Water Temperature of Difficult Run in Oakton, VA

Current Water Temperature

32.0°F

Measurement Time: Friday, September 25, 2026, 7:50 PM EDT

Temperature Locations

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Local Points of Interest

Fairfax, VA

Difficult Run

Station Name: DIFFICULT RUN ABOVE FOX LAKE NEAR FAIRFAX, VA
Data Source: Water Data - usgc.gov

Elevation Above Sea Level: 328 feet

Nearest Address:
11200 Lapham Dr
Oakton, VA 22124
Fairfax County

GPS Coordinates: 38.88469518, -77.3324293

Nearby Water Temperatures

Difficult Run, McLean, VA (7.8 mi)
Dead Run, McLean, VA (9.9 mi)
Washington Channel, Washington, DC (16.7 mi)
Sligo Creek, Takoma Park, MD (19 mi)
Paint Branch, Calverton, MD (22.3 mi)
Northeast Branch Anacostia River, Riverdale Park, MD (22.5 mi)
Patuxent River, Brighton, MD (27.6 mi)
Potomac River, Point of Rocks, MD (29.1 mi)
Carroll Creek, Frederick, MD (37.7 mi)
Spout Run, Boyce, VA (38.2 mi)
Carroll Creek, Frederick, MD (38.5 mi)
Upper Machedoc Creek, Dahlgren, VA (42.2 mi)
Scotts Level Branch, Milford Mill, MD (45 mi)
Severn River, Annapolis, MD (46.4 mi)
Chesapeake Bay, Annapolis, MD (47.8 mi)

Weather for Oakton, Virginia

Current Weather

61°F
Partly Cloudy
Partly Cloudy
62%
N 13 mph
48°F

Weather Forecast

Mostly Clear
Tonight
55°F - Mostly Clear
Chance Rain Showers
Saturday
68°F - Chance Rain Showers
Chance Rain Showers
Saturday Night
57°F - Chance Rain Showers
Rain Showers Likely
Sunday
64°F - Rain Showers Likely
Rain Showers Likely
Sunday Night
60°F - Rain Showers Likely
Slight Chance Rain Showers then Mostly Cloudy
Monday
68°F - Slight Chance Rain Showers then Mostly Cloudy
Mostly Cloudy
Monday Night
60°F - Mostly Cloudy
Partly Sunny
Tuesday
74°F - Partly Sunny
Partly Cloudy
Tuesday Night
59°F - Partly Cloudy
Mostly Sunny
Wednesday
77°F - Mostly Sunny
Partly Cloudy
Wednesday Night
61°F - Partly Cloudy
Mostly Sunny
Thursday
78°F - Mostly Sunny
Partly Cloudy
Thursday Night
63°F - Partly Cloudy
Partly Sunny
Friday
77°F - Partly Sunny

Astronomical

Sunrise: 7:00 AM
Sun Transit: 1:00 PM
Sunset: 7:01 PM
Daylight: 12 hrs 2 mins
Moonrise: 6:26 PM
Moon Transit: 12:00 AM
Moonset: 5:46 AM
Moon Phase: Full
Moon Illumination: 99.6%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
1:25 PM - 3:55 PM

Minor Periods

5:56 PM - 7:26 PM
5:16 AM - 6:46 AM

Action Rating: 5 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: 7:00 AM
Sun Transit: 1:00 PM
Sunset: 7:01 PM
Daylight: 12 hrs 2 mins
Moonrise: 6:26 PM
Moon Transit: 12:00 AM
Moonset: 5:46 AM
Moon Phase: Full
Moon Illumination: 99.6%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
1:25 PM - 3:55 PM

Minor Periods

5:56 PM - 7:26 PM
5:16 AM - 6:46 AM

Action Rating: 5 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: 7:01 AM
Sun Transit: 1:00 PM
Sunset: 7:00 PM
Daylight: 11 hrs 59 mins
Moonrise: 6:49 PM
Moon Transit: 8:33 AM
Moonset: 6:53 AM
Moon Phase: Full
Moon Illumination: 99.7%

Best Times for Fishing or Hunting

Major Periods

8:03 AM - 10:33 AM
8:03 AM - 10:33 AM

Minor Periods

6:19 PM - 7:49 PM
6:23 AM - 7:53 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: 7:01 AM
Sun Transit: 1:00 PM
Sunset: 7:00 PM
Daylight: 11 hrs 59 mins
Moonrise: 6:49 PM
Moon Transit: 8:33 AM
Moonset: 6:53 AM
Moon Phase: Full
Moon Illumination: 99.7%

Best Times for Fishing or Hunting

Major Periods

8:03 AM - 10:33 AM
8:03 AM - 10:33 AM

Minor Periods

6:19 PM - 7:49 PM
6:23 AM - 7:53 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: 7:02 AM
Sun Transit: 1:00 PM
Sunset: 6:58 PM
Daylight: 11 hrs 57 mins
Moonrise: 7:15 PM
Moon Transit: 1:19 AM
Moonset: 8:01 AM
Moon Phase: Full
Moon Illumination: 97.3%

Best Times for Fishing or Hunting

Major Periods

12:49 AM - 3:19 AM
2:57 PM - 5:27 PM

Minor Periods

6:45 PM - 8:15 PM
7:31 AM - 9:01 AM

Action Rating: 5 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: 7:02 AM
Sun Transit: 1:00 PM
Sunset: 6:58 PM
Daylight: 11 hrs 57 mins
Moonrise: 7:15 PM
Moon Transit: 1:19 AM
Moonset: 8:01 AM
Moon Phase: Full
Moon Illumination: 97.3%

