Water Temperature of Upper Machedoc Creek in Dahlgren, VA

Current Water Temperature

65.8°F

Measurement Time: Wednesday, May 6, 2026, 8:30 AM EDT

Today's Tides

Low: May 6, 12:13 AM, 0.3 ft
 High: May 6, 6:24 AM, 1.8 ft
Low: May 6, 1:07 PM, 0.4 ft
 High: May 6, 6:54 PM, 1.4 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

65.8°F
Partly cloudy
Partly cloudy
65.8°F
67.2°F
64%
SSW 15.2 mph
22.5 mph
67.1°F
53.1°F
0 in
75%
9 mi
1010 mbar
0.2

Five Day Weather Forecast

Patchy rain nearby
Wed
H: 83°F
L: 62°F
Patchy rain nearby
Thu
H: 57°F
L: 50°F
Sunny
Fri
H: 67°F
L: 43°F
Partly Cloudy
Sat
H: 73°F
L: 53°F
Patchy rain nearby
Sun
H: 82°F
L: 52°F

Air Quality

AQI: 2 - Moderate
PM2.5: 4.65 μg/m3
PM10: 5.65 μg/m3
Carbon Monoxide: 142.85 μg/m3
Nitrogen Dioxide: 2.65 μg/m3
Sulphur Dioxide: 2.95 μg/m3
Ozone: 112 μg/m3

Astronomical

Sunrise: 6:06 AM
Sun Transit: 1:04 PM
Sunset: 8:04 PM
Daylight: 13 hrs 59 mins
Moonrise: 12:12 AM
Moon Transit: 4:41 AM
Moonset: 9:13 AM
Moon Phase: Waning Gibbous
Moon Illumination: 70.0%

Best Times for Fishing or Hunting

Major Periods

4:11 AM - 6:41 AM
6:24 PM - 8:54 PM

Minor Periods

8:43 AM - 10:13 AM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Wednesday, May 6, 2026

Weather Forecast

Patchy rain nearby
82.9°F
61.9°F
70.1°F
61%
0.03 in
81%
0%
16.1 mph
2.8


Air Quality

AQI: 1 - Good
PM2.5: 5.04 μg/m3
PM10: 5.63 μg/m3
Carbon Monoxide: 146.53 μg/m3
Nitrogen Dioxide: 2.96 μg/m3
Sulphur Dioxide: 2.75 μg/m3
Ozone: 111.92 μg/m3

Astronomical

Sunrise: 6:06 AM
Sun Transit: 1:04 PM
Sunset: 8:04 PM
Daylight: 13 hrs 59 mins
Moonrise: 12:12 AM
Moon Transit: 4:41 AM
Moonset: 9:13 AM
Moon Phase: Waning Gibbous
Moon Illumination: 70.0%

Best Times for Fishing or Hunting

Major Periods

4:11 AM - 6:41 AM
6:24 PM - 8:54 PM

Minor Periods

8:43 AM - 10:13 AM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Thursday, May 7, 2026

Weather Forecast

Patchy rain nearby
57.1°F
50.2°F
54.3°F
80%
0.08 in
89%
0%
11.2 mph
1.8


Air Quality

AQI: 1 - Good
PM2.5: 9.04 μg/m3
PM10: 9.77 μg/m3
Carbon Monoxide: 174.01 μg/m3
Nitrogen Dioxide: 8.07 μg/m3
Sulphur Dioxide: 4.86 μg/m3
Ozone: 74.44 μg/m3

Astronomical

Sunrise: 6:05 AM
Sun Transit: 1:04 PM
Sunset: 8:05 PM
Daylight: 14 hrs 1 mins
Moonrise: 12:55 AM
Moon Transit: 5:32 AM
Moonset: 10:13 AM
Moon Phase: Waning Gibbous
Moon Illumination: 59.1%

Best Times for Fishing or Hunting

Major Periods

5:02 AM - 7:32 AM
7:13 PM - 9:43 PM

Minor Periods

9:43 AM - 11:13 AM
12:25 AM - 1:55 AM

Action Rating: 2 out of 5

Friday, May 8, 2026

Weather Forecast

Sunny
66.5°F
42.7°F
55.2°F
61%
0 in
0%
0%
13.4 mph
0.8


Air Quality

AQI: 1 - Good
PM2.5: 7.25 μg/m3
PM10: 7.53 μg/m3
Carbon Monoxide: 160.45 μg/m3
Nitrogen Dioxide: 6.24 μg/m3
Sulphur Dioxide: 5.3 μg/m3
Ozone: 80.36 μg/m3

Astronomical

Sunrise: 6:04 AM
Sun Transit: 1:04 PM
Sunset: 8:06 PM
Daylight: 14 hrs 3 mins
Moonrise: 1:32 AM
Moon Transit: 6:20 AM
Moonset: 11:15 AM
Moon Phase: Last Quarter
Moon Illumination: 47.9%

Best Times for Fishing or Hunting

Major Periods

5:50 AM - 8:20 AM
8:01 PM - 10:31 PM

Minor Periods

10:45 AM - 12:15 AM
1:02 AM - 2:32 AM

Action Rating: 4 out of 5

Saturday, May 9, 2026

Weather Forecast

Partly Cloudy
73.4°F
53°F
61.7°F
63%
0 in
0%
0%
16.6 mph
5


Air Quality

AQI: 1 - Good
PM2.5: 7.71 μg/m3
PM10: 7.98 μg/m3
Carbon Monoxide: 163.46 μg/m3
Nitrogen Dioxide: 4.03 μg/m3
Sulphur Dioxide: 3.74 μg/m3
Ozone: 93.48 μg/m3

Astronomical

Sunrise: 6:03 AM
Sun Transit: 1:04 PM
Sunset: 8:07 PM
Daylight: 14 hrs 5 mins
Moonrise: 2:03 AM
Moon Transit: 7:07 AM
Moonset: 12:19 AM
Moon Phase: Last Quarter
Moon Illumination: 36.7%

Best Times for Fishing or Hunting

Major Periods

6:37 AM - 9:07 AM
8:47 PM - 11:17 PM

Minor Periods

11:49 AM - 1:19 PM
1:33 AM - 3:03 AM

Action Rating: 2 out of 5

Sunday, May 10, 2026

Weather Forecast

Patchy rain nearby
81.5°F
52.3°F
62.6°F
70%
0.05 in
60%
0%
13 mph
4


Air Quality

AQI: 2 - Moderate
PM2.5: 15.54 μg/m3
PM10: 16.03 μg/m3
Carbon Monoxide: 235.21 μg/m3
Nitrogen Dioxide: 9.23 μg/m3
Sulphur Dioxide: 2.96 μg/m3
Ozone: 84.69 μg/m3

Astronomical

Sunrise: 6:02 AM
Sun Transit: 1:04 PM
Sunset: 8:08 PM
Daylight: 14 hrs 7 mins
Moonrise: 2:31 AM
Moon Transit: 7:52 AM
Moonset: 1:23 PM
Moon Phase: Last Quarter
Moon Illumination: 26.2%

Best Times for Fishing or Hunting

Major Periods

7:22 AM - 9:52 AM
12:00 AM - 12:00 AM

Minor Periods

12:53 AM - 2:23 PM
2:01 AM - 3:31 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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