Weather Report
Derwood, Maryland
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Current Conditions -  °F | °C
As of 5:52 PM on Saturday 25 May 2013 (Local Time) from KIAD Reporting Station
Scattered Clouds Scattered Clouds   Feels Like: 65°
Wind Chill: 65°   Ceiling: Unl
Heat Index: 65°   Visibility: 10mi
Dew Point: 33°   Wind: 21mph
Humidity: 31%   Direction: 290° (WNW)
Pressure: 30.1"   Gusts: 29mph
Report Text: KIAD 252152Z 29018G25KT 10SM FEW075 SCT250 18/01 A3010 RMK AO2 PK WND 31028/2122 SLP194 T01830006
7 PM
Sunny/Wind
Sunny/Wind 62°
8 PM
Sunny
Sunny 60°
9 PM
Clear
Clear 58°
Alerts
Interactive Weather Map
10 Day Forecast -  °F | °C
sat sun mon tue wed thu fri sat sun mon
may
25
Clear/Wind
Clear/Wind
64°
44°
may
26
Sunny
Sunny
71°
46°
may
27
M Sunny
M Sunny
75°
55°
may
28
M Cloudy
M Cloudy
78°
64°
may
29
M Cloudy
M Cloudy
83°
67°
may
30
M Cloudy
M Cloudy
87°
67°
may
31
P Cloudy
P Cloudy
88°
67°
jun
01
Sunny
Sunny
85°
68°
jun
02
M Sunny
M Sunny
85°
68°
jun
03
M Cloudy
M Cloudy
84°
65°
Details for Saturday, May 25 (Evening)
Evening: Clear. Gusty winds diminishing after midnight. Low 44F. WNW winds at 20 to 30 mph, diminishing to 5 to 10 mph.
UV Index: 9 (Very High)
Ultraviolet Radiation Index
Relative Humidity: 55%
Relative Humidity
Precipitation: 0%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 0%
Cloud Coverage
Sunrise: 5:48 AM
Sunset: 8:24 PM
 
Moonrise: 9:10 PM
Moonset: 6:12 AM
Moon Phase:  Waning Gibbous
Moonphase:
Waning Gibbous
Wind Direction:  WNW
Direction: WNW (302°)
Speed: 20Mph(32Km, 17Kts)
Details for Sunday, May 26
Mainly sunny. High 71F. Winds WNW at 10 to 20 mph.
Evening: A mostly clear sky. Low 46F. Winds NW at 5 to 10 mph.
UV Index: 9 (Very High)
Ultraviolet Radiation Index
Relative Humidity: 40%
Relative Humidity
Precipitation: 0%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 0%
Cloud Coverage
Sunrise: 5:47 AM
Sunset: 8:25 PM
 
Moonrise: 10:10 PM
Moonset: 7:14 AM
Moon Phase:  Waning Gibbous
Moonphase:
Waning Gibbous
Wind Direction:  WNW
Direction: WNW (302°)
Speed: 14Mph(23Km, 12Kts)
Details for Monday, May 27
Plenty of sun. Highs in the mid 70s and lows in the mid 50s.
UV Index: 9 (Very High)
Ultraviolet Radiation Index
Relative Humidity: 42%
Relative Humidity
Precipitation: 20%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 28%
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:  W
Direction: W (273°)
Speed: 5Mph(8Km, 4Kts)
Details for Tuesday, May 28
More clouds than sun. Highs in the upper 70s and lows in the mid 60s.
UV Index: 9 (Very High)
Ultraviolet Radiation Index
Relative Humidity: 66%
Relative Humidity
Precipitation: 20%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 47%
Cloud Coverage
Sunrise: 5:46 AM
Sunset: 8:26 PM
 
Moonrise: 11:49 PM
Moonset: 9:31 AM
Moon Phase:  Waning Gibbous
Moonphase:
Waning Gibbous
Wind Direction:  SE
Direction: SE (133°)
Speed: 7Mph(12Km, 6Kts)
Details for Wednesday, May 29
Mostly cloudy. Highs in the low 80s and lows in the upper 60s.
UV Index: 8 (Very High)
Ultraviolet Radiation Index
Relative Humidity: 65%
Relative Humidity
Precipitation: 20%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 60%
Cloud Coverage
Sunrise: 5:46 AM
Sunset: 8:27 PM
 
Moonrise: 11:59 PM
Moonset: 10:41 AM
Moon Phase:  Waning Gibbous
Moonphase:
Waning Gibbous
Wind Direction:  SW
Direction: SW (214°)
Speed: 6Mph(10Km, 5Kts)
Details for Thursday, May 30
Considerable cloudiness. Highs in the upper 80s and lows in the upper 60s.
UV Index: 8 (Very High)
Ultraviolet Radiation Index
Relative Humidity: 63%
Relative Humidity
Precipitation: 10%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 61%
Cloud Coverage
Sunrise: 5:45 AM
Sunset: 8:28 PM
 
Moonrise: 12:29 AM
Moonset: 11:49 AM
Moon Phase:  Waning Gibbous
Moonphase:
Waning Gibbous
Wind Direction:  SW
Direction: SW (225°)
Speed: 7Mph(12Km, 6Kts)
Details for Friday, May 31
Mix of sun and clouds. Highs in the upper 80s and lows in the upper 60s.
UV Index: 9 (Very High)
Ultraviolet Radiation Index
Relative Humidity: 59%
Relative Humidity
Precipitation: 10%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 28%
Cloud Coverage
Sunrise: 5:45 AM
Sunset: 8:28 PM
 
Moonrise: 1:04 AM
Moonset: 12:55 PM
Moon Phase:  Waning Gibbous
Moonphase:
Waning Gibbous
Wind Direction:  WSW
Direction: WSW (239°)
Speed: 7Mph(12Km, 6Kts)
Details for Saturday, June 01
Sunshine. Highs in the mid 80s and lows in the upper 60s.
UV Index: 9 (Very High)
Ultraviolet Radiation Index
Relative Humidity: 60%
Relative Humidity
Precipitation: 0%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 5%
Cloud Coverage
Sunrise: 5:44 AM
Sunset: 8:29 PM
 
Moonrise: 1:36 AM
Moonset: 1:59 PM
Moon Phase:  Last Quarter
Moonphase:
Last Quarter
Wind Direction:  S
Direction: S (191°)
Speed: 9Mph(15Km, 8Kts)
Details for Sunday, June 02
A few clouds. Highs in the mid 80s and lows in the upper 60s.
UV Index: 9 (Very High)
Ultraviolet Radiation Index
Relative Humidity: 61%
Relative Humidity
Precipitation: 0%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 7%
Cloud Coverage
Sunrise: 5:44 AM
Sunset: 8:30 PM
 
Moonrise: 2:08 AM
Moonset: 3:00 PM
Moon Phase:  Waning Crescent
Moonphase:
Waning Crescent
Wind Direction:  S
Direction: S (188°)
Speed: 10Mph(16Km, 9Kts)
Details for Monday, June 03
More clouds than sun. Highs in the mid 80s and lows in the mid 60s.
UV Index: 9 (Very High)
Ultraviolet Radiation Index
Relative Humidity: 62%
Relative Humidity
Precipitation: 40%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 60%
Cloud Coverage
Sunrise: 5:44 AM
Sunset: 8:30 PM
 
Moonrise: 2:39 AM
Moonset: 4:00 PM
Moon Phase:  Waning Crescent
Moonphase:
Waning Crescent
Wind Direction:  SSW
Direction: SSW (197°)
Speed: 7Mph(12Km, 6Kts)
Chart.
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