Marriottsville, Maryland
Current Conditions -  °F | °C
As of 8:54 PM on Tuesday 22 Jul 2014 (Local Time) from KBWI Reporting Station
Scattered Clouds Scattered Clouds  
Wind Chill: 77°   Ceiling: Unl
Heat Index: 79°   Visibility: 10mi
Dew Point: 65°   Wind: 3mph
Humidity: 66%   Direction: 160°SSE
Pressure: 30.08"   Gusts: NA
Location:  39.32°N, 76.92°W
Report Text: KBWI 230054Z 16003KT 10SM FEW055 SCT090 SCT250 25/18 A3008 RMK AO2 SLP184 T02500183
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Tropical Storm Tracking
Hourly Forecast -  °F | °C
Hi 84° - Lo 69°
10 PM
Clear
Clear
74°
11 PM
Clear
Clear
72°
12 AM
Clear
Clear
71°
1 AM
Clear
Clear
70°
2 AM
Clear
Clear
70°
3 AM
Clear
Clear
70°
Weather Maps
Daily Forecast -  °F | °C
tue wed thu fri sat sun mon tue wed thu
jul
22
M Clear
M Clear
84°
69°
jul
23
PM T-Storms
PM T-Storms
93°
68°
jul
24
P Cloudy
P Cloudy
79°
58°
jul
25
Sunny
Sunny
82°
63°
jul
26
P Cloudy
P Cloudy
88°
68°
jul
27
Sct T-Storms
Sct T-Storms
85°
66°
jul
28
Sct T-Storms
Sct T-Storms
84°
60°
jul
29
M Sunny
M Sunny
79°
58°
jul
30
M Cloudy
M Cloudy
80°
60°
jul
31
P Cloudy
P Cloudy
81°
63°
Details for Tuesday, July 22 (Evening)
Evening: Generally clear. Low 69F. Winds light and variable.
UV Index: 10 (Very High)
Ultraviolet Radiation Index
Relative Humidity: 92%
Relative Humidity
Precipitation: 10%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 15%
Cloud Coverage
Sunrise: 5:59 AM
Sunset: 8:29 PM
 
Moonrise: 2:31 AM
Moonset: 5:05 PM
Moon Phase:  Waning Crescent
Moonphase:
Waning Crescent
Wind Direction:  S
Direction: S (187°)
Speed: 5Mph(8Km, 4Kts)
Details for Wednesday, July 23
Mostly sunny in the morning then increasing clouds with some scattered thunderstorms later in the day. A few storms may be severe. High 93F. Winds SW at 5 to 10 mph. Chance of rain 50%.
Evening: Variable clouds with scattered thunderstorms. Low 68F. Winds NW at 5 to 10 mph. Chance of rain 50%.
UV Index: 10 (Very High)
Ultraviolet Radiation Index
Relative Humidity: 66%
Relative Humidity
Precipitation: 50%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 23%
Cloud Coverage
Sunrise: 6:00 AM
Sunset: 8:28 PM
 
Moonrise: 3:17 AM
Moonset: 5:56 PM
Moon Phase:  Waning Crescent
Moonphase:
Waning Crescent
Wind Direction:  SW
Direction: SW (229°)
Speed: 8Mph(13Km, 7Kts)
Details for Thursday, July 24
Times of sun and clouds. Highs in the upper 70s and lows in the upper 50s.
UV Index: 9 (Very High)
Ultraviolet Radiation Index
Relative Humidity: 75%
Relative Humidity
Precipitation: 20%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 54%
Cloud Coverage
Sunrise: 6:01 AM
Sunset: 8:28 PM
 
Moonrise: 4:07 AM
Moonset: 6:41 PM
Moon Phase:  Waning Crescent
Moonphase:
Waning Crescent
Wind Direction:  N
Direction: N (350°)
Speed: 8Mph(13Km, 7Kts)
Details for Friday, July 25
Sunny. Highs in the low 80s and lows in the low 60s.
UV Index: 9 (Very High)
Ultraviolet Radiation Index
Relative Humidity: 52%
Relative Humidity
Precipitation: 0%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 6%
Cloud Coverage
Sunrise: 6:02 AM
Sunset: 8:27 PM
 
