Water Temperature of Difficult Run in Oakton, VA

Current Water Temperature

54.1°F

Measurement Time: Tuesday, April 7, 2026, 8:15 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

43°F
Clear
Clear
38.4°F
38.5°F
32%
NNE 7.6 mph
12.9 mph
33.3°F
16.6°F
0 in
0%
9 mi
1032 mbar
0

Five Day Weather Forecast

Sunny
Wed
H: 55°F
L: 31°F
Sunny
Thu
H: 58°F
L: 37°F
Mist
Fri
H: 73°F
L: 41°F
Partly Cloudy
Sat
H: 66°F
L: 54°F
Overcast
Sun
H: 70°F
L: 50°F

Air Quality

PM2.5: 6.05 μg/m3
PM10: 6.15 μg/m3
Carbon Monoxide: 189.85 μg/m3
Nitrogen Dioxide: 13.15 μg/m3
Sulphur Dioxide: 5.25 μg/m3
Ozone: 55 μg/m3

Astronomical

Sunrise: 6:43 AM
Sun Transit: 1:11 PM
Sunset: 7:40 PM
Daylight: 12 hrs 56 mins
Moonrise: 1:32 AM
Moon Transit: 5:58 AM
Moonset: 10:24 AM
Moon Phase: Last Quarter
Moon Illumination: 53.2%

Best Times for Fishing or Hunting

Major Periods

5:28 AM - 7:58 AM
7:38 PM - 10:08 PM

Minor Periods

9:54 AM - 11:24 AM
1:02 AM - 2:32 AM

Action Rating: 3 out of 5

Freeze Warning issued April 7 at 6:57PM EDT until April 8 at 9:00AM EDT by NWS Baltimore MD/Washington DC

Effective: Tue April 7, 2026, 6:57 PM
Expires: Wed April 8, 2026, 3:00 AM

* WHAT...Sub-freezing temperatures as low as 30 expected. * WHERE...In DC, District of Columbia. In Maryland, Anne Arundel, Central and Southeast Howard, Central and Southeast Montgomery, Prince Georges, Southern Baltimore, and Charles Counties. In Virginia, King George and Fairfax Counties, and Arlington/Falls Church/Alexandria. * WHEN...From midnight tonight to 9 AM EDT Wednesday. * IMPACTS...Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing.

Take steps now to protect tender plants from the cold.


Freeze Warning issued April 7 at 6:57PM EDT until April 8 at 9:00AM EDT by NWS Baltimore MD/Washington DC

Effective: Tue April 7, 2026, 6:57 PM
Expires: Wed April 8, 2026, 3:00 AM

* WHAT...For the Freeze Warning, sub-freezing temperatures as low as 26 expected. For the Freeze Watch, sub-freezing temperatures as low as 32 possible. * WHERE...Portions of central, north central, northeast, and northern Maryland, central, northern, northwest, and western Virginia, and panhandle West Virginia. * WHEN...For the Freeze Warning, from midnight tonight to 9 AM EDT Wednesday. For the Freeze Watch, from late Wednesday night through Thursday morning. * IMPACTS...Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing.

Take steps now to protect tender plants from the cold.


Freeze Watch issued April 7 at 6:57PM EDT until April 9 at 9:00AM EDT by NWS Baltimore MD/Washington DC

Effective: Tue April 7, 2026, 6:57 PM
Expires: Wed April 8, 2026, 3:00 AM

* WHAT...For the Freeze Warning, sub-freezing temperatures as low as 26 expected. For the Freeze Watch, sub-freezing temperatures as low as 32 possible. * WHERE...Portions of central, north central, northeast, and northern Maryland, central, northern, northwest, and western Virginia, and panhandle West Virginia. * WHEN...For the Freeze Warning, from midnight tonight to 9 AM EDT Wednesday. For the Freeze Watch, from late Wednesday night through Thursday morning. * IMPACTS...Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing.

