...Conditions will be hazardous to small craft.
Thursday, November 5, 2026

Weather Forecast

Conditions: Patchy rain nearby
Average Temperature: 68.3°F
Average Humidity: 87%
Chance of Rain: 85%
Wind: 12.1 mph
UV Index: 2.5

Astronomical

Sunrise: 6:39 AM
Sun Transit: 11:51 AM
Sunset: 5:04 PM
Daylight: 10 hrs 25 mins
Moonrise: 2:56 AM
Moon Transit: 9:03 AM
Moonset: 3:01 PM
Moon Phase: Waning Crescent
Moon Illumination: 10.6%

Best Times for Fishing or Hunting

Major Periods

8:33 AM - 11:03 AM
12:00 AM - 12:00 AM

Minor Periods

2:31 PM - 4:01 PM
2:26 AM - 3:56 AM

Action Rating: 2 out of 5

Friday, November 6, 2026

Weather Forecast

Conditions: Light rain shower
Average Temperature: 63.1°F
Average Humidity: 92%
Chance of Rain: 88%
Wind: 11.6 mph
UV Index: 0.3

Astronomical

Sunrise: 6:40 AM
Sun Transit: 11:51 AM
Sunset: 5:03 PM
Daylight: 10 hrs 23 mins
Moonrise: 4:00 AM
Moon Transit: 9:47 AM
Moonset: 3:25 PM
Moon Phase: Waning Crescent
Moon Illumination: 4.7%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
9:17 AM - 11:47 AM

Minor Periods

2:55 PM - 4:25 PM
3:30 AM - 5:00 AM

Action Rating: 2 out of 5

Saturday, November 7, 2026

Weather Forecast

Conditions: Sunny
Average Temperature: 54.3°F
Average Humidity: 64%
Chance of Rain: 6%
Wind: 15 mph
UV Index: 3.1

Astronomical

Sunrise: 6:41 AM
Sun Transit: 11:51 AM
Sunset: 5:02 PM
Daylight: 10 hrs 21 mins
Moonrise: 5:04 AM
Moon Transit: 10:31 AM
Moonset: 3:51 PM
Moon Phase: Waning Crescent
Moon Illumination: 1.1%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
10:01 AM - 12:31 AM

Minor Periods

3:21 PM - 4:51 PM
4:34 AM - 6:04 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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