Water Temperature of Difficult Run in Oakton, VA

Current Water Temperature

66.9°F

Measurement Time: Friday, April 17, 2026, 3:15 AM 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

69.1°F
Partly cloudy
Partly cloudy
69.1°F
71.6°F
59%
WNW 6.3 mph
10.8 mph
68.6°F
53.6°F
0 in
75%
8 mi
1012 mbar
0

Five Day Weather Forecast

Sunny
Fri
H: 81°F
L: 66°F
Partly Cloudy
Sat
H: 81°F
L: 63°F
Patchy rain nearby
Sun
H: 64°F
L: 47°F
Partly Cloudy
Mon
H: 51°F
L: 38°F
Sunny
Tue
H: 67°F
L: 37°F

Air Quality

AQI: 1 - Good
PM2.5: 8.25 μg/m3
PM10: 9.65 μg/m3
Carbon Monoxide: 162.85 μg/m3
Nitrogen Dioxide: 5.35 μg/m3
Sulphur Dioxide: 6.85 μg/m3
Ozone: 114 μg/m3

Astronomical

Sunrise: 6:30 AM
Sun Transit: 1:08 PM
Sunset: 7:48 PM
Daylight: 13 hrs 18 mins
Moonrise: 6:15 AM
Moon Transit: 1:14 PM
Moonset: 8:28 PM
Moon Phase: New
Moon Illumination: 4.1%

Best Times for Fishing or Hunting

Major Periods

2:03 AM - 4:33 AM
12:44 AM - 3:14 PM

Minor Periods

7:58 PM - 9:28 PM
5:45 AM - 7:15 AM

Action Rating: 4 out of 5

Friday, April 17, 2026

Weather Forecast

Sunny
81°F
65.8°F
74.5°F
51%
0 in
0%
0%
12.1 mph
1.8


Air Quality

AQI: 1 - Good
PM2.5: 8.62 μg/m3
PM10: 9.38 μg/m3
Carbon Monoxide: 169.73 μg/m3
Nitrogen Dioxide: 11.93 μg/m3
Sulphur Dioxide: 5.73 μg/m3
Ozone: 96.2 μg/m3

Astronomical

Sunrise: 6:30 AM
Sun Transit: 1:08 PM
Sunset: 7:48 PM
Daylight: 13 hrs 18 mins
Moonrise: 6:15 AM
Moon Transit: 1:14 PM
Moonset: 8:28 PM
Moon Phase: New
Moon Illumination: 4.1%

Best Times for Fishing or Hunting

Major Periods

2:03 AM - 4:33 AM
12:44 AM - 3:14 PM

Minor Periods

7:58 PM - 9:28 PM
5:45 AM - 7:15 AM

Action Rating: 4 out of 5

Saturday, April 18, 2026

Weather Forecast

Partly Cloudy
81°F
63.1°F
71.1°F
63%
0 in
0%
0%
10.3 mph
2


Air Quality

AQI: 1 - Good
PM2.5: 12.46 μg/m3
PM10: 13.38 μg/m3
Carbon Monoxide: 191.37 μg/m3
Nitrogen Dioxide: 21.84 μg/m3
Sulphur Dioxide: 4.58 μg/m3
Ozone: 93.32 μg/m3

Astronomical

Sunrise: 6:29 AM
Sun Transit: 1:08 PM
Sunset: 7:49 PM
Daylight: 13 hrs 21 mins
Moonrise: 6:48 AM
Moon Transit: 2:11 PM
Moonset: 9:47 PM
Moon Phase: New
Moon Illumination: 1.2%

Best Times for Fishing or Hunting

Major Periods

2:57 AM - 5:27 AM
1:41 PM - 4:11 PM

Minor Periods

9:17 PM - 10:47 PM
6:18 AM - 7:48 AM

Action Rating: 4 out of 5

Sunday, April 19, 2026

Weather Forecast

Patchy rain nearby
63.7°F
46.9°F
55.8°F
64%
0.12 in
77%
0%
16.1 mph
0.4


Air Quality

AQI: 1 - Good
PM2.5: 6.23 μg/m3
PM10: 6.8 μg/m3
Carbon Monoxide: 173.69 μg/m3
Nitrogen Dioxide: 9.61 μg/m3
Sulphur Dioxide: 4.08 μg/m3
Ozone: 96.92 μg/m3

Astronomical

Sunrise: 6:27 AM
Sun Transit: 1:08 PM
Sunset: 7:50 PM
Daylight: 13 hrs 23 mins
Moonrise: 7:28 AM
Moon Transit: 3:11 PM
Moonset: 11:06 PM
Moon Phase: Waxing Crescent
Moon Illumination: 4.9%

Best Times for Fishing or Hunting

Major Periods

3:56 AM - 6:26 AM
2:41 PM - 5:11 PM

Minor Periods

12:00 AM - 12:00 AM
6:58 AM - 8:28 AM

Action Rating: 3 out of 5

Monday, April 20, 2026

Weather Forecast

Partly Cloudy
50.7°F
37.6°F
44.8°F
45%
0 in
0%
0%
14.1 mph
1.5


Air Quality

AQI: 1 - Good
PM2.5: 6.01 μg/m3
PM10: 6.35 μg/m3
Carbon Monoxide: 172.86 μg/m3
Nitrogen Dioxide: 13.52 μg/m3
Sulphur Dioxide: 4.58 μg/m3
Ozone: 82.36 μg/m3

Astronomical

Sunrise: 6:26 AM
Sun Transit: 1:08 PM
Sunset: 7:51 PM
Daylight: 13 hrs 25 mins
Moonrise: 8:18 AM
Moon Transit: 4:16 PM
Moonset: 12:06 AM
Moon Phase: Waxing Crescent
Moon Illumination: 10.8%

Best Times for Fishing or Hunting

Major Periods

4:59 AM - 7:29 AM
3:46 PM - 6:16 PM

Minor Periods

7:48 AM - 9:18 AM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Tuesday, April 21, 2026

Weather Forecast

Sunny
66.5°F
36.7°F
48.5°F
44%
0 in
0%
0%
11.6 mph
0.1


Air Quality

AQI: 1 - Good
PM2.5: 5.43 μg/m3
PM10: 5.56 μg/m3
Carbon Monoxide: 194.5 μg/m3
Nitrogen Dioxide: 12.84 μg/m3
Sulphur Dioxide: 5.12 μg/m3
Ozone: 67.23 μg/m3

Astronomical

Sunrise: 6:25 AM
Sun Transit: 1:08 PM
Sunset: 7:52 PM
Daylight: 13 hrs 28 mins
Moonrise: 9:19 AM
Moon Transit: 5:21 PM
Moonset: 12:19 AM
Moon Phase: Waxing Crescent
Moon Illumination: 18.8%

Best Times for Fishing or Hunting

Major Periods

6:04 AM - 8:34 AM
4:51 PM - 7:21 PM

Minor Periods

8:49 AM - 10:19 AM
12:00 AM - 12:00 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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