Water Temperature of Dead Run in McLean, VA

Current Water Temperature

40.1°F

Measurement Time: Saturday, December 21, 2024, 2:00 AM EST

Temperature Locations

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Local Points of Interest

Dead Run; Langley Oaks Park

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Dead Run

Station Name: DEAD RUN AT WHANN AVENUE NEAR MCLEAN, VA
Data Source: Water Data - usgc.gov

Elevation Above Sea Level: 226 feet / 69 meters

Nearest Address:
800 Whann Ave
McLean, VA 22101
Fairfax County

GPS Coordinates: 38.95977716, -77.1756743

Nearby Water Temperatures

Difficult Run, McLean, VA (3.9 mi)
Sligo Creek, Takoma Park, MD (9.4 mi)
Difficult Run, Oakton, VA (9.9 mi)
Washington Channel, Washington, DC (10.2 mi)
Paint Branch, Calverton, MD (12.4 mi)
Northeast Branch Anacostia River, Riverdale Park, MD (13.4 mi)
Patuxent River, Brighton, MD (18.5 mi)
Potomac River, Point of Rocks, MD (29.3 mi)
Carroll Creek, Frederick, MD (34.9 mi)
Scotts Level Branch, Milford Mill, MD (35.5 mi)
Carroll Creek, Frederick, MD (35.8 mi)
Severn River, Annapolis, MD (37.5 mi)
Northwest Harbor, Baltimore, MD (38.4 mi)
Chesapeake Bay, Annapolis, MD (39.1 mi)
Herring Run, Baltimore, MD (41.5 mi)

Weather for McLean, Virginia

Current Weather

30.9°F
Clear
Conditions: Clear
Humidity: 75%
Feels Like: 19.8°F
Wind: NW 12.8 mph
Wind Gusts: 18.5 mph
Pressure: 30.08 in
Precipitation: 0 in
Cloud Cover: 0%
Visibility: 6 mi
UV Index: 0

Five Day Weather Forecast

Sunny
Sat
H: 38°F
L: 26°F
Sunny
Sun
H: 35°F
L: 22°F
Partly Cloudy
Mon
H: 33°F
L: 19°F
Patchy rain nearby
Tue
H: 49°F
L: 28°F
Sunny
Wed
H: 42°F
L: 29°F

Air Quality

AQI: 4 - Unhealthy
PM2.5: 3.15 μg/m3
PM10: 3.15 μg/m3
Carbon Monoxide: 345.95 μg/m3
Nitrogen Dioxide: 11.66 μg/m3
Sulphur Dioxide: 6.11 μg/m3
Ozone: 67 μg/m3

Astronomical

Sunrise: 7:24 AM
Sun Transit: 12:07 AM
Sunset: 4:50 PM
Daylight: 9 hrs 26 mins
Moonrise: 11:27 PM
Moon Transit: 5:08 AM
Moonset: 11:39 AM
Moon Phase: Waning Gibbous
Moon Illumination: 58.9%

Best Times for Fishing or Hunting

Major Periods

4:38 AM - 7:08 AM
6:44 PM - 9:14 PM

Minor Periods

12:00 AM - 12:00 AM
11:09 AM - 12:39 AM

Action Rating: 3 out of 5

Saturday, December 21, 2024

Weather Forecast

Conditions: Sunny
Average Temperature: 32.9°F
Average Humidity: 71%
Chance of Rain: 0%
Wind: 14.8 mph
UV Index: 0.3

Air Quality

AQI: 1 - Good
PM2.5: 14.5 μg/m3
PM10: 15.16 μg/m3
Carbon Monoxide: 427.79 μg/m3
Nitrogen Dioxide: 36.82 μg/m3
Sulphur Dioxide: 14.37 μg/m3
Ozone: 44.64 μg/m3

Astronomical

Sunrise: 7:24 AM
Sun Transit: 12:07 AM
Sunset: 4:50 PM
Daylight: 9 hrs 26 mins
Moonrise: 11:27 PM
Moon Transit: 5:08 AM
Moonset: 11:39 AM
Moon Phase: Waning Gibbous
Moon Illumination: 58.9%

Best Times for Fishing or Hunting

Major Periods

4:38 AM - 7:08 AM
6:44 PM - 9:14 PM

Minor Periods

12:00 AM - 12:00 AM
11:09 AM - 12:39 AM

Action Rating: 3 out of 5

Sunday, December 22, 2024

Weather Forecast

Conditions: Sunny
Average Temperature: 27.2°F
Average Humidity: 67%
Chance of Rain: 0%
Wind: 10.1 mph
UV Index: 0.3

