Derwood, Maryland
Current Conditions -  °F | °C
As of 4:35 AM on Tuesday 29 Jul 2014 (Local Time) from KGAI Reporting Station
Clear Clear  
Wind Chill: 61°   Ceiling: Unl
Heat Index: 61°   Visibility: 10mi
Dew Point: 54°   Wind: 8mph
Humidity: 77%   Direction: 300°WNW
Pressure: 29.91"   Gusts: NA
Location:  39.12°N, 77.16°W
Report Text: KGAI 290835Z AUTO 30007KT 10SM CLR 16/12 A2991 RMK AO1
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Tropical Storm Tracking
Hourly Forecast -  °F | °C
Hi 77° - Lo 55°
5 AM
Clear
Clear
60°
6 AM
Clear
Clear
60°
7 AM
Sunny
Sunny
60°
8 AM
Sunny
Sunny
61°
9 AM
Sunny
Sunny
63°
10 AM
M Sunny
M Sunny
66°
Weather Maps
Daily Forecast -  °F | °C
tue wed thu fri sat sun mon tue wed thu
jul
29
Sunny
Sunny
77°
55°
jul
30
M Sunny
M Sunny
82°
61°
jul
31
P Cloudy
P Cloudy
84°
63°
aug
01
Iso T-Storms
Iso T-Storms
84°
63°
aug
02
Iso T-Storms
Iso T-Storms
82°
63°
aug
03
Sct T-Storms
Sct T-Storms
84°
65°
aug
04
P Cloudy
P Cloudy
88°
66°
aug
05
P Cloudy
P Cloudy
85°
64°
aug
06
Sunny
Sunny
83°
63°
aug
07
PM T-Storms
PM T-Storms
82°
63°
Details for Tuesday, July 29
Sunny. High 77F. Winds NW at 5 to 10 mph.
Evening: Mainly clear. Near record low temperatures. Low near 55F. Winds light and variable.
UV Index: 9 (Very High)
Ultraviolet Radiation Index
Relative Humidity: 56%
Relative Humidity
Precipitation: 0%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 14%
Cloud Coverage
Sunrise: 6:06 AM
Sunset: 8:23 PM
 
Moonrise: 8:40 AM
Moonset: 9:36 PM
Moon Phase:  Waxing Crescent
Moonphase:
Waxing Crescent
Wind Direction:  NW
Direction: NW (307°)
Speed: 7Mph(12Km, 6Kts)
Details for Wednesday, July 30
Except for a few afternoon clouds, mainly sunny. High 82F. Winds light and variable.
Evening: Partly cloudy. Low 61F. Winds light and variable.
UV Index: 9 (Very High)
Ultraviolet Radiation Index
Relative Humidity: 52%
Relative Humidity
Precipitation: 20%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 13%
Cloud Coverage
Sunrise: 6:07 AM
Sunset: 8:22 PM
 
Moonrise: 9:35 AM
Moonset: 10:06 PM
Moon Phase:  Waxing Crescent
Moonphase:
Waxing Crescent
Wind Direction:  W
Direction: W (270°)
Speed: 5Mph(8Km, 4Kts)
Details for Thursday, July 31
Mix of sun and clouds. Highs in the mid 80s and lows in the low 60s.
UV Index: 9 (Very High)
Ultraviolet Radiation Index
Relative Humidity: 61%
Relative Humidity
Precipitation: 20%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 17%
Cloud Coverage
Sunrise: 6:08 AM
Sunset: 8:21 PM
 
Moonrise: 10:31 AM
Moonset: 10:35 PM
Moon Phase:  Waxing Crescent
Moonphase:
Waxing Crescent
Wind Direction:  WSW
Direction: WSW (243°)
Speed: 5Mph(8Km, 4Kts)
Details for Friday, August 01
Partly cloudy with a stray thunderstorm. Highs in the mid 80s and lows in the low 60s.
UV Index: 10 (Very High)
Ultraviolet Radiation Index
Relative Humidity: 59%
Relative Humidity
Precipitation: 30%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 31%
Cloud Coverage
Sunrise: 6:09 AM
Sunset: 8:20 PM
 
