Water Temperature of Difficult Run in Oakton, VA

Current Water Temperature

51.3°F

Measurement Time: Wednesday, April 8, 2026, 10:15 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

39°F
Partly cloudy
Partly cloudy
35.9°F
37.6°F
72%
SSE 4.3 mph
7.4 mph
33.4°F
30.9°F
0 in
75%
9 mi
1034 mbar
0

Five Day Weather Forecast

Partly Cloudy
Thu
H: 51°F
L: 36°F
Mist
Fri
H: 69°F
L: 41°F
Partly Cloudy
Sat
H: 66°F
L: 56°F
Partly Cloudy
Sun
H: 73°F
L: 48°F
Patchy rain nearby
Mon
H: 77°F
L: 60°F

Air Quality

PM2.5: 8.85 μg/m3
PM10: 11.25 μg/m3
Carbon Monoxide: 231.85 μg/m3
Nitrogen Dioxide: 22.75 μg/m3
Sulphur Dioxide: 4.05 μg/m3
Ozone: 50 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

Frost Advisory issued April 8 at 8:38PM EDT until April 9 at 9:00AM EDT by NWS Baltimore MD/Washington DC

Effective: Wed April 8, 2026, 8:38 PM
Expires: Thu April 9, 2026, 5:00 AM

* WHAT...Temperatures as low as 33 will result in frost formation. * WHERE...DC, and portions of central, northern, and southern Maryland, and central and northern Virginia. * WHEN...From midnight tonight to 9 AM EDT Thursday. * IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive outdoor plants may be killed if left uncovered.

Take steps now to protect tender plants from the cold.


Freeze Warning issued April 8 at 8:38PM EDT until April 9 at 9:00AM EDT by NWS Baltimore MD/Washington DC

Effective: Wed April 8, 2026, 8:38 PM
Expires: Thu April 9, 2026, 5:00 AM

* WHAT...Sub-freezing temperatures in the upper 20s to lower 30s expected. * WHERE...Portions of central, north central, northeast, and northern Maryland, central, northern, northwest, and western Virginia, and panhandle West Virginia. * WHEN...From midnight tonight to 9 AM EDT Thursday. * 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.


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

Effective: Thu April 9, 2026, 2:28 AM
Expires: Thu April 9, 2026, 2:38 AM

Monitoring message only. Please disregard.

Monitoring message only. Please disregard.
Thursday, April 9, 2026

Weather Forecast

Partly Cloudy
51.3°F
35.6°F
43.9°F
75%
0 in
0%
0%
7.2 mph
1.4


Air Quality

AQI: 1 - Good
PM2.5: 9.78 μg/m3
PM10: 12.19 μg/m3
Carbon Monoxide: 212.33 μg/m3
Nitrogen Dioxide: 16.43 μg/m3
Sulphur Dioxide: 4.77 μg/m3
Ozone: 79.04 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
69.3°F
41.4°F
54.4°F
71%
0 in
0%
0%
8.9 mph
1.6


Air Quality

AQI: 1 - Good
PM2.5: 9.51 μg/m3
PM10: 10.85 μg/m3
Carbon Monoxide: 191.85 μg/m3
Nitrogen Dioxide: 14.52 μg/m3
Sulphur Dioxide: 4.75 μg/m3
Ozone: 81.8 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
65.5°F
55.9°F
61.6°F
51%
0 in
0%
0%
11.6 mph
1.6


Air Quality

AQI: 1 - Good
PM2.5: 8.22 μg/m3
PM10: 8.58 μg/m3
Carbon Monoxide: 215.01 μg/m3
Nitrogen Dioxide: 14.77 μg/m3
Sulphur Dioxide: 5.25 μg/m3
Ozone: 81.88 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

Partly Cloudy
72.9°F
48.1°F
59.5°F
57%
0 in
0%
0%
11.9 mph
1.4


Air Quality

AQI: 1 - Good
PM2.5: 9.97 μg/m3
PM10: 10.13 μg/m3
Carbon Monoxide: 276.21 μg/m3
Nitrogen Dioxide: 28.47 μg/m3
Sulphur Dioxide: 7.49 μg/m3
Ozone: 56 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

Monday, April 13, 2026

Weather Forecast

Patchy rain nearby
76.5°F
60.3°F
64.4°F
74%
0.08 in
83%
0%
12.5 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: 6:36 AM
Sun Transit: 1:09 PM
Sunset: 7:44 PM
Daylight: 13 hrs 8 mins
Moonrise: 4:33 AM
Moon Transit: 10:01 AM
Moonset: 3:40 PM
Moon Phase: Waning Crescent
Moon Illumination: 6.1%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
9:31 AM - 12:01 AM

Minor Periods

3:10 PM - 4:40 PM
4:03 AM - 5:33 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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