Water Temperature of Upper Machedoc Creek in Dahlgren, VA

Current Water Temperature

84.7°F

Measurement Time: Friday, September 4, 2026, 3:00 AM EDT

Today's Tides

Low: September 4, 3:13 AM, 0.7 ft
 High: September 4, 8:42 AM, 1.8 ft
Low: September 4, 3:07 PM, 0.4 ft
 High: September 4, 9:19 PM, 2.1 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

76°F
Slight Chance Rain Showers
Slight Chance Rain Showers
87%
W 3 mph
72°F

Weather Forecast

Slight Chance Rain Showers
Overnight
76°F - Slight Chance Rain Showers
Mostly Sunny then Chance Showers And Thunderstorms
Friday
92°F - Mostly Sunny then Chance Showers And Thunderstorms
Chance Showers And Thunderstorms then Mostly Cloudy
Friday Night
74°F - Chance Showers And Thunderstorms then Mostly Cloudy
Partly Sunny then Slight Chance Showers And Thunderstorms
Saturday
85°F - Partly Sunny then Slight Chance Showers And Thunderstorms
Chance Showers And Thunderstorms
Saturday Night
68°F - Chance Showers And Thunderstorms
Sunny
Sunday
81°F - Sunny
Mostly Clear
Sunday Night
65°F - Mostly Clear
Sunny
Labor Day
81°F - Sunny
Mostly Clear
Monday Night
66°F - Mostly Clear
Sunny
Tuesday
83°F - Sunny
Partly Cloudy
Tuesday Night
69°F - Partly Cloudy
Mostly Sunny
Wednesday
86°F - Mostly Sunny
Partly Cloudy
Wednesday Night
74°F - Partly Cloudy
Sunny then Slight Chance Showers And Thunderstorms
Thursday
89°F - Sunny then Slight Chance Showers And Thunderstorms

Astronomical

Sunrise: 6:41 AM
Sun Transit: 1:07 PM
Sunset: 7:33 PM
Daylight: 12 hrs 52 mins
Moonrise: 12:07 AM
Moon Transit: 7:00 AM
Moonset: 2:58 PM
Moon Phase: Last Quarter
Moon Illumination: 38.0%

Best Times for Fishing or Hunting

Major Periods

6:30 AM - 9:00 AM
8:49 PM - 11:19 PM

Minor Periods

2:28 PM - 3:58 PM
12:00 AM - 12:00 AM

Action Rating: 3 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


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: 6:41 AM
Sun Transit: 1:07 PM
Sunset: 7:33 PM
Daylight: 12 hrs 52 mins
Moonrise: 12:07 AM
Moon Transit: 7:00 AM
Moonset: 2:58 PM
Moon Phase: Last Quarter
Moon Illumination: 38.0%

Best Times for Fishing or Hunting

Major Periods

6:30 AM - 9:00 AM
8:49 PM - 11:19 PM

Minor Periods

2:28 PM - 3:58 PM
12:00 AM - 12:00 AM

Action Rating: 3 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


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: 6:41 AM
Sun Transit: 1:07 PM
Sunset: 7:33 PM
Daylight: 12 hrs 52 mins
Moonrise: 12:07 AM
Moon Transit: 7:00 AM
Moonset: 2:58 PM
Moon Phase: Last Quarter
Moon Illumination: 38.0%

Best Times for Fishing or Hunting

Major Periods

6:30 AM - 9:00 AM
8:49 PM - 11:19 PM

Minor Periods

2:28 PM - 3:58 PM
12:00 AM - 12:00 AM

Action Rating: 3 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


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: 6:41 AM
Sun Transit: 1:07 PM
Sunset: 7:33 PM
Daylight: 12 hrs 52 mins
Moonrise: 12:07 AM
Moon Transit: 7:00 AM
Moonset: 2:58 PM
Moon Phase: Last Quarter
Moon Illumination: 38.0%

Best Times for Fishing or Hunting

Major Periods

6:30 AM - 9:00 AM
8:49 PM - 11:19 PM

Minor Periods

2:28 PM - 3:58 PM
12:00 AM - 12:00 AM

Action Rating: 3 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


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: 6:41 AM
Sun Transit: 1:06 PM
Sunset: 7:31 PM
Daylight: 12 hrs 50 mins
Moonrise: 12:04 AM
Moon Transit: 8:02 AM
Moonset: 4:01 PM
Moon Phase: Last Quarter
Moon Illumination: 27.4%

Best Times for Fishing or Hunting

Major Periods

7:32 AM - 10:02 AM
12:00 AM - 12:00 AM

Minor Periods

3:31 PM - 5:01 PM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


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: 6:41 AM
Sun Transit: 1:06 PM
Sunset: 7:31 PM
Daylight: 12 hrs 50 mins
Moonrise: 12:04 AM
Moon Transit: 8:02 AM
Moonset: 4:01 PM
Moon Phase: Last Quarter
Moon Illumination: 27.4%

