Weather Report
Mc Lean, Virginia
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Current Conditions -  °F | °C
As of 7:16 AM on Sunday 19 May 2013 (Local Time) from KDCA Reporting Station
Moderate Fog Moderate Fog   Feels Like: 63°
Wind Chill: 63°   Ceiling: 200
Heat Index: 63°   Visibility: 0.5mi
Dew Point: 61°   Wind: 3mph
Humidity: 94%   Direction: 50° (NE)
Pressure: 30.18"   Gusts: NA
Report Text: KDCA 191116Z 05003KT 1/2SM R01/4000V4500FT FG VV002 17/16 A3018 RMK AO2 VIS 1/8V3/4
8 AM
Few Showers
Few Showers 62°
9 AM
Few Showers
Few Showers 65°
10 AM
Few Showers
Few Showers 66°
Alerts
Interactive Weather Map
10 Day Forecast -  °F | °C
sun mon tue wed thu fri sat sun mon tue
may
19
Sct T-Storms
Sct T-Storms
77°
65°
may
20
Iso T-Storms
Iso T-Storms
79°
65°
may
21
Iso T-Storms
Iso T-Storms
85°
69°
may
22
Iso T-Storms
Iso T-Storms
86°
69°
may
23
Sct T-Storms
Sct T-Storms
81°
65°
may
24
Sct T-Storms
Sct T-Storms
78°
57°
may
25
P Cloudy
P Cloudy
68°
54°
may
26
P Cloudy
P Cloudy
73°
54°
may
27
Showers
Showers
74°
57°
may
28
Showers
Showers
76°
60°
Details for Sunday, May 19
A few showers early with scattered thunderstorms arriving for the afternoon. High 77F. Winds ESE at 5 to 10 mph. Chance of rain 50%.
Evening: Scattered thunderstorms during the evening. Cloudy skies after midnight. Low near 65F. Winds SSE at 5 to 10 mph. Chance of rain 50%.
UV Index: 6 (High)
Ultraviolet Radiation Index
Relative Humidity: 77%
Relative Humidity
Precipitation: 50%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 78%
Cloud Coverage
Sunrise: 5:52 AM
Sunset: 8:18 PM
 
Moonrise: 2:23 PM
Moonset: 2:11 AM
Moon Phase:  Waxing Gibbous
Moonphase:
Waxing Gibbous
Wind Direction:  ESE
Direction: ESE (112°)
Speed: 9Mph(15Km, 8Kts)
Details for Monday, May 20
Partly to mostly cloudy with isolated thunderstorms developing during the afternoon. High 79F. Winds S at 5 to 10 mph. Chance of rain 30%.
Evening: Isolated thunderstorms in the evening. Cloudy skies overnight. Low around 65F. Winds S at 5 to 10 mph. Chance of rain 30%.
UV Index: 7 (High)
Ultraviolet Radiation Index
Relative Humidity: 75%
Relative Humidity
Precipitation: 30%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 70%
Cloud Coverage
Sunrise: 5:51 AM
Sunset: 8:19 PM
 
Moonrise: 3:26 PM
Moonset: 2:42 AM
Moon Phase:  Waxing Gibbous
Moonphase:
Waxing Gibbous
Wind Direction:  S
Direction: S (180°)
Speed: 8Mph(13Km, 7Kts)
Details for Tuesday, May 21
Partly cloudy, chance of a thunderstorm. Highs in the mid 80s and lows in the upper 60s.
UV Index: 9 (Very High)
Ultraviolet Radiation Index
Relative Humidity: 70%
Relative Humidity
Precipitation: 30%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 49%
Cloud Coverage
Sunrise: 5:51 AM
Sunset: 8:20 PM
 
Moonrise: 4:32 PM
Moonset: 3:15 AM
Moon Phase:  Waxing Gibbous
Moonphase:
Waxing Gibbous
Wind Direction:  SSW
Direction: SSW (192°)
Speed: 6Mph(10Km, 5Kts)
Details for Wednesday, May 22
Slight chance of a thunderstorm. Highs in the mid 80s and lows in the upper 60s.
UV Index: 8 (Very High)
Ultraviolet Radiation Index
Relative Humidity: 67%
Relative Humidity
Precipitation: 30%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 61%
Cloud Coverage
Sunrise: 5:50 AM
Sunset: 8:21 PM
 