Moonrise: 4:59 AM
Moonset: 7:23 PM
Moon Phase:  Waning Crescent
Moonphase:
Waning Crescent
Wind Direction:  WNW
Direction: WNW (298°)
Speed: 6Mph(10Km, 5Kts)
Details for Saturday, July 26
Times 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: 58%
Relative Humidity
Precipitation: 10%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 51%
Cloud Coverage
Sunrise: 6:02 AM
Sunset: 8:26 PM
 
Moonrise: 5:53 AM
Moonset: 8:00 PM
Moon Phase:  Waning Crescent
Moonphase:
Waning Crescent
Wind Direction:  SSW
Direction: SSW (207°)
Speed: 7Mph(12Km, 6Kts)
Details for Sunday, July 27
Scattered thunderstorms. Highs in the mid 80s and lows in the mid 60s.
UV Index: 9 (Very High)
Ultraviolet Radiation Index
Relative Humidity: 69%
Relative Humidity
Precipitation: 60%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 61%
Cloud Coverage
Sunrise: 6:03 AM
Sunset: 8:25 PM
 
Moonrise: 6:48 AM
Moonset: 8:34 PM
Moon Phase:  New
Moonphase:
New
Wind Direction:  WSW
Direction: WSW (237°)
Speed: 8Mph(13Km, 7Kts)
Details for Monday, July 28
Scattered thunderstorms possible. Highs in the mid 80s and lows in the low 60s.
UV Index: 9 (Very High)
Ultraviolet Radiation Index
Relative Humidity: 71%
Relative Humidity
Precipitation: 60%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 55%
Cloud Coverage
Sunrise: 6:04 AM
Sunset: 8:24 PM
 
Moonrise: 7:43 AM
Moonset: 9:06 PM
Moon Phase:  Waxing Crescent
Moonphase:
Waxing Crescent
Wind Direction:  SW
Direction: SW (224°)
Speed: 9Mph(15Km, 8Kts)
Details for Tuesday, July 29
More sun than clouds. Highs in the upper 70s and lows in the upper 50s.
UV Index: 9 (Very High)
Ultraviolet Radiation Index
Relative Humidity: 66%
Relative Humidity
Precipitation: 0%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 17%
Cloud Coverage
Sunrise: 6:05 AM
Sunset: 8:23 PM
 
Moonrise: 8:39 AM
Moonset: 9:36 PM
Moon Phase:  Waxing Crescent
Moonphase:
Waxing Crescent
Wind Direction:  WNW
Direction: WNW (290°)
Speed: 7Mph(12Km, 6Kts)
Details for Wednesday, July 30
More clouds than sun. Highs in the low 80s and lows in the low 60s.
UV Index: 9 (Very High)
Ultraviolet Radiation Index
Relative Humidity: 64%
Relative Humidity
Precipitation: 0%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 35%
Cloud Coverage
Sunrise: 6:06 AM
Sunset: 8:22 PM
 
Moonrise: 9:34 AM
Moonset: 10:05 PM
Moon Phase:  Waxing Crescent
Moonphase:
Waxing Crescent
Wind Direction:  ESE
Direction: ESE (116°)
Speed: 5Mph(8Km, 4Kts)
Details for Thursday, July 31
Mix of sun and clouds. Highs in the low 80s and lows in the low 60s.
UV Index: 9 (Very High)
Ultraviolet Radiation Index
Relative Humidity: 73%
Relative Humidity
Precipitation: 40%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 42%
Cloud Coverage
Sunrise: 6:07 AM
Sunset: 8:21 PM
 
Moonrise: 10:31 AM
Moonset: 10:34 PM
Moon Phase:  Waxing Crescent
Moonphase:
Waxing Crescent
Wind Direction:  ESE
Direction: ESE (115°)
Speed: 6Mph(10Km, 5Kts)
Daily Forecast Chart
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