Air Quality

AQI: 1 - Good
PM2.5: 8.02 μg/m3
PM10: 8.14 μg/m3
Carbon Monoxide: 353.13 μg/m3
Nitrogen Dioxide: 25.1 μg/m3
Sulphur Dioxide: 8.26 μg/m3
Ozone: 68.64 μg/m3

Astronomical

Sunrise: 7:24 AM
Sun Transit: 12:07 AM
Sunset: 4:51 PM
Daylight: 9 hrs 26 mins
Moonrise: 12:27 AM
Moon Transit: 5:48 AM
Moonset: 12:00 AM
Moon Phase: Last Quarter
Moon Illumination: 47.6%

Best Times for Fishing or Hunting

Major Periods

5:18 AM - 7:48 AM
7:23 PM - 9:53 PM

Minor Periods

11:30 AM - 1:00 PM
12:00 AM - 12:00 AM

Action Rating: 3 out of 5

Monday, December 23, 2024

Weather Forecast

Conditions: Partly Cloudy
Average Temperature: 26.4°F
Average Humidity: 76%
Chance of Rain: 0%
Wind: 9.4 mph
UV Index: 0.4

Air Quality

AQI: 2 - Moderate
PM2.5: 21.05 μg/m3
PM10: 21.53 μg/m3
Carbon Monoxide: 481 μg/m3
Nitrogen Dioxide: 59.08 μg/m3
Sulphur Dioxide: 17.97 μg/m3
Ozone: 39.28 μg/m3

Astronomical

Sunrise: 7:25 AM
Sun Transit: 12:08 AM
Sunset: 4:51 PM
Daylight: 9 hrs 27 mins
Moonrise: 12:26 AM
Moon Transit: 6:27 AM
Moonset: 12:20 AM
Moon Phase: Last Quarter
Moon Illumination: 36.5%

Best Times for Fishing or Hunting

Major Periods

5:57 AM - 8:27 AM
8:02 PM - 10:32 PM

Minor Periods

11:50 AM - 1:20 PM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Tuesday, December 24, 2024

Weather Forecast

Conditions: Patchy rain nearby
Average Temperature: 37.1°F
Average Humidity: 63%
Chance of Rain: 69%
Wind: 10.3 mph
UV Index: 0.2

Air Quality

AQI: 2 - Moderate
PM2.5: 36.52 μg/m3
PM10: 36.91 μg/m3
Carbon Monoxide: 683.24 μg/m3
Nitrogen Dioxide: 61.26 μg/m3
Sulphur Dioxide: 21.45 μg/m3
Ozone: 26.52 μg/m3

Astronomical

Sunrise: 7:25 AM
Sun Transit: 12:08 AM
Sunset: 4:52 PM
Daylight: 9 hrs 27 mins
Moonrise: 1:24 AM
Moon Transit: 7:06 AM
Moonset: 12:40 AM
Moon Phase: Last Quarter
Moon Illumination: 26.0%

Best Times for Fishing or Hunting

Major Periods

6:36 AM - 9:06 AM
8:42 PM - 11:12 PM

Minor Periods

12:10 AM - 1:40 PM
12:54 AM - 2:24 AM

Action Rating: 2 out of 5

Wednesday, December 25, 2024

Weather Forecast

Conditions: Sunny
Average Temperature: 34.9°F
Average Humidity: 65%
Chance of Rain: 0%
Wind: 7.6 mph
UV Index: 0

Air Quality

AQI: 4 - Unhealthy
PM2.5: 65.69 μg/m3
PM10: 66.9 μg/m3
Carbon Monoxide: 1187.13 μg/m3
Nitrogen Dioxide: 85.81 μg/m3
Sulphur Dioxide: 26.88 μg/m3
Ozone: 2 μg/m3

Astronomical

Sunrise: 7:26 AM
Sun Transit: 12:09 AM
Sunset: 4:53 PM
Daylight: 9 hrs 27 mins
Moonrise: 2:24 AM
Moon Transit: 7:47 AM
Moonset: 1:03 PM
Moon Phase: Last Quarter
Moon Illumination: 16.7%

Best Times for Fishing or Hunting

Major Periods

7:17 AM - 9:47 AM
9:24 PM - 11:54 PM

Minor Periods

12:33 AM - 2:03 PM
1:54 AM - 3:24 AM

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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