Water Temperature of Upper Machedoc Creek in Dahlgren, VA

Current Water Temperature

72.5°F

Measurement Time: Tuesday, May 26, 2026, 3:48 PM EDT

Today's Tides

 High: May 26, 12:02 AM, 1.9 ft
Low: May 26, 6:31 AM, 0.3 ft
 High: May 26, 12:17 PM, 1.6 ft
Low: May 26, 6:38 PM, 0.2 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

73.9°F
Mist
Mist
77.9°F
75.9°F
82%
SSE 2.7 mph
4.1 mph
71.8°F
69.3°F
0 in
100%
4 mi
1020 mbar
1.4

Five Day Weather Forecast

Patchy rain nearby
Tue
H: 73°F
L: 64°F
Moderate rain
Wed
H: 77°F
L: 67°F
Patchy rain nearby
Thu
H: 79°F
L: 63°F
Sunny
Fri
H: 76°F
L: 55°F
Sunny
Sat
H: 71°F
L: 59°F

Air Quality

AQI: 1 - Good
PM2.5: 3.05 μg/m3
PM10: 3.15 μg/m3
Carbon Monoxide: 147.85 μg/m3
Nitrogen Dioxide: 5.25 μg/m3
Sulphur Dioxide: 1.65 μg/m3
Ozone: 68 μg/m3

Astronomical

Sunrise: 5:49 AM
Sun Transit: 1:05 PM
Sunset: 8:22 PM
Daylight: 14 hrs 33 mins
Moonrise: 4:12 PM
Moon Transit: 9:51 PM
Moonset: 3:00 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 76.9%

Best Times for Fishing or Hunting

Major Periods

10:47 AM - 1:17 PM
9:21 PM - 11:51 PM

Minor Periods

3:42 PM - 5:12 PM
2:30 AM - 4:00 AM

Action Rating: 2 out of 5

Tuesday, May 26, 2026

Weather Forecast

Patchy rain nearby
72.5°F
64.2°F
68.2°F
94%
0.09 in
89%
0%
4.3 mph
3.3


Air Quality

AQI: 1 - Good
PM2.5: 2.44 μg/m3
PM10: 2.48 μg/m3
Carbon Monoxide: 154.73 μg/m3
Nitrogen Dioxide: 4.57 μg/m3
Sulphur Dioxide: 1.49 μg/m3
Ozone: 57.8 μg/m3

Astronomical

Sunrise: 5:49 AM
Sun Transit: 1:05 PM
Sunset: 8:22 PM
Daylight: 14 hrs 33 mins
Moonrise: 4:12 PM
Moon Transit: 9:51 PM
Moonset: 3:00 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 76.9%

Best Times for Fishing or Hunting

Major Periods

10:47 AM - 1:17 PM
9:21 PM - 11:51 PM

Minor Periods

3:42 PM - 5:12 PM
2:30 AM - 4:00 AM

Action Rating: 2 out of 5

Wednesday, May 27, 2026

Weather Forecast

Moderate rain
77.4°F
67.1°F
70.1°F
92%
0.55 in
89%
0%
6.9 mph
7.3


Air Quality

AQI: 1 - Good
PM2.5: 3.02 μg/m3
PM10: 3.07 μg/m3
Carbon Monoxide: 138.93 μg/m3
Nitrogen Dioxide: 3.6 μg/m3
Sulphur Dioxide: 1.31 μg/m3
Ozone: 57.32 μg/m3

Astronomical

Sunrise: 5:48 AM
Sun Transit: 1:05 PM
Sunset: 8:23 PM
Daylight: 14 hrs 34 mins
Moonrise: 5:13 PM
Moon Transit: 10:34 PM
Moonset: 3:23 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 85.7%

Best Times for Fishing or Hunting

Major Periods

11:30 AM - 2:00 PM
12:00 AM - 12:00 AM

Minor Periods

4:43 PM - 6:13 PM
2:53 AM - 4:23 AM

Action Rating: 2 out of 5

Thursday, May 28, 2026

Weather Forecast

Patchy rain nearby
78.9°F
63.2°F
69.5°F
75%
0.09 in
85%
0%
10.1 mph
8.8


Air Quality

AQI: 1 - Good
PM2.5: 5.09 μg/m3
PM10: 5.26 μg/m3
Carbon Monoxide: 146.65 μg/m3
Nitrogen Dioxide: 4.21 μg/m3
Sulphur Dioxide: 1.83 μg/m3
Ozone: 68.52 μg/m3

Astronomical

Sunrise: 5:48 AM
Sun Transit: 1:05 PM
Sunset: 8:24 PM
Daylight: 14 hrs 36 mins
Moonrise: 6:15 PM
Moon Transit: 11:18 PM
Moonset: 3:48 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 92.7%

Best Times for Fishing or Hunting

Major Periods

12:13 AM - 2:43 PM
12:00 AM - 12:00 AM

Minor Periods

5:45 PM - 7:15 PM
3:18 AM - 4:48 AM

Action Rating: 2 out of 5

Friday, May 29, 2026

Weather Forecast

Sunny
76°F
55.1°F
66.1°F
65%
0 in
0%
0%
9.2 mph
8.4


Air Quality

AQI: 1 - Good
PM2.5: 6.19 μg/m3
PM10: 6.47 μg/m3
Carbon Monoxide: 137.93 μg/m3
Nitrogen Dioxide: 8.34 μg/m3
Sulphur Dioxide: 2.08 μg/m3
Ozone: 65.28 μg/m3

Astronomical

Sunrise: 5:47 AM
Sun Transit: 1:05 PM
Sunset: 8:24 PM
Daylight: 14 hrs 37 mins
Moonrise: 7:17 PM
Moon Transit: 12:00 AM
Moonset: 4:16 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 97.4%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
12:59 AM - 3:29 PM

Minor Periods

6:47 PM - 8:17 PM
3:46 AM - 5:16 AM

Action Rating: 3 out of 5

Saturday, May 30, 2026

Weather Forecast

Sunny
70.7°F
58.7°F
64°F
57%
0 in
0%
0%
13.9 mph
0.7


Air Quality

AQI: 1 - Good
PM2.5: 5.48 μg/m3
PM10: 5.83 μg/m3
Carbon Monoxide: 165.14 μg/m3
Nitrogen Dioxide: 6.94 μg/m3
Sulphur Dioxide: 2.06 μg/m3
Ozone: 64.31 μg/m3

Astronomical

Sunrise: 5:47 AM
Sun Transit: 1:05 PM
Sunset: 8:25 PM
Daylight: 14 hrs 38 mins
Moonrise: 8:18 PM
Moon Transit: 12:05 AM
Moonset: 4:50 AM
Moon Phase: Full
Moon Illumination: 99.8%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
1:47 PM - 4:17 PM

Minor Periods

7:48 PM - 9:18 PM
4:20 AM - 5:50 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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