Water Temperature of Upper Machedoc Creek in Dahlgren, VA

Current Water Temperature

69.3°F

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 Center

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

71.1°F
Clear
Clear
71.1°F
76.5°F
68%
SW 8.1 mph
16.9 mph
74.5°F
49.6°F
0 in
0%
8 mi
1014 mbar
0

Five Day Weather Forecast

Sunny
Thu
H: 93°F
L: 67°F
Partly Cloudy
Fri
H: 79°F
L: 64°F
Sunny
Sat
H: 83°F
L: 61°F
Moderate rain
Sun
H: 63°F
L: 43°F
Sunny
Mon
H: 54°F
L: 40°F

Air Quality

PM2.5: 6.45 μg/m3
PM10: 6.55 μg/m3
Carbon Monoxide: 165.85 μg/m3
Nitrogen Dioxide: 4.05 μg/m3
Sulphur Dioxide: 3.85 μg/m3
Ozone: 94 μg/m3

Astronomical

Sunrise: 6:31 AM
Sun Transit: 1:07 PM
Sunset: 7:45 PM
Daylight: 13 hrs 14 mins
Moonrise: 5:46 AM
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 AM
11:51 AM - 2:21 PM

Minor Periods

6:39 PM - 8:09 PM
5:16 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.


Thursday, April 16, 2026

Weather Forecast

Sunny
93.2°F
67.1°F
80.8°F
40%
0 in
0%
0%
9.6 mph
2


Air Quality

AQI: 1 - Good
PM2.5: 6.89 μg/m3
PM10: 7.3 μg/m3
Carbon Monoxide: 164.17 μg/m3
Nitrogen Dioxide: 3.63 μg/m3
Sulphur Dioxide: 3.26 μg/m3
Ozone: 110.68 μg/m3

Astronomical

Sunrise: 6:31 AM
Sun Transit: 1:07 PM
Sunset: 7:45 PM
Daylight: 13 hrs 14 mins
Moonrise: 5:46 AM
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 AM
11:51 AM - 2:21 PM

Minor Periods

6:39 PM - 8:09 PM
5:16 AM - 6:46 AM

Action Rating: 5 out of 5

Friday, April 17, 2026

Weather Forecast

Partly Cloudy
79°F
64.4°F
75.4°F
52%
0 in
0%
0%
10.3 mph
1.6


Air Quality

AQI: 1 - Good
PM2.5: 7.47 μg/m3
PM10: 8.14 μg/m3
Carbon Monoxide: 158.09 μg/m3
Nitrogen Dioxide: 5.35 μg/m3
Sulphur Dioxide: 4.16 μg/m3
Ozone: 103 μg/m3

Astronomical

Sunrise: 6:30 AM
Sun Transit: 1:07 PM
Sunset: 7:46 PM
Daylight: 13 hrs 17 mins
Moonrise: 6:15 AM
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 AM
12:43 AM - 3:13 PM

Minor Periods

7:56 PM - 9:26 PM
5:45 AM - 7:15 AM

Action Rating: 4 out of 5

Saturday, April 18, 2026

Weather Forecast

Sunny
82.8°F
61.2°F
70.7°F
62%
0 in
0%
0%
12.3 mph
2


Air Quality

AQI: 1 - Good
PM2.5: 9.61 μg/m3
PM10: 10.66 μg/m3
Carbon Monoxide: 172.36 μg/m3
Nitrogen Dioxide: 8.62 μg/m3
Sulphur Dioxide: 3.63 μg/m3
Ozone: 102.68 μg/m3

Astronomical

Sunrise: 6:28 AM
Sun Transit: 1:07 PM
Sunset: 7:47 PM
Daylight: 13 hrs 19 mins
Moonrise: 6:48 AM
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 AM
1:39 PM - 4:09 PM

Minor Periods

9:14 PM - 10:44 PM
6:18 AM - 7:48 AM

Action Rating: 4 out of 5

Sunday, April 19, 2026

Weather Forecast

Moderate rain
63.4°F
43.4°F
53.7°F
78%
0.21 in
73%
0%
21.3 mph
0.5


Air Quality

AQI: 1 - Good
PM2.5: 6.95 μg/m3
PM10: 7.44 μg/m3
Carbon Monoxide: 176.43 μg/m3
Nitrogen Dioxide: 4.92 μg/m3
Sulphur Dioxide: 2.9 μg/m3
Ozone: 99.92 μg/m3

Astronomical

Sunrise: 6:27 AM
Sun Transit: 1:07 PM
Sunset: 7:48 PM
Daylight: 13 hrs 21 mins
Moonrise: 7:28 AM
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 AM
2:40 PM - 5:10 PM

Minor Periods

12:00 AM - 12:00 AM
6:58 AM - 8:28 AM

Action Rating: 3 out of 5

Monday, April 20, 2026

Weather Forecast

Sunny
54.3°F
40.3°F
45.7°F
48%
0 in
0%
0%
17.2 mph
0.1


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 6:26 AM
Sun Transit: 1:07 PM
Sunset: 7:49 PM
Daylight: 13 hrs 24 mins
Moonrise: 8:19 AM
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 AM
3:45 PM - 6:15 PM

Minor Periods

7:49 AM - 9:19 AM
12:00 AM - 12:00 AM

Action Rating: 2 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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