Best Times for Fishing or Hunting

Major Periods

12:49 AM - 3:19 AM
2:57 PM - 5:27 PM

Minor Periods

6:45 PM - 8:15 PM
7:31 AM - 9:01 AM

Action Rating: 5 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: 7:03 AM
Sun Transit: 1:00 PM
Sunset: 6:57 PM
Daylight: 11 hrs 54 mins
Moonrise: 7:45 PM
Moon Transit: 2:07 AM
Moonset: 9:12 AM
Moon Phase: Full
Moon Illumination: 92.4%

Best Times for Fishing or Hunting

Major Periods

1:37 AM - 4:07 AM
3:47 PM - 6:17 PM

Minor Periods

7:15 PM - 8:45 PM
8:42 AM - 10:12 AM

Action Rating: 4 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: 7:03 AM
Sun Transit: 1:00 PM
Sunset: 6:57 PM
Daylight: 11 hrs 54 mins
Moonrise: 7:45 PM
Moon Transit: 2:07 AM
Moonset: 9:12 AM
Moon Phase: Full
Moon Illumination: 92.4%

Best Times for Fishing or Hunting

Major Periods

1:37 AM - 4:07 AM
3:47 PM - 6:17 PM

Minor Periods

7:15 PM - 8:45 PM
8:42 AM - 10:12 AM

Action Rating: 4 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: 7:03 AM
Sun Transit: 1:00 PM
Sunset: 6:55 PM
Daylight: 11 hrs 52 mins
Moonrise: 8:20 PM
Moon Transit: 3:00 AM
Moonset: 10:26 AM
Moon Phase: Waning Gibbous
Moon Illumination: 85.4%

Best Times for Fishing or Hunting

Major Periods

2:30 AM - 5:00 AM
4:42 PM - 7:12 PM

Minor Periods

7:50 PM - 9:20 PM
9:56 AM - 11:26 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: 7:03 AM
Sun Transit: 1:00 PM
Sunset: 6:55 PM
Daylight: 11 hrs 52 mins
Moonrise: 8:20 PM
Moon Transit: 3:00 AM
Moonset: 10:26 AM
Moon Phase: Waning Gibbous
Moon Illumination: 85.4%

Best Times for Fishing or Hunting

Major Periods

2:30 AM - 5:00 AM
4:42 PM - 7:12 PM

Minor Periods

7:50 PM - 9:20 PM
9:56 AM - 11:26 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: 7:04 AM
Sun Transit: 1:00 PM
Sunset: 6:54 PM
Daylight: 11 hrs 49 mins
Moonrise: 9:04 PM
Moon Transit: 3:55 AM
Moonset: 11:41 AM
Moon Phase: Waning Gibbous
Moon Illumination: 76.5%

Best Times for Fishing or Hunting

Major Periods

3:25 AM - 5:55 AM
5:40 PM - 8:10 PM

Minor Periods

8:34 PM - 10:04 PM
11:11 AM - 12:41 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: 7:04 AM
Sun Transit: 1:00 PM
Sunset: 6:54 PM
Daylight: 11 hrs 49 mins
Moonrise: 9:04 PM
Moon Transit: 3:55 AM
Moonset: 11:41 AM
Moon Phase: Waning Gibbous
Moon Illumination: 76.5%

Best Times for Fishing or Hunting

Major Periods

3:25 AM - 5:55 AM
5:40 PM - 8:10 PM

Minor Periods

8:34 PM - 10:04 PM
11:11 AM - 12:41 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: 7:05 AM
Sun Transit: 12:58 AM
Sunset: 6:52 PM
Daylight: 11 hrs 47 mins
Moonrise: 9:58 PM
Moon Transit: 4:55 AM
Moonset: 12:54 AM
Moon Phase: Waning Gibbous
Moon Illumination: 66.3%

Best Times for Fishing or Hunting

Major Periods

4:25 AM - 6:55 AM
6:42 PM - 9:12 PM

Minor Periods

9:28 PM - 10:58 PM
12:24 AM - 1:54 PM

Action Rating: 4 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: 7:05 AM
Sun Transit: 12:58 AM
Sunset: 6:52 PM
Daylight: 11 hrs 47 mins
Moonrise: 9:58 PM
Moon Transit: 4:55 AM
Moonset: 12:54 AM
Moon Phase: Waning Gibbous
Moon Illumination: 66.3%

Best Times for Fishing or Hunting

Major Periods

4:25 AM - 6:55 AM
6:42 PM - 9:12 PM

Minor Periods

9:28 PM - 10:58 PM
12:24 AM - 1:54 PM

Action Rating: 4 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: 7:06 AM
Sun Transit: 12:58 AM
Sunset: 6:51 PM
Daylight: 11 hrs 44 mins
Moonrise: 11:02 PM
Moon Transit: 5:58 AM
Moonset: 1:59 PM
Moon Phase: Last Quarter
Moon Illumination: 55.3%

Best Times for Fishing or Hunting

Major Periods

5:28 AM - 7:58 AM
7:45 PM - 10:15 PM

Minor Periods

12:00 AM - 12:00 AM
1:29 PM - 2:59 PM

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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