Water Temperature of Difficult Run in Oakton, VA

Current Water Temperature

46.4°F

Measurement Time: Thursday, March 5, 2026, 6:15 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

48.9°F
Mist
Mist
48.3°F
47.7°F
100%
SSW 3.1 mph
3.6 mph
46.8°F
47.3°F
0 in
100%
1 mi
1022 mbar
2

Five Day Weather Forecast

Patchy rain nearby
Thu
H: 58°F
L: 44°F
Patchy rain nearby
Fri
H: 45°F
L: 42°F
Fog
Sat
H: 53°F
L: 39°F
Patchy rain nearby
Sun
H: 64°F
L: 57°F
Patchy rain nearby
Mon
H: 71°F
L: 55°F

Air Quality

AQI: 2 - Moderate
PM2.5: 12.75 μg/m3
PM10: 13.05 μg/m3
Carbon Monoxide: 357.85 μg/m3
Nitrogen Dioxide: 9.65 μg/m3
Sulphur Dioxide: 4.65 μg/m3
Ozone: 110 μg/m3

Astronomical

Sunrise: 6:36 AM
Sun Transit: 12:20 AM
Sunset: 6:06 PM
Daylight: 11 hrs 30 mins
Moonrise: 8:41 PM
Moon Transit: 1:36 AM
Moonset: 7:25 AM
Moon Phase: Full
Moon Illumination: 94.0%

Best Times for Fishing or Hunting

Major Periods

1:06 AM - 3:36 AM
3:12 PM - 5:42 PM

Minor Periods

8:11 PM - 9:41 PM
6:55 AM - 8:25 AM

Action Rating: 5 out of 5

Dense Fog Advisory issued March 4 at 11:01PM EST until March 5 at 10:00AM EST by NWS Baltimore MD/Washington DC

Effective: Wed March 4, 2026, 11:01 PM
Expires: Thu March 5, 2026, 7:15 AM

* WHAT...Visibility one quarter mile or less in dense fog. * WHERE...Portions of central, north central, and northern Maryland and northern, northwest, and western Virginia. * WHEN...Until 10 AM EST Thursday. * IMPACTS...Low visibility could make driving conditions hazardous.

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


Dense Fog Advisory issued March 5 at 7:07AM EST until March 5 at 10:00AM EST by NWS Baltimore MD/Washington DC

Effective: Thu March 5, 2026, 7:07 AM
Expires: Thu March 5, 2026, 10:00 AM

* WHAT...Visibility one quarter mile or less in dense fog. * WHERE...Portions of DC, central, north central, northern, and southern Maryland, central, northern, northwest, and western Virginia, and panhandle West Virginia. * WHEN...Until 10 AM EST this morning. * IMPACTS...Low visibility could make driving conditions hazardous.

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


This is only a test for monitoring of vital dissemination systems.

Effective: Thu March 5, 2026, 7:27 AM
Expires: Thu March 5, 2026, 7:37 AM

Monitoring message only. Please disregard.

Monitoring message only. Please disregard.


Dense Fog Advisory issued March 5 at 7:07AM EST until March 5 at 10:00AM EST by NWS Baltimore MD/Washington DC

Effective: Thu March 5, 2026, 7:07 AM
Expires: Thu March 5, 2026, 10:00 AM

* WHAT...Visibility one quarter mile or less in dense fog. * WHERE...In Maryland, Anne Arundel County. In Virginia, Nelson County. * WHEN...Until 10 AM EST this morning. * IMPACTS...Low visibility could make driving conditions hazardous.

If driving, slow down, use your headlights, and leave plenty of distance ahead of you.
Thursday, March 5, 2026

Weather Forecast

Patchy rain nearby
57.6°F
44.4°F
49.9°F
99%
0.01 in
89%
0%
4.7 mph
0


Air Quality

AQI: 2 - Moderate
PM2.5: 28.73 μg/m3
PM10: 29.01 μg/m3
Carbon Monoxide: 455.37 μg/m3
Nitrogen Dioxide: 35.86 μg/m3
Sulphur Dioxide: 7.52 μg/m3
Ozone: 36.12 μg/m3

Astronomical

Sunrise: 6:36 AM
Sun Transit: 12:20 AM
Sunset: 6:06 PM
Daylight: 11 hrs 30 mins
Moonrise: 8:41 PM
Moon Transit: 1:36 AM
Moonset: 7:25 AM
Moon Phase: Full
Moon Illumination: 94.0%

Best Times for Fishing or Hunting

Major Periods

1:06 AM - 3:36 AM
3:12 PM - 5:42 PM

Minor Periods

8:11 PM - 9:41 PM
6:55 AM - 8:25 AM

Action Rating: 5 out of 5

Friday, March 6, 2026

Weather Forecast

Patchy rain nearby
44.8°F
42.1°F
44.7°F
94%
0.15 in
88%
0%
9.4 mph
2


Air Quality

AQI: 2 - Moderate
PM2.5: 17.33 μg/m3
PM10: 17.52 μg/m3
Carbon Monoxide: 341.21 μg/m3
Nitrogen Dioxide: 31.78 μg/m3
Sulphur Dioxide: 6.81 μg/m3
Ozone: 47.48 μg/m3

Astronomical

Sunrise: 6:35 AM
Sun Transit: 12:20 AM
Sunset: 6:07 PM
Daylight: 11 hrs 33 mins
Moonrise: 9:44 PM
Moon Transit: 2:19 AM
Moonset: 7:48 AM
Moon Phase: Waning Gibbous
Moon Illumination: 87.6%

Best Times for Fishing or Hunting

Major Periods

1:49 AM - 4:19 AM
3:55 PM - 6:25 PM

Minor Periods

9:14 PM - 10:44 PM
7:18 AM - 8:48 AM

Action Rating: 3 out of 5

Saturday, March 7, 2026

Weather Forecast

Fog
53°F
38.7°F
45°F
92%
0 in
0%
0%
11.4 mph
2


Air Quality

AQI: 1 - Good
PM2.5: 14.18 μg/m3
PM10: 14.35 μg/m3
Carbon Monoxide: 224.33 μg/m3
Nitrogen Dioxide: 15.85 μg/m3
Sulphur Dioxide: 3.83 μg/m3
Ozone: 57.88 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

Patchy rain nearby
64°F
56.8°F
61.1°F
89%
0.05 in
71%
0%
9.2 mph
4


Air Quality

AQI: 1 - Good
PM2.5: 6.89 μg/m3
PM10: 7.31 μg/m3
Carbon Monoxide: 235.79 μg/m3
Nitrogen Dioxide: 11.44 μg/m3
Sulphur Dioxide: 3.88 μg/m3
Ozone: 64.96 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

Patchy rain nearby
70.6°F
55°F
60.5°F
87%
0.03 in
89%
0%
6 mph
4


Air Quality

AQI: 2 - Moderate
PM2.5: 24.22 μg/m3
PM10: 24.55 μg/m3
Carbon Monoxide: 500.2 μg/m3
Nitrogen Dioxide: 67.12 μg/m3
Sulphur Dioxide: 9.39 μg/m3
Ozone: 8.33 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

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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