Take steps now to protect tender plants from the cold.
Wednesday, April 8, 2026

Weather Forecast

Sunny
54.5°F
30.9°F
43°F
44%
0 in
0%
0%
7.6 mph
1.5


Air Quality

AQI: 1 - Good
PM2.5: 6.47 μg/m3
PM10: 7.03 μg/m3
Carbon Monoxide: 202.97 μg/m3
Nitrogen Dioxide: 13.37 μg/m3
Sulphur Dioxide: 5.12 μg/m3
Ozone: 75.04 μg/m3

Astronomical

Sunrise: 6:43 AM
Sun Transit: 1:11 PM
Sunset: 7:40 PM
Daylight: 12 hrs 56 mins
Moonrise: 1:32 AM
Moon Transit: 5:58 AM
Moonset: 10:24 AM
Moon Phase: Last Quarter
Moon Illumination: 53.2%

Best Times for Fishing or Hunting

Major Periods

5:28 AM - 7:58 AM
7:38 PM - 10:08 PM

Minor Periods

9:54 AM - 11:24 AM
1:02 AM - 2:32 AM

Action Rating: 3 out of 5

Thursday, April 9, 2026

Weather Forecast

Sunny
57.9°F
36.7°F
46.4°F
63%
0 in
0%
0%
6.9 mph
1.4


Air Quality

AQI: 1 - Good
PM2.5: 8.71 μg/m3
PM10: 10.85 μg/m3
Carbon Monoxide: 214.49 μg/m3
Nitrogen Dioxide: 13.63 μg/m3
Sulphur Dioxide: 3.61 μg/m3
Ozone: 84.76 μg/m3

Astronomical

Sunrise: 6:42 AM
Sun Transit: 1:10 PM
Sunset: 7:41 PM
Daylight: 12 hrs 59 mins
Moonrise: 2:21 AM
Moon Transit: 6:49 AM
Moonset: 11:21 AM
Moon Phase: Last Quarter
Moon Illumination: 41.9%

Best Times for Fishing or Hunting

Major Periods

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

Minor Periods

10:51 AM - 12:21 AM
1:51 AM - 3:21 AM

Action Rating: 3 out of 5

Friday, April 10, 2026

Weather Forecast

Mist
73.2°F
40.8°F
55.1°F
71%
0 in
0%
0%
8.7 mph
1.7


Air Quality

AQI: 1 - Good
PM2.5: 9.5 μg/m3
PM10: 11.57 μg/m3
Carbon Monoxide: 215.68 μg/m3
Nitrogen Dioxide: 13.7 μg/m3
Sulphur Dioxide: 3.91 μg/m3
Ozone: 84.08 μg/m3

Astronomical

Sunrise: 6:40 AM
Sun Transit: 1:10 PM
Sunset: 7:42 PM
Daylight: 13 hrs 1 mins
Moonrise: 3:02 AM
Moon Transit: 7:39 AM
Moonset: 12:23 AM
Moon Phase: Last Quarter
Moon Illumination: 31.0%

Best Times for Fishing or Hunting

Major Periods

7:09 AM - 9:39 AM
9:19 PM - 11:49 PM

Minor Periods

11:53 AM - 1:23 PM
2:32 AM - 4:02 AM

Action Rating: 3 out of 5

Saturday, April 11, 2026

Weather Forecast

Partly Cloudy
66°F
53.5°F
60.6°F
60%
0 in
0%
0%
10.1 mph
1.5


Air Quality

AQI: 1 - Good
PM2.5: 9.06 μg/m3
PM10: 9.91 μg/m3
Carbon Monoxide: 211.07 μg/m3
Nitrogen Dioxide: 17.85 μg/m3
Sulphur Dioxide: 3.77 μg/m3
Ozone: 64.92 μg/m3

Astronomical

Sunrise: 6:39 AM
Sun Transit: 1:10 PM
Sunset: 7:43 PM
Daylight: 13 hrs 4 mins
Moonrise: 3:36 AM
Moon Transit: 8:28 AM
Moonset: 1:27 PM
Moon Phase: Last Quarter
Moon Illumination: 21.1%

Best Times for Fishing or Hunting

Major Periods

7:58 AM - 10:28 AM
12:00 AM - 12:00 AM

Minor Periods

12:57 AM - 2:27 PM
3:06 AM - 4:36 AM

Action Rating: 2 out of 5

Sunday, April 12, 2026

Weather Forecast

Overcast
70°F
49.6°F
55.1°F
63%
0 in
0%
0%
11 mph
0


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: 6:37 AM
Sun Transit: 1:10 PM
Sunset: 7:43 PM
Daylight: 13 hrs 6 mins
Moonrise: 4:06 AM
Moon Transit: 9:15 AM
Moonset: 2:34 PM
Moon Phase: Waning Crescent
Moon Illumination: 12.6%

Best Times for Fishing or Hunting

Major Periods

8:45 AM - 11:15 AM
12:00 AM - 12:00 AM

Minor Periods

2:04 PM - 3:34 PM
3:36 AM - 5:06 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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