Moonrise: 5:41 PM
Moonset: 3:51 AM
Moon Phase:  Waxing Gibbous
Moonphase:
Waxing Gibbous
Wind Direction:  SSW
Direction: SSW (193°)
Speed: 9Mph(15Km, 8Kts)
Details for Thursday, May 23
A few thunderstorms possible. Highs in the low 80s and lows in the mid 60s.
UV Index: 7 (High)
Ultraviolet Radiation Index
Relative Humidity: 67%
Relative Humidity
Precipitation: 40%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 70%
Cloud Coverage
Sunrise: 5:49 AM
Sunset: 8:21 PM
 
Moonrise: 6:52 PM
Moonset: 4:31 AM
Moon Phase:  Waxing Gibbous
Moonphase:
Waxing Gibbous
Wind Direction:  N
Direction: N (8°)
Speed: 8Mph(13Km, 7Kts)
Details for Friday, May 24
Scattered thunderstorms possible. Highs in the upper 70s and lows in the upper 50s.
UV Index: 9 (Very High)
Ultraviolet Radiation Index
Relative Humidity: 63%
Relative Humidity
Precipitation: 40%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 40%
Cloud Coverage
Sunrise: 5:49 AM
Sunset: 8:22 PM
 
Moonrise: 8:02 PM
Moonset: 5:18 AM
Moon Phase:  Full
Moonphase:
Full
Wind Direction:  NNW
Direction: NNW (328°)
Speed: 9Mph(15Km, 8Kts)
Details for Saturday, May 25
Times of sun and clouds. Highs in the upper 60s and lows in the mid 50s.
UV Index: 9 (Very High)
Ultraviolet Radiation Index
Relative Humidity: 63%
Relative Humidity
Precipitation: 10%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 20%
Cloud Coverage
Sunrise: 5:48 AM
Sunset: 8:23 PM
 
Moonrise: 9:09 PM
Moonset: 6:12 AM
Moon Phase:  Waning Gibbous
Moonphase:
Waning Gibbous
Wind Direction:  N
Direction: N (11°)
Speed: 8Mph(13Km, 7Kts)
Details for Sunday, May 26
Times of sun and clouds. Highs in the low 70s and lows in the mid 50s.
UV Index: 9 (Very High)
Ultraviolet Radiation Index
Relative Humidity: 53%
Relative Humidity
Precipitation: 20%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 46%
Cloud Coverage
Sunrise: 5:48 AM
Sunset: 8:24 PM
 
Moonrise: 10:10 PM
Moonset: 7:14 AM
Moon Phase:  Waning Gibbous
Moonphase:
Waning Gibbous
Wind Direction:  NE
Direction: NE (48°)
Speed: 9Mph(15Km, 8Kts)
Details for Monday, May 27
Chance of showers. Highs in the mid 70s and lows in the upper 50s.
UV Index: 6 (High)
Ultraviolet Radiation Index
Relative Humidity: 55%
Relative Humidity
Precipitation: 60%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 75%
Cloud Coverage
Sunrise: 5:47 AM
Sunset: 8:25 PM
 
Moonrise: 11:03 PM
Moonset: 8:21 AM
Moon Phase:  Waning Gibbous
Moonphase:
Waning Gibbous
Wind Direction:  ESE
Direction: ESE (105°)
Speed: 9Mph(15Km, 8Kts)
Details for Tuesday, May 28
Showers. Highs in the mid 70s and lows in the low 60s.
UV Index: 6 (High)
Ultraviolet Radiation Index
Relative Humidity: 64%
Relative Humidity
Precipitation: 60%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 83%
Cloud Coverage
Sunrise: 5:46 AM
Sunset: 8:25 PM
 
Moonrise: 11:49 PM
Moonset: 9:31 AM
Moon Phase:  Waning Gibbous
Moonphase:
Waning Gibbous
Wind Direction:  SE
Direction: SE (136°)
Speed: 9Mph(15Km, 8Kts)
Chart.
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