Water Temperature of Upper Machedoc Creek in Dahlgren, VA

Current Water Temperature

69.8°F

Measurement Time: Saturday, May 10, 2025, 3:12 AM EDT

Today's Tides

High: May 10, 2:17 AM, 1.87 ft
 Low: May 10, 8:52 AM, 0.30 ft
High: May 10, 2:33 PM, 1.56 ft
 Low: May 10, 8:42 PM, 0.20 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

54°F
Clear
Conditions: Clear
Humidity: 50%
Feels Like: 51.1°F
Wind: WNW 9.4 mph
Wind Gusts: 18.7 mph
Pressure: 30.07 in
Precipitation: 0 in
Cloud Cover: 0%
Visibility: 9 mi
UV Index: 0

Five Day Weather Forecast

Partly Cloudy
Sat
H: 72°F
L: 52°F
Partly Cloudy
Sun
H: 80°F
L: 57°F
Partly Cloudy
Mon
H: 78°F
L: 58°F
Heavy rain
Tue
H: 69°F
L: 63°F
Moderate rain
Wed
H: 75°F
L: 63°F

Air Quality

PM2.5: 6.11 μg/m3
PM10: 6.29 μg/m3
Carbon Monoxide: 312.65 μg/m3
Nitrogen Dioxide: 9.07 μg/m3
Sulphur Dioxide: 11.1 μg/m3
Ozone: 71 μg/m3

Astronomical

Sunrise: 6:01 AM
Sun Transit: 1:04 PM
Sunset: 8:08 PM
Daylight: 14 hrs 7 mins
Moonrise: 6:33 PM
Moon Transit: 11:53 PM
Moonset: 4:43 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 97.1%

Best Times for Fishing or Hunting

Major Periods

12:49 AM - 3:19 PM
12:00 AM - 12:00 AM

Minor Periods

6:03 PM - 7:33 PM
4:13 AM - 5:43 AM

Action Rating: 3 out of 5

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

Effective: Sat May 10, 2025, 2:25 AM
Expires: Sat May 10, 2025, 2:35 AM

Monitoring message only. Please disregard.

Monitoring message only. Please disregard.
Saturday, May 10, 2025

Weather Forecast

Conditions: Partly Cloudy
Average Temperature: 63.1°F
Average Humidity: 46%
Chance of Rain: 0%
Wind: 14.8 mph
UV Index: 2

Air Quality

AQI: 1 - Good
PM2.5: 9.12 μg/m3
PM10: 9.63 μg/m3
Carbon Monoxide: 308.43 μg/m3
Nitrogen Dioxide: 8.64 μg/m3
Sulphur Dioxide: 7.1 μg/m3
Ozone: 89.68 μg/m3

Astronomical

Sunrise: 6:01 AM
Sun Transit: 1:04 PM
Sunset: 8:08 PM
Daylight: 14 hrs 7 mins
Moonrise: 6:33 PM
Moon Transit: 11:53 PM
Moonset: 4:43 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 97.1%

Best Times for Fishing or Hunting

Major Periods

12:49 AM - 3:19 PM
12:00 AM - 12:00 AM

Minor Periods

6:03 PM - 7:33 PM
4:13 AM - 5:43 AM

Action Rating: 3 out of 5

Sunday, May 11, 2025

Weather Forecast

Conditions: Partly Cloudy
Average Temperature: 69.4°F
Average Humidity: 51%
Chance of Rain: 0%
Wind: 8.1 mph
UV Index: 1.7

Air Quality

AQI: 2 - Moderate
PM2.5: 16.22 μg/m3
PM10: 17.25 μg/m3
Carbon Monoxide: 337.66 μg/m3
Nitrogen Dioxide: 13.39 μg/m3
Sulphur Dioxide: 8.62 μg/m3
Ozone: 95.84 μg/m3

Astronomical

Sunrise: 6:00 AM
Sun Transit: 1:04 PM
Sunset: 8:09 PM
Daylight: 14 hrs 9 mins
Moonrise: 7:33 PM
Moon Transit: 12:00 AM
Moonset: 5:06 AM
Moon Phase: Full
Moon Illumination: 99.7%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
1:31 PM - 4:01 PM

Minor Periods

7:03 PM - 8:33 PM
4:36 AM - 6:06 AM

Action Rating: 5 out of 5

Monday, May 12, 2025

Weather Forecast

Conditions: Partly Cloudy
Average Temperature: 69.3°F
Average Humidity: 69%
Chance of Rain: 0%
Wind: 8.5 mph
UV Index: 2.2

Air Quality

AQI: 1 - Good
PM2.5: 11.61 μg/m3
PM10: 13.03 μg/m3
Carbon Monoxide: 325.53 μg/m3
Nitrogen Dioxide: 5.47 μg/m3
Sulphur Dioxide: 3.2 μg/m3
Ozone: 106.28 μg/m3

Astronomical

Sunrise: 5:59 AM
Sun Transit: 1:04 PM
Sunset: 8:10 PM
Daylight: 14 hrs 11 mins
Moonrise: 8:36 PM
Moon Transit: 12:36 AM
Moonset: 5:34 AM
Moon Phase: Full
Moon Illumination: 99.7%

Best Times for Fishing or Hunting

Major Periods

12:06 AM - 2:36 AM
2:16 PM - 4:46 PM

Minor Periods

8:06 PM - 9:36 PM
5:04 AM - 6:34 AM

Action Rating: 4 out of 5

Tuesday, May 13, 2025

Weather Forecast

Conditions: Heavy rain
Average Temperature: 66.1°F
Average Humidity: 92%
Chance of Rain: 85%
Wind: 20.8 mph
UV Index: 0.3

Air Quality

AQI: 1 - Good
PM2.5: 12.45 μg/m3
PM10: 16.54 μg/m3
Carbon Monoxide: 288.46 μg/m3
Nitrogen Dioxide: 4.72 μg/m3
Sulphur Dioxide: 1.92 μg/m3
Ozone: 94.23 μg/m3

Astronomical

Sunrise: 5:59 AM
Sun Transit: 1:04 PM
Sunset: 8:11 PM
Daylight: 14 hrs 13 mins
Moonrise: 9:37 PM
Moon Transit: 1:23 AM
Moonset: 6:06 AM
Moon Phase: Full
Moon Illumination: 97.2%

Best Times for Fishing or Hunting

Major Periods

12:53 AM - 3:23 AM
3:05 PM - 5:35 PM

Minor Periods

9:07 PM - 10:37 PM
5:36 AM - 7:06 AM

Action Rating: 4 out of 5

Wednesday, May 14, 2025

Weather Forecast

Conditions: Moderate rain
Average Temperature: 67.2°F
Average Humidity: 92%
Chance of Rain: 82%
Wind: 7.6 mph
UV Index: 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: 5:58 AM
Sun Transit: 1:04 PM
Sunset: 8:12 PM
Daylight: 14 hrs 14 mins
Moonrise: 10:37 PM
Moon Transit: 2:13 AM
Moonset: 6:46 AM
Moon Phase: Full
Moon Illumination: 92.3%

Best Times for Fishing or Hunting

Major Periods

1:43 AM - 4:13 AM
3:56 PM - 6:26 PM

Minor Periods

10:07 PM - 11:37 PM
6:16 AM - 7:46 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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