Water Temperature of Upper Machedoc Creek in Dahlgren, VA

Current Water Temperature

49.3°F

Measurement Time: Wednesday, March 12, 2025, 12:18 AM EDT

Today's Tides

High: March 12, 2:34 AM, 1.53 ft
 Low: March 12, 8:59 AM, -0.09 ft
High: March 12, 2:56 PM, 1.52 ft
 Low: March 12, 9:27 PM, -0.07 ft

Temperature Locations

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Local Points of Interest

Potomac River; Naval Surface Warfare Center

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Upper Machedoc Creek

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

56.5°F
Clear
Conditions: Clear
Humidity: 39%
Feels Like: 55.6°F
Wind: WSW 5.4 mph
Wind Gusts: 11.3 mph
Pressure: 29.78 in
Precipitation: 0 in
Cloud Cover: 0%
Visibility: 9 mi
UV Index: 0

Five Day Weather Forecast

Sunny
Wed
H: 69°F
L: 47°F
Mist
Thu
H: 47°F
L: 40°F
Overcast
Fri
H: 46°F
L: 41°F
Fog
Sat
H: 69°F
L: 44°F
Patchy rain nearby
Sun
H: 69°F
L: 57°F

Air Quality

PM2.5: 20.17 μg/m3
PM10: 20.72 μg/m3
Carbon Monoxide: 445.85 μg/m3
Nitrogen Dioxide: 16.65 μg/m3
Sulphur Dioxide: 12.21 μg/m3
Ozone: 65 μg/m3

Astronomical

Sunrise: 7:23 AM
Sun Transit: 12:00 AM
Sunset: 7:13 PM
Daylight: 11 hrs 49 mins
Moonrise: 5:50 PM
Moon Transit: 12:00 AM
Moonset: 6:46 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 97.3%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
1:30 PM - 4:00 PM

Minor Periods

5:20 PM - 6:50 PM
6:16 AM - 7:46 AM

Action Rating: 4 out of 5

This is only a test for monitoring of vital dissemination systems.

Effective: Tue March 11, 2025, 8:29 PM
Expires: Tue March 11, 2025, 8:39 PM

Monitoring message only. Please disregard.

Monitoring message only. Please disregard.
Wednesday, March 12, 2025

Weather Forecast

Conditions: Sunny
Average Temperature: 57.4°F
Average Humidity: 60%
Chance of Rain: 0%
Wind: 13 mph
UV Index: 1.1

Air Quality

AQI: 1 - Good
PM2.5: 14.06 μg/m3
PM10: 14.86 μg/m3
Carbon Monoxide: 397.75 μg/m3
Nitrogen Dioxide: 13.16 μg/m3
Sulphur Dioxide: 10.4 μg/m3
Ozone: 79.08 μg/m3

Astronomical

Sunrise: 7:23 AM
Sun Transit: 12:00 AM
Sunset: 7:13 PM
Daylight: 11 hrs 49 mins
Moonrise: 5:50 PM
Moon Transit: 12:00 AM
Moonset: 6:46 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 97.3%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
1:30 PM - 4:00 PM

Minor Periods

5:20 PM - 6:50 PM
6:16 AM - 7:46 AM

Action Rating: 4 out of 5

Thursday, March 13, 2025

Weather Forecast

Conditions: Mist
Average Temperature: 43.6°F
Average Humidity: 93%
Chance of Rain: 0%
Wind: 12.3 mph
UV Index: 0.9

Air Quality

AQI: 2 - Moderate
PM2.5: 18.01 μg/m3
PM10: 21.53 μg/m3
Carbon Monoxide: 390.35 μg/m3
Nitrogen Dioxide: 8.23 μg/m3
Sulphur Dioxide: 5.65 μg/m3
Ozone: 90.72 μg/m3

Astronomical

Sunrise: 7:22 AM
Sun Transit: 12:00 AM
Sunset: 7:13 PM
Daylight: 11 hrs 52 mins
Moonrise: 6:51 PM
Moon Transit: 12:34 AM
Moonset: 7:08 AM
Moon Phase: Full
Moon Illumination: 99.7%

Best Times for Fishing or Hunting

Major Periods

12:04 AM - 2:34 AM
2:11 PM - 4:41 PM

Minor Periods

6:21 PM - 7:51 PM
6:38 AM - 8:08 AM

Action Rating: 3 out of 5

Friday, March 14, 2025

Weather Forecast

Conditions: Overcast
Average Temperature: 43.4°F
Average Humidity: 89%
Chance of Rain: 0%
Wind: 8.3 mph
UV Index: 0.7

Air Quality

AQI: 2 - Moderate
PM2.5: 33.98 μg/m3
PM10: 35.82 μg/m3
Carbon Monoxide: 354.9 μg/m3
Nitrogen Dioxide: 8.44 μg/m3
Sulphur Dioxide: 3.65 μg/m3
Ozone: 88.56 μg/m3

Astronomical

Sunrise: 7:20 AM
Sun Transit: 12:00 AM
Sunset: 7:14 PM
Daylight: 11 hrs 54 mins
Moonrise: 7:50 PM
Moon Transit: 1:15 AM
Moonset: 7:29 AM
Moon Phase: Full
Moon Illumination: 99.6%

Best Times for Fishing or Hunting

Major Periods

12:45 AM - 3:15 AM
2:51 PM - 5:21 PM

Minor Periods

7:20 PM - 8:50 PM
6:59 AM - 8:29 AM

Action Rating: 5 out of 5

Saturday, March 15, 2025

Weather Forecast

Conditions: Fog
Average Temperature: 55.5°F
Average Humidity: 84%
Chance of Rain: 0%
Wind: 14.1 mph
UV Index: 0.8

Air Quality

AQI: 2 - Moderate
PM2.5: 23.81 μg/m3
PM10: 26.16 μg/m3
Carbon Monoxide: 354.77 μg/m3
Nitrogen Dioxide: 5.95 μg/m3
Sulphur Dioxide: 2.97 μg/m3
Ozone: 89.08 μg/m3

Astronomical

Sunrise: 7:19 AM
Sun Transit: 12:00 AM
Sunset: 7:15 PM
Daylight: 11 hrs 57 mins
Moonrise: 8:49 PM
Moon Transit: 1:54 AM
Moonset: 7:50 AM
Moon Phase: Full
Moon Illumination: 97.0%

Best Times for Fishing or Hunting

Major Periods

1:24 AM - 3:54 AM
3:30 PM - 6:00 PM

Minor Periods

8:19 PM - 9:49 PM
7:20 AM - 8:50 AM

Action Rating: 4 out of 5

Sunday, March 16, 2025

Weather Forecast

Conditions: Patchy rain nearby
Average Temperature: 63.1°F
Average Humidity: 79%
Chance of Rain: 84%
Wind: 23.7 mph
UV Index: 0

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: 7:17 AM
Sun Transit: 12:00 AM
Sunset: 7:16 PM
Daylight: 11 hrs 59 mins
Moonrise: 9:48 PM
Moon Transit: 2:34 AM
Moonset: 8:11 AM
Moon Phase: Full
Moon Illumination: 91.9%

Best Times for Fishing or Hunting

Major Periods

2:04 AM - 4:34 AM
4:10 PM - 6:40 PM

Minor Periods

9:18 PM - 10:48 PM
7:41 AM - 9:11 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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