Water Temperature of Difficult Run in Oakton, VA

Current Water Temperature

47.5°F

Measurement Time: Saturday, March 7, 2026, 1:15 AM EST

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

42.1°F
Mist
Mist
39.1°F
41.8°F
96%
SE 4.7 mph
7.1 mph
37.3°F
41.5°F
0 in
100%
1 mi
1024 mbar
1

Five Day Weather Forecast

Fog
Sat
H: 66°F
L: 42°F
Overcast
Sun
H: 70°F
L: 54°F
Fog
Mon
H: 71°F
L: 37°F
Patchy rain nearby
Tue
H: 77°F
L: 55°F
Patchy rain nearby
Wed
H: 77°F
L: 60°F

Air Quality

AQI: 1 - Good
PM2.5: 12.75 μg/m3
PM10: 13.35 μg/m3
Carbon Monoxide: 235.85 μg/m3
Nitrogen Dioxide: 18.25 μg/m3
Sulphur Dioxide: 3.85 μg/m3
Ozone: 48 μg/m3

Astronomical

Sunrise: 6:33 AM
Sun Transit: 12:20 AM
Sunset: 6:09 PM
Daylight: 11 hrs 35 mins
Moonrise: 10:47 PM
Moon Transit: 3:02 AM
Moonset: 8:13 AM
Moon Phase: Waning Gibbous
Moon Illumination: 79.2%

Best Times for Fishing or Hunting

Major Periods

2:32 AM - 5:02 AM
4:39 PM - 7:09 PM

Minor Periods

10:17 PM - 11:47 PM
7:43 AM - 9:13 AM

Action Rating: 2 out of 5

Dense Fog Advisory issued March 6 at 11:10PM EST until March 7 at 10:00AM EST by NWS Baltimore MD/Washington DC

Effective: Fri March 6, 2026, 11:10 PM
Expires: Sat March 7, 2026, 7:30 AM

* WHAT...Visibility one quarter mile or less in dense fog. * WHERE...Portions of western Maryland, northwest and western Virginia, and the eastern panhandle of West Virginia. * WHEN...Until 10 AM EST Saturday. * IMPACTS...Low visibility could make driving conditions hazardous.

If driving, slow down, use your headlights, and leave plenty of distance ahead of you.
Saturday, March 7, 2026

Weather Forecast

Fog
66.4°F
41.5°F
51°F
93%
0 in
0%
0%
11.6 mph
3


Air Quality

AQI: 1 - Good
PM2.5: 9.81 μg/m3
PM10: 10.55 μg/m3
Carbon Monoxide: 211.69 μg/m3
Nitrogen Dioxide: 14.57 μg/m3
Sulphur Dioxide: 3.37 μg/m3
Ozone: 60.44 μg/m3

Astronomical

Sunrise: 6:33 AM
Sun Transit: 12:20 AM
Sunset: 6:09 PM
Daylight: 11 hrs 35 mins
Moonrise: 10:47 PM
Moon Transit: 3:02 AM
Moonset: 8:13 AM
Moon Phase: Waning Gibbous
Moon Illumination: 79.2%

Best Times for Fishing or Hunting

Major Periods

2:32 AM - 5:02 AM
4:39 PM - 7:09 PM

Minor Periods

10:17 PM - 11:47 PM
7:43 AM - 9:13 AM

Action Rating: 2 out of 5

Sunday, March 8, 2026

Weather Forecast

Overcast
70.3°F
54.1°F
63.9°F
77%
0 in
0%
0%
10.3 mph
4


Air Quality

AQI: 1 - Good
PM2.5: 7.13 μg/m3
PM10: 7.33 μg/m3
Carbon Monoxide: 161.97 μg/m3
Nitrogen Dioxide: 11.87 μg/m3
Sulphur Dioxide: 3.84 μg/m3
Ozone: 58.52 μg/m3

Astronomical

Sunrise: 6:32 AM
Sun Transit: 12:20 AM
Sunset: 6:10 PM
Daylight: 11 hrs 38 mins
Moonrise: 11:50 PM
Moon Transit: 3:47 AM
Moonset: 8:41 AM
Moon Phase: Waning Gibbous
Moon Illumination: 69.3%

Best Times for Fishing or Hunting

Major Periods

3:17 AM - 5:47 AM
5:25 PM - 7:55 PM

Minor Periods

12:00 AM - 12:00 AM
8:11 AM - 9:41 AM

Action Rating: 2 out of 5

Monday, March 9, 2026

Weather Forecast

Fog
70.9°F
36.7°F
53.8°F
79%
0 in
0%
0%
8.3 mph
3


Air Quality

AQI: 1 - Good
PM2.5: 10.39 μg/m3
PM10: 10.84 μg/m3
Carbon Monoxide: 265.81 μg/m3
Nitrogen Dioxide: 27.33 μg/m3
Sulphur Dioxide: 6.73 μg/m3
Ozone: 57.64 μg/m3

Astronomical

Sunrise: 6:30 AM
Sun Transit: 12:00 AM
Sunset: 6:11 PM
Daylight: 11 hrs 41 mins
Moonrise: 12:50 AM
Moon Transit: 4:34 AM
Moonset: 9:14 AM
Moon Phase: Waning Gibbous
Moon Illumination: 58.5%

Best Times for Fishing or Hunting

Major Periods

4:04 AM - 6:34 AM
6:13 PM - 8:43 PM

Minor Periods

8:44 AM - 10:14 AM
12:00 AM - 12:00 AM

Action Rating: 4 out of 5

Tuesday, March 10, 2026

Weather Forecast

Patchy rain nearby
77°F
54.8°F
64.8°F
65%
0.02 in
87%
0%
6 mph
4


Air Quality

AQI: 1 - Good
PM2.5: 10.49 μg/m3
PM10: 10.68 μg/m3
Carbon Monoxide: 280.19 μg/m3
Nitrogen Dioxide: 18.57 μg/m3
Sulphur Dioxide: 5.22 μg/m3
Ozone: 60.76 μg/m3

Astronomical

Sunrise: 6:28 AM
Sun Transit: 12:00 AM
Sunset: 6:12 PM
Daylight: 11 hrs 43 mins
Moonrise: 12:51 AM
Moon Transit: 5:23 AM
Moonset: 9:53 AM
Moon Phase: Last Quarter
Moon Illumination: 47.2%

Best Times for Fishing or Hunting

Major Periods

4:53 AM - 7:23 AM
7:04 PM - 9:34 PM

Minor Periods

9:23 AM - 10:53 AM
12:21 AM - 1:51 AM

Action Rating: 2 out of 5

Wednesday, March 11, 2026

Weather Forecast

Patchy rain nearby
76.9°F
60.2°F
66°F
82%
0.03 in
79%
0%
13.2 mph
4


Air Quality

AQI: 1 - Good
PM2.5: 10 μg/m3
PM10: 10.07 μg/m3
Carbon Monoxide: 202.48 μg/m3
Nitrogen Dioxide: 18.68 μg/m3
Sulphur Dioxide: 4.52 μg/m3
Ozone: 54.42 μg/m3

Astronomical

Sunrise: 6:27 AM
Sun Transit: 12:00 AM
Sunset: 6:13 PM
Daylight: 11 hrs 46 mins
Moonrise: 1:49 AM
Moon Transit: 6:14 AM
Moonset: 10:40 AM
Moon Phase: Last Quarter
Moon Illumination: 36.0%

Best Times for Fishing or Hunting

Major Periods

5:44 AM - 8:14 AM
7:55 PM - 10:25 PM

Minor Periods

10:10 AM - 11:40 AM
1:19 AM - 2:49 AM

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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