Water Temperature of Upper Machedoc Creek in Dahlgren, VA

Current Water Temperature

64.8°F

Measurement Time: Tuesday, October 14, 2025, 11:36 AM EDT

Today's Tides

Low: October 14, 4:10 AM, 0.57 ft
 High: October 14, 9:47 AM, 1.79 ft
Low: October 14, 4:13 PM, 0.43 ft
 High: October 14, 10:25 PM, 1.92 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

62.1°F
Overcast
Conditions: Overcast
Humidity: 75%
Feels Like: 62.1°F
Wind: N 12.5 mph
Wind Gusts: 16.5 mph
Pressure: 30.1 in
Precipitation: 0 in
Cloud Cover: 100%
Visibility: 9 mi
UV Index: 0.6

Five Day Weather Forecast

Patchy rain nearby
Tue
H: 71°F
L: 58°F
Sunny
Wed
H: 68°F
L: 55°F
Sunny
Thu
H: 65°F
L: 46°F
Sunny
Fri
H: 64°F
L: 43°F
Sunny
Sat
H: 74°F
L: 51°F

Air Quality

AQI: 1 - Good
PM2.5: 3.85 μg/m3
PM10: 3.85 μg/m3
Carbon Monoxide: 165.85 μg/m3
Nitrogen Dioxide: 6.65 μg/m3
Sulphur Dioxide: 6.25 μg/m3
Ozone: 71 μg/m3

Astronomical

Sunrise: 7:16 AM
Sun Transit: 12:54 AM
Sunset: 6:31 PM
Daylight: 11 hrs 15 mins
Moonrise: 12:08 AM
Moon Transit: 7:49 AM
Moonset: 3:22 PM
Moon Phase: Last Quarter
Moon Illumination: 39.8%

Best Times for Fishing or Hunting

Major Periods

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

Minor Periods

2:52 PM - 4:22 PM
12:00 AM - 12:00 AM

Action Rating: 3 out of 5

Tuesday, October 14, 2025

Weather Forecast

Conditions: Patchy rain nearby
Average Temperature: 62.4°F
Average Humidity: 76%
Chance of Rain: 81%
Wind: 16.8 mph
UV Index: 0.5

Air Quality

AQI: 1 - Good
PM2.5: 3 μg/m3
PM10: 3.03 μg/m3
Carbon Monoxide: 162.77 μg/m3
Nitrogen Dioxide: 9.05 μg/m3
Sulphur Dioxide: 5.98 μg/m3
Ozone: 60.6 μg/m3

Astronomical

Sunrise: 7:16 AM
Sun Transit: 12:54 AM
Sunset: 6:31 PM
Daylight: 11 hrs 15 mins
Moonrise: 12:08 AM
Moon Transit: 7:49 AM
Moonset: 3:22 PM
Moon Phase: Last Quarter
Moon Illumination: 39.8%

Best Times for Fishing or Hunting

Major Periods

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

Minor Periods

2:52 PM - 4:22 PM
12:00 AM - 12:00 AM

Action Rating: 3 out of 5

Wednesday, October 15, 2025

Weather Forecast

Conditions: Sunny
Average Temperature: 60.5°F
Average Humidity: 67%
Chance of Rain: 0%
Wind: 13.4 mph
UV Index: 1.1

Air Quality

AQI: 1 - Good
PM2.5: 5.77 μg/m3
PM10: 5.82 μg/m3
Carbon Monoxide: 175.05 μg/m3
Nitrogen Dioxide: 9.95 μg/m3
Sulphur Dioxide: 6.66 μg/m3
Ozone: 70.84 μg/m3

Astronomical

Sunrise: 7:17 AM
Sun Transit: 12:53 AM
Sunset: 6:30 PM
Daylight: 11 hrs 13 mins
Moonrise: 1:17 AM
Moon Transit: 8:41 AM
Moonset: 3:54 PM
Moon Phase: Last Quarter
Moon Illumination: 29.1%

Best Times for Fishing or Hunting

Major Periods

8:11 AM - 10:41 AM
12:00 AM - 12:00 AM

Minor Periods

3:24 PM - 4:54 PM
12:47 AM - 2:17 AM

Action Rating: 2 out of 5

Thursday, October 16, 2025

Weather Forecast

Conditions: Sunny
Average Temperature: 56°F
Average Humidity: 49%
Chance of Rain: 0%
Wind: 14.8 mph
UV Index: 1

Air Quality

AQI: 1 - Good
PM2.5: 3.59 μg/m3
PM10: 3.61 μg/m3
Carbon Monoxide: 170.41 μg/m3
Nitrogen Dioxide: 8.89 μg/m3
Sulphur Dioxide: 4.78 μg/m3
Ozone: 66.4 μg/m3

Astronomical

Sunrise: 7:18 AM
Sun Transit: 12:53 AM
Sunset: 6:29 PM
Daylight: 11 hrs 10 mins
Moonrise: 2:25 AM
Moon Transit: 9:28 AM
Moonset: 4:21 PM
Moon Phase: Last Quarter
Moon Illumination: 19.4%

Best Times for Fishing or Hunting

Major Periods

8:58 AM - 11:28 AM
12:00 AM - 12:00 AM

Minor Periods

3:51 PM - 5:21 PM
1:55 AM - 3:25 AM

Action Rating: 2 out of 5

Friday, October 17, 2025

Weather Forecast

Conditions: Sunny
Average Temperature: 53.9°F
Average Humidity: 43%
Chance of Rain: 0%
Wind: 9.8 mph
UV Index: 1

Air Quality

AQI: 1 - Good
PM2.5: 3.92 μg/m3
PM10: 3.99 μg/m3
Carbon Monoxide: 168.85 μg/m3
Nitrogen Dioxide: 9.44 μg/m3
Sulphur Dioxide: 4.77 μg/m3
Ozone: 64.44 μg/m3

Astronomical

Sunrise: 7:19 AM
Sun Transit: 12:53 AM
Sunset: 6:27 PM
Daylight: 11 hrs 8 mins
Moonrise: 3:29 AM
Moon Transit: 10:12 AM
Moonset: 4:44 PM
Moon Phase: Waning Crescent
Moon Illumination: 11.3%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
9:42 AM - 12:12 AM

Minor Periods

4:14 PM - 5:44 PM
2:59 AM - 4:29 AM

Action Rating: 2 out of 5

Saturday, October 18, 2025

Weather Forecast

Conditions: Sunny
Average Temperature: 60.7°F
Average Humidity: 52%
Chance of Rain: 0%
Wind: 10.1 mph
UV Index: 0

Air Quality

AQI: 1 - Good
PM2.5: 6.27 μg/m3
PM10: 6.35 μg/m3
Carbon Monoxide: 218.77 μg/m3
Nitrogen Dioxide: 10.12 μg/m3
Sulphur Dioxide: 2.57 μg/m3
Ozone: 55.23 μg/m3

Astronomical

Sunrise: 7:20 AM
Sun Transit: 12:53 AM
Sunset: 6:26 PM
Daylight: 11 hrs 6 mins
Moonrise: 4:32 AM
Moon Transit: 10:53 AM
Moonset: 5:05 PM
Moon Phase: Waning Crescent
Moon Illumination: 5.2%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
10:23 AM - 12:53 AM

Minor Periods

4:35 PM - 6:05 PM
4:02 AM - 5:32 AM

Action Rating: 3 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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