Water Temperature of Difficult Run in McLean, VA

Current Water Temperature

66.2°F

Measurement Time: Saturday, October 5, 2024, 8:15 PM EDT

Temperature Locations

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Local Points of Interest

Great Falls Park; Great Falls, VA

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Difficult Run

Station Name: DIFFICULT RUN NEAR GREAT FALLS, VA
Data Source: Water Data - usgc.gov

Elevation Above Sea Level: 184 feet / 56 meters

Nearest Address:
9200 Old Dominion Dr
McLean, VA 22102
Fairfax County

GPS Coordinates: 38.97594346, -77.24581439

Nearby Water Temperatures

Dead Run, McLean, VA (3.9 mi)
Difficult Run, Oakton, VA (7.8 mi)
Sligo Creek, Takoma Park, MD (13.0 mi)
Washington Channel, Washington, DC (14.0 mi)
Paint Branch, Calverton, MD (15.6 mi)
Northeast Branch Anacostia River, Riverdale Park, MD (17.2 mi)
Patuxent River, Brighton, MD (19.8 mi)
Potomac River, Point of Rocks, MD (26.0 mi)
Carroll Creek, Frederick, MD (32.5 mi)
Carroll Creek, Frederick, MD (33.5 mi)
Scotts Level Branch, Milford Mill, MD (37.2 mi)
Northwest Harbor, Baltimore, MD (41.0 mi)
Spout Run, Boyce, VA (41.2 mi)
Severn River, Annapolis, MD (41.2 mi)
Chesapeake Bay, Annapolis, MD (42.9 mi)

Weather for McLean, Virginia

Current Weather

64.9°F
Clear
Conditions: Clear
Humidity: 56%
Feels Like: 64.9°F
Wind: N 3.4 mph
Wind Gusts: 7 mph
Pressure: 30.17 in
Precipitation: 0 in
Cloud Cover: 0%
Visibility: 9 mi
UV Index: 1

Five Day Weather Forecast

Sunny
Sun
H: 81°F
L: 55°F
Sunny
Mon
H: 69°F
L: 55°F
Sunny
Tue
H: 65°F
L: 46°F
Sunny
Wed
H: 70°F
L: 49°F
Sunny
Thu
H: 63°F
L: 49°F

Air Quality

PM2.5: 16.28 μg/m3
PM10: 23.87 μg/m3
Carbon Monoxide: 410.7 μg/m3
Nitrogen Dioxide: 25.72 μg/m3
Sulphur Dioxide: 6.29 μg/m3
Ozone: 36 μg/m3

Astronomical

Sunrise: 7:10 AM
Sun Transit: 12:56 AM
Sunset: 6:43 PM
Daylight: 11 hrs 33 mins
Moonrise: 10:56 AM
Moon Transit: 3:44 PM
Moonset: 8:27 PM
Moon Phase: Waxing Crescent
Moon Illumination: 11.4%

Best Times for Fishing or Hunting

Major Periods

4:35 AM - 7:05 AM
3:14 PM - 5:44 PM

Minor Periods

7:57 PM - 9:27 PM
10:26 AM - 11:56 AM

Action Rating: 3 out of 5

Gale Warning issued October 5 at 3:57AM AKDT until October 5 at 5:00PM AKDT by NWS Anchorage AK

Effective: Sat October 5, 2024, 7:57 AM
Expires: Sat October 5, 2024, 9:45 PM

Offshore Waters Forecast for the Bering Sea Wind forecasts reflect the predominant speed and direction expected. Sea forecasts represent an average of the highest one-third of the combined wind wave and swell height. .TODAY...NW wind 35 kt. Seas 13 to 16 ft. .TONIGHT...N wind 30 kt. Seas 14 ft. .SUN...N wind 20 to 30 kt. Seas 10 to 14 ft. .SUN NIGHT...NW wind 15 to 30 kt. Seas 8 to 13 ft. .MON...W wind 10 to 25 kt. Seas 6 to 11 ft. .TUE...S wind 10 to 25 kt. Seas 5 to 10 ft. .WED...SE wind 10 kt. Seas 4 ft.


