Water Temperature of Upper Machedoc Creek in Dahlgren, VA
Current Water Temperature
Measurement Time: Thursday, April 16, 2026, 12:30 AM EDT
Today's Tides
High: April 16, 2:25 AM, 1.9 ft
Low: April 16, 9:07 AM, 0.1 ft
High: April 16, 2:46 PM, 1.7 ft
Low: April 16, 9:05 PM, -0.1 ft
Temperature Locations
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Local Points of Interest
Potomac River; Naval Surface Warfare CenterStation 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

Five Day Weather Forecast

Thu
H: 93°F
L: 67°F

Fri
H: 79°F
L: 64°F

Sat
H: 83°F
L: 61°F

Sun
H: 63°F
L: 43°F

Mon
H: 54°F
L: 40°F
Air Quality
Nitrogen Dioxide: 4.05 μg/m3
Sulphur Dioxide: 3.85 μg/m3
Ozone: 94 μg/m3
Astronomical
Sun Transit: 1:07 PM
Sunset: 7:45 PM
Daylight: 13 hrs 14 mins
Moon Transit: 12:21 AM
Moonset: 7:09 PM
Moon Phase: New
Moon Illumination: 0.8%
Best Times for Fishing or Hunting
Major Periods
12:00 AM - 12:00 AM11:51 AM - 2:21 PM
Minor Periods
6:39 PM - 8:09 PM5:16 AM - 6:46 AM
Action Rating: 5 out of 5
Special Weather Statement issued April 15 at 8:12PM EDT by NWS Wakefield VA
Effective: Wed April 15, 2026, 8:12 PM
Expires: Thu April 16, 2026, 8:00 PM
The combination of low relative humidity values in the 25 to 30 percent range, dry fuels, and gusty southwest winds will result in an increased risk for the rapid spread of wildfires across much of central and eastern Virginia. In addition, this statement also includes Northampton County, North Carolina. Residents are urged to exercise caution handling any potential ignition source, including machinery, cigarettes, and matches. Be sure to properly discard all smoking materials. Any dry grasses and tree litter that ignite will have the potential to spread quickly. Virginia residents are reminded that open burning is prohibited before 4 PM EDT each day through April 30th. A statewide burn ban issued by the North Carolina Forest Service is currently in place. Open burning of any kind is illegal.
Weather Forecast
Air Quality
Nitrogen Dioxide: 3.63 μg/m3
Sulphur Dioxide: 3.26 μg/m3
Ozone: 110.68 μg/m3
Astronomical
Sun Transit: 1:07 PM
Sunset: 7:45 PM
Daylight: 13 hrs 14 mins
Moon Transit: 12:21 AM
Moonset: 7:09 PM
Moon Phase: New
Moon Illumination: 0.8%
Best Times for Fishing or Hunting
Major Periods
12:00 AM - 12:00 AM11:51 AM - 2:21 PM
Minor Periods
6:39 PM - 8:09 PM5:16 AM - 6:46 AM
Action Rating: 5 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 5.35 μg/m3
Sulphur Dioxide: 4.16 μg/m3
Ozone: 103 μg/m3
Astronomical
Sun Transit: 1:07 PM
Sunset: 7:46 PM
Daylight: 13 hrs 17 mins
Moon Transit: 1:13 PM
Moonset: 8:26 PM
Moon Phase: New
Moon Illumination: 4.1%
Best Times for Fishing or Hunting
Major Periods
2:04 AM - 4:34 AM12:43 AM - 3:13 PM
Minor Periods
7:56 PM - 9:26 PM5:45 AM - 7:15 AM
Action Rating: 4 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 8.62 μg/m3
Sulphur Dioxide: 3.63 μg/m3
Ozone: 102.68 μg/m3
Astronomical
Sun Transit: 1:07 PM
Sunset: 7:47 PM
Daylight: 13 hrs 19 mins
Moon Transit: 2:09 PM
Moonset: 9:44 PM
Moon Phase: New
Moon Illumination: 1.2%
Best Times for Fishing or Hunting
Major Periods
2:58 AM - 5:28 AM1:39 PM - 4:09 PM
Minor Periods
9:14 PM - 10:44 PM6:18 AM - 7:48 AM
Action Rating: 4 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 4.92 μg/m3
Sulphur Dioxide: 2.9 μg/m3
Ozone: 99.92 μg/m3
Astronomical
Sun Transit: 1:07 PM
Sunset: 7:48 PM
Daylight: 13 hrs 21 mins
Moon Transit: 3:10 PM
Moonset: 11:02 PM
Moon Phase: Waxing Crescent
Moon Illumination: 4.9%
Best Times for Fishing or Hunting
Major Periods
3:57 AM - 6:27 AM2:40 PM - 5:10 PM
Minor Periods
12:00 AM - 12:00 AM6:58 AM - 8:28 AM
Action Rating: 3 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3
Astronomical
Sun Transit: 1:07 PM
Sunset: 7:49 PM
Daylight: 13 hrs 24 mins
Moon Transit: 4:15 PM
Moonset: 12:02 AM
Moon Phase: Waxing Crescent
Moon Illumination: 10.8%
Best Times for Fishing or Hunting
Major Periods
5:00 AM - 7:30 AM3:45 PM - 6:15 PM
Minor Periods
7:49 AM - 9:19 AM12:00 AM - 12:00 AM
Action Rating: 2 out of 5