Moonrise: 11:28 AM
Moonset: 11:06 PM
Moon Phase:  Waxing Crescent
Moonphase:
Waxing Crescent
Wind Direction:  SSE
Direction: SSE (152°)
Speed: 7Mph(12Km, 6Kts)
Details for Saturday, August 02
Slight chance of a thunderstorm. Highs in the low 80s and lows in the low 60s.
UV Index: 10 (Very High)
Ultraviolet Radiation Index
Relative Humidity: 65%
Relative Humidity
Precipitation: 30%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 40%
Cloud Coverage
Sunrise: 6:10 AM
Sunset: 8:19 PM
 
Moonrise: 12:26 PM
Moonset: 11:39 PM
Moon Phase:  Waxing Crescent
Moonphase:
Waxing Crescent
Wind Direction:  E
Direction: E (99°)
Speed: 7Mph(12Km, 6Kts)
Details for Sunday, August 03
Scattered thunderstorms. Highs in the mid 80s and lows in the mid 60s.
UV Index: 8 (Very High)
Ultraviolet Radiation Index
Relative Humidity: 69%
Relative Humidity
Precipitation: 40%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 72%
Cloud Coverage
Sunrise: 6:11 AM
Sunset: 8:18 PM
 
Moonrise: 1:26 PM
Moonset: 12:01 AM
Moon Phase:  First Quarter
Moonphase:
First Quarter
Wind Direction:  ESE
Direction: ESE (114°)
Speed: 4Mph(7Km, 3Kts)
Details for Monday, August 04
Partly cloudy. Highs in the upper 80s and lows in the mid 60s.
UV Index: 9 (Very High)
Ultraviolet Radiation Index
Relative Humidity: 73%
Relative Humidity
Precipitation: 20%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 40%
Cloud Coverage
Sunrise: 6:12 AM
Sunset: 8:17 PM
 
Moonrise: 2:27 PM
Moonset: 12:16 AM
Moon Phase:  Waxing Gibbous
Moonphase:
Waxing Gibbous
Wind Direction:  SW
Direction: SW (235°)
Speed: 4Mph(7Km, 3Kts)
Details for Tuesday, August 05
Times of sun and clouds. Highs in the mid 80s and lows in the mid 60s.
UV Index: 9 (Very High)
Ultraviolet Radiation Index
Relative Humidity: 67%
Relative Humidity
Precipitation: 20%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 38%
Cloud Coverage
Sunrise: 6:13 AM
Sunset: 8:16 PM
 
Moonrise: 3:28 PM
Moonset: 12:58 AM
Moon Phase:  Waxing Gibbous
Moonphase:
Waxing Gibbous
Wind Direction:  W
Direction: W (276°)
Speed: 5Mph(8Km, 4Kts)
Details for Wednesday, August 06
Sunshine. Highs in the low 80s and lows in the low 60s.
UV Index: 9 (Very High)
Ultraviolet Radiation Index
Relative Humidity: 62%
Relative Humidity
Precipitation: 10%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 11%
Cloud Coverage
Sunrise: 6:13 AM
Sunset: 8:15 PM
 
Moonrise: 4:29 PM
Moonset: 1:47 AM
Moon Phase:  Waxing Gibbous
Moonphase:
Waxing Gibbous
Wind Direction:  NW
Direction: NW (306°)
Speed: 6Mph(10Km, 5Kts)
Details for Thursday, August 07
Afternoon showers and thunderstorms. Highs in the low 80s and lows in the low 60s.
UV Index: 9 (Very High)
Ultraviolet Radiation Index
Relative Humidity: 71%
Relative Humidity
Precipitation: 80%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 40%
Cloud Coverage
Sunrise: 6:14 AM
Sunset: 8:14 PM
 
Moonrise: 5:28 PM
Moonset: 2:43 AM
Moon Phase:  Waxing Gibbous
Moonphase:
Waxing Gibbous
Wind Direction:  SSW
Direction: SSW (201°)
Speed: 5Mph(8Km, 4Kts)
Daily Forecast Chart
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