Sunday, October 6, 2024

Weather Forecast

Conditions: Sunny
Average Temperature: 66.5°F
Average Humidity: 72%
Chance of Rain: 0%
Wind: 8.9 mph
UV Index: 5

Air Quality

AQI: 2 - Moderate
PM2.5: 20.92 μg/m3
PM10: 30.41 μg/m3
Carbon Monoxide: 490.47 μg/m3
Nitrogen Dioxide: 32.89 μg/m3
Sulphur Dioxide: 8.7 μg/m3
Ozone: 60.76 μg/m3

Astronomical

Sunrise: 7:10 AM
Sun Transit: 12:56 AM
Sunset: 6:43 PM
Daylight: 11 hrs 33 mins
Moonrise: 10:56 AM
Moon Transit: 3:44 PM
Moonset: 8:27 PM
Moon Phase: Waxing Crescent
Moon Illumination: 11.4%

Best Times for Fishing or Hunting

Major Periods

4:35 AM - 7:05 AM
3:14 PM - 5:44 PM

Minor Periods

7:57 PM - 9:27 PM
10:26 AM - 11:56 AM

Action Rating: 3 out of 5

Monday, October 7, 2024

Weather Forecast

Conditions: Sunny
Average Temperature: 63.9°F
Average Humidity: 71%
Chance of Rain: 0%
Wind: 13 mph
UV Index: 5

Air Quality

AQI: 1 - Good
PM2.5: 13.62 μg/m3
PM10: 19.57 μg/m3
Carbon Monoxide: 393.24 μg/m3
Nitrogen Dioxide: 13.12 μg/m3
Sulphur Dioxide: 5.73 μg/m3
Ozone: 68.96 μg/m3

Astronomical

Sunrise: 7:11 AM
Sun Transit: 12:56 AM
Sunset: 6:42 PM
Daylight: 11 hrs 31 mins
Moonrise: 12:00 AM
Moon Transit: 4:34 PM
Moonset: 9:05 PM
Moon Phase: Waxing Crescent
Moon Illumination: 19.6%

Best Times for Fishing or Hunting

Major Periods

5:24 AM - 7:54 AM
4:04 PM - 6:34 PM

Minor Periods

8:35 PM - 10:05 PM
11:30 AM - 1:00 PM

Action Rating: 3 out of 5

Tuesday, October 8, 2024

Weather Forecast

Conditions: Sunny
Average Temperature: 55.9°F
Average Humidity: 65%
Chance of Rain: 0%
Wind: 8.3 mph
UV Index: 5

Air Quality

AQI: 1 - Good
PM2.5: 6.95 μg/m3
PM10: 9.98 μg/m3
Carbon Monoxide: 392.57 μg/m3
Nitrogen Dioxide: 19.27 μg/m3
Sulphur Dioxide: 5.09 μg/m3
Ozone: 56.24 μg/m3

Astronomical

Sunrise: 7:12 AM
Sun Transit: 12:56 AM
Sunset: 6:40 PM
Daylight: 11 hrs 28 mins
Moonrise: 1:02 PM
Moon Transit: 5:27 PM
Moonset: 9:52 PM
Moon Phase: Waxing Crescent
Moon Illumination: 29.3%

Best Times for Fishing or Hunting

Major Periods

6:16 AM - 8:46 AM
4:57 PM - 7:27 PM

Minor Periods

9:22 PM - 10:52 PM
12:32 AM - 2:02 PM

Action Rating: 2 out of 5

Wednesday, October 9, 2024

Weather Forecast

Conditions: Sunny
Average Temperature: 58.8°F
Average Humidity: 50%
Chance of Rain: 0%
Wind: 7.8 mph
UV Index: 4

Air Quality

AQI: 1 - Good
PM2.5: 14.93 μg/m3
PM10: 21.4 μg/m3
Carbon Monoxide: 542.9 μg/m3
Nitrogen Dioxide: 41.58 μg/m3
Sulphur Dioxide: 8.3 μg/m3
Ozone: 39.92 μg/m3

Astronomical

Sunrise: 7:13 AM
Sun Transit: 12:56 AM
Sunset: 6:39 PM
Daylight: 11 hrs 26 mins
Moonrise: 1:59 PM
Moon Transit: 6:23 PM
Moonset: 10:49 PM
Moon Phase: First Quarter
Moon Illumination: 40.0%

Best Times for Fishing or Hunting

Major Periods

7:11 AM - 9:41 AM
5:53 PM - 8:23 PM

Minor Periods

10:19 PM - 11:49 PM
1:29 PM - 2:59 PM

Action Rating: 3 out of 5

Thursday, October 10, 2024

Weather Forecast

Conditions: Sunny
Average Temperature: 53°F
Average Humidity: 54%
Chance of Rain: 0%
Wind: 9.8 mph
UV Index: 4

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: 7:14 AM
Sun Transit: 12:55 AM
Sunset: 6:37 PM
Daylight: 11 hrs 23 mins
Moonrise: 2:50 PM
Moon Transit: 7:20 PM
Moonset: 11:55 PM
Moon Phase: First Quarter
Moon Illumination: 51.3%

Best Times for Fishing or Hunting

Major Periods

8:08 AM - 10:38 AM
6:50 PM - 9:20 PM

Minor Periods

12:00 AM - 12:00 AM
2:20 PM - 3:50 PM

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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