Best Times for Fishing or Hunting

Major Periods

7:32 AM - 10:02 AM
12:00 AM - 12:00 AM

Minor Periods

3:31 PM - 5:01 PM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


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: 6:42 AM
Sun Transit: 1:06 PM
Sunset: 7:30 PM
Daylight: 12 hrs 48 mins
Moonrise: 1:10 AM
Moon Transit: 9:05 AM
Moonset: 4:53 PM
Moon Phase: Last Quarter
Moon Illumination: 18.0%

Best Times for Fishing or Hunting

Major Periods

8:35 AM - 11:05 AM
12:00 AM - 12:00 AM

Minor Periods

4:23 PM - 5:53 PM
12:40 AM - 2:10 AM

Action Rating: 2 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


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: 6:42 AM
Sun Transit: 1:06 PM
Sunset: 7:30 PM
Daylight: 12 hrs 48 mins
Moonrise: 1:10 AM
Moon Transit: 9:05 AM
Moonset: 4:53 PM
Moon Phase: Last Quarter
Moon Illumination: 18.0%

Best Times for Fishing or Hunting

Major Periods

8:35 AM - 11:05 AM
12:00 AM - 12:00 AM

Minor Periods

4:23 PM - 5:53 PM
12:40 AM - 2:10 AM

Action Rating: 2 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


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: 6:43 AM
Sun Transit: 1:06 PM
Sunset: 7:28 PM
Daylight: 12 hrs 45 mins
Moonrise: 2:24 AM
Moon Transit: 10:05 AM
Moonset: 5:36 PM
Moon Phase: Waning Crescent
Moon Illumination: 10.1%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
9:35 AM - 12:05 AM

Minor Periods

5:06 PM - 6:36 PM
1:54 AM - 3:24 AM

Action Rating: 2 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


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: 6:43 AM
Sun Transit: 1:06 PM
Sunset: 7:28 PM
Daylight: 12 hrs 45 mins
Moonrise: 2:24 AM
Moon Transit: 10:05 AM
Moonset: 5:36 PM
Moon Phase: Waning Crescent
Moon Illumination: 10.1%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
9:35 AM - 12:05 AM

Minor Periods

5:06 PM - 6:36 PM
1:54 AM - 3:24 AM

Action Rating: 2 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


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: 6:44 AM
Sun Transit: 1:05 PM
Sunset: 7:27 PM
Daylight: 12 hrs 43 mins
Moonrise: 3:40 AM
Moon Transit: 11:01 AM
Moonset: 6:11 PM
Moon Phase: Waning Crescent
Moon Illumination: 4.4%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
10:31 AM - 1:01 PM

Minor Periods

5:41 PM - 7:11 PM
3:10 AM - 4:40 AM

Action Rating: 3 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


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: 6:44 AM
Sun Transit: 1:05 PM
Sunset: 7:27 PM
Daylight: 12 hrs 43 mins
Moonrise: 3:40 AM
Moon Transit: 11:01 AM
Moonset: 6:11 PM
Moon Phase: Waning Crescent
Moon Illumination: 4.4%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
10:31 AM - 1:01 PM

Minor Periods

5:41 PM - 7:11 PM
3:10 AM - 4:40 AM

Action Rating: 3 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


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: 6:45 AM
Sun Transit: 1:05 PM
Sunset: 7:25 PM
Daylight: 12 hrs 40 mins
Moonrise: 4:54 AM
Moon Transit: 11:53 AM
Moonset: 6:41 PM
Moon Phase: Waning Crescent
Moon Illumination: 0.9%

Best Times for Fishing or Hunting

Major Periods

12:45 AM - 3:15 AM
11:23 AM - 1:53 PM

Minor Periods

6:11 PM - 7:41 PM
4:24 AM - 5:54 AM

Action Rating: 3 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


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: 6:45 AM
Sun Transit: 1:05 PM
Sunset: 7:25 PM
Daylight: 12 hrs 40 mins
Moonrise: 4:54 AM
Moon Transit: 11:53 AM
Moonset: 6:41 PM
Moon Phase: Waning Crescent
Moon Illumination: 0.9%

Best Times for Fishing or Hunting

Major Periods

12:45 AM - 3:15 AM
11:23 AM - 1:53 PM

Minor Periods

6:11 PM - 7:41 PM
4:24 AM - 5:54 AM

Action Rating: 3 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


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: 6:46 AM
Sun Transit: 1:05 PM
Sunset: 7:24 PM
Daylight: 12 hrs 38 mins
Moonrise: 6:06 AM
Moon Transit: 12:42 AM
Moonset: 7:07 PM
Moon Phase: New
Moon Illumination: 0.0%

Best Times for Fishing or Hunting

Major Periods

1:35 AM - 4:05 AM
12:12 AM - 2:42 PM

Minor Periods

6:37 PM - 8:07 PM
5:36 AM - 7:06 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.

Webcams Near Dahlgren, VA