Gaithersburg, Maryland
Current Conditions -  °F | °C
As of 6:35 AM on Friday 18 Apr 2014 (Local Time) from KGAI Reporting Station
Overcast Overcast  
Wind Chill: 34°   Ceiling: 1800
Heat Index: 34°   Visibility: 10mi
Dew Point: 28°   Wind: 0mph
Humidity: 81%   Direction: NA
Pressure: 30.52"   Gusts: NA
Location:  39.14°N, 77.19°W
Report Text: KGAI 181035Z AUTO 00000KT 10SM OVC018 01/M02 A3052 RMK AO1
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Personal Weather Stations






























Hourly Forecast -  °F | °C
Hi 58° - Lo 42°
7 AM
Cloudy
Cloudy
35°
8 AM
M Cloudy
M Cloudy
37°
9 AM
M Cloudy
M Cloudy
39°
10 AM
M Cloudy
M Cloudy
43°
11 AM
M Cloudy
M Cloudy
46°
12 PM
M Cloudy
M Cloudy
49°
Weather Maps
Daily Forecast -  °F | °C
fri sat sun mon tue wed thu fri sat sun
apr
18
M Cloudy
M Cloudy
58°
42°
apr
19
P Cloudy
P Cloudy
67°
41°
apr
20
P Cloudy
P Cloudy
64°
38°
apr
21
Cloudy
Cloudy
68°
46°
apr
22
Iso T-Storms
Iso T-Storms
70°
45°
apr
23
M Sunny
M Sunny
61°
41°
apr
24
Sunny
Sunny
66°
45°
apr
25
Showers
Showers
74°
52°
apr
26
P Cloudy
P Cloudy
74°
47°
apr
27
Light Rain
Light Rain
63°
42°
Details for Friday, April 18
Mainly cloudy. A few peeks of sunshine possible. High 58F. Winds light and variable.
Evening: Partly to mostly cloudy. Low 42F. Winds light and variable.
UV Index: 6 (High)
Ultraviolet Radiation Index
Relative Humidity: 54%
Relative Humidity
Precipitation: 10%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 70%
Cloud Coverage
Sunrise: 6:28 AM
Sunset: 7:49 PM
 
Moonrise: 11:31 PM
Moonset: 8:49 AM
Moon Phase:  Waning Gibbous
Moonphase:
Waning Gibbous
Wind Direction:  ESE
Direction: ESE (106°)
Speed: 4Mph(7Km, 3Kts)
Details for Saturday, April 19
Partly cloudy. High 67F. Winds NNE at 5 to 10 mph.
Evening: A few clouds from time to time. Low 41F. Winds NE at 5