Water Temperature of Upper Machedoc Creek in Dahlgren, VA
Current Water Temperature
Measurement Time: Wednesday, June 4, 2025, 10:48 PM EDT
Today's Tides
Low: June 4, 4:50 AM, 0.46 ft
High: June 4, 10:40 AM, 1.58 ft
Low: June 4, 5:09 PM, 0.32 ft
High: June 4, 11:24 PM, 1.73 ft
Temperature Locations
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Local Points of Interest
Potomac River; Naval Surface Warfare CenterSponsored Content
Station Name: Dahlgren
Data Source: NOAA Tides and Currents
Elevation Above Sea Level: 10 feet / 3 meters
Sensor Depth: 1.9 feet / 0.6 meters
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 (43.0 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

Humidity: 85%
Feels Like: 76.8°F
Wind: S 7.4 mph
Wind Gusts: 15.5 mph
Precipitation: 0 in
Cloud Cover: 0%
Visibility: 6 mi
UV Index: 0
Five Day Weather Forecast

Wed
H: 89°F
L: 64°F

Thu
H: 86°F
L: 66°F

Fri
H: 85°F
L: 68°F

Sat
H: 81°F
L: 68°F

Sun
H: 72°F
L: 66°F
Air Quality
Nitrogen Dioxide: 6.66 μg/m3
Sulphur Dioxide: 4.44 μg/m3
Ozone: 81 μg/m3
Astronomical
Sun Transit: 1:06 PM
Sunset: 8:28 PM
Daylight: 14 hrs 43 mins
Moon Transit: 8:31 PM
Moonset: 2:06 AM
Moon Phase: First Quarter
Moon Illumination: 59.8%
Best Times for Fishing or Hunting
Major Periods
9:28 AM - 11:58 AM8:01 PM - 10:31 PM
Minor Periods
1:58 PM - 3:28 PM1:36 AM - 3:06 AM
Action Rating: 3 out of 5
This is only a test for monitoring of vital dissemination systems.
Effective: Wed June 4, 2025, 8:21 PM
Expires: Wed June 4, 2025, 8:31 PM
Monitoring message only. Please disregard.
Monitoring message only. Please disregard.
Weather Forecast
Average Temperature: 77.6°F
Average Humidity: 58%
Wind: 8.5 mph
UV Index: 2.4
Air Quality
Nitrogen Dioxide: 5.22 μg/m3
Sulphur Dioxide: 5.96 μg/m3
Ozone: 117.2 μg/m3
Astronomical
Sun Transit: 1:06 PM
Sunset: 8:28 PM
Daylight: 14 hrs 43 mins
Moon Transit: 8:31 PM
Moonset: 2:06 AM
Moon Phase: First Quarter
Moon Illumination: 59.8%
Best Times for Fishing or Hunting
Major Periods
9:28 AM - 11:58 AM8:01 PM - 10:31 PM
Minor Periods
1:58 PM - 3:28 PM1:36 AM - 3:06 AM
Action Rating: 3 out of 5
Weather Forecast
Average Temperature: 77.4°F
Average Humidity: 65%
Wind: 10.1 mph
UV Index: 2.1
Air Quality
Nitrogen Dioxide: 4.68 μg/m3
Sulphur Dioxide: 4.53 μg/m3
Ozone: 98.92 μg/m3
Astronomical
Sun Transit: 1:06 PM
Sunset: 8:29 PM
Daylight: 14 hrs 44 mins
Moon Transit: 9:10 PM
Moonset: 2:26 AM
Moon Phase: First Quarter
Moon Illumination: 70.6%
Best Times for Fishing or Hunting
Major Periods
10:07 AM - 12:37 AM8:40 PM - 11:10 PM
Minor Periods
2:56 PM - 4:26 PM1:56 AM - 3:26 AM
Action Rating: 3 out of 5
Weather Forecast
Average Temperature: 76.6°F
Average Humidity: 75%
Wind: 12.1 mph
UV Index: 1.3
Air Quality
Nitrogen Dioxide: 4.75 μg/m3
Sulphur Dioxide: 2.95 μg/m3
Ozone: 83.92 μg/m3
Astronomical
Sun Transit: 1:06 PM
Sunset: 8:30 PM
Daylight: 14 hrs 45 mins
Moon Transit: 9:51 PM
Moonset: 2:47 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 80.3%
Best Times for Fishing or Hunting
Major Periods
10:47 AM - 1:17 PM9:21 PM - 11:51 PM
Minor Periods
3:55 PM - 5:25 PM2:17 AM - 3:47 AM
Action Rating: 2 out of 5
Weather Forecast
Average Temperature: 74.1°F
Average Humidity: 82%
Wind: 9.2 mph
UV Index: 2
Air Quality
Nitrogen Dioxide: 6.33 μg/m3
Sulphur Dioxide: 3.91 μg/m3
Ozone: 75.8 μg/m3
Astronomical
Sun Transit: 1:07 PM
Sunset: 8:30 PM
Daylight: 14 hrs 46 mins
Moon Transit: 10:34 PM
Moonset: 3:10 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 88.5%
Best Times for Fishing or Hunting
Major Periods
11:30 AM - 2:00 PM12:00 AM - 12:00 AM
Minor Periods
4:55 PM - 6:25 PM2:40 AM - 4:10 AM
Action Rating: 2 out of 5
Weather Forecast
Average Temperature: 68.6°F
Average Humidity: 92%
Wind: 10.3 mph
UV Index: 0.8
Air Quality
Nitrogen Dioxide: 14.74 μg/m3
Sulphur Dioxide: 6.4 μg/m3
Ozone: 68.69 μg/m3
Astronomical
Sun Transit: 1:07 PM
Sunset: 8:31 PM
Daylight: 14 hrs 46 mins
Moon Transit: 11:19 PM
Moonset: 3:36 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 94.7%
Best Times for Fishing or Hunting
Major Periods
12:13 AM - 2:43 PM12:00 AM - 12:00 AM
Minor Periods
5:57 PM - 7:27 PM3:06 AM - 4:36 AM
Action Rating: 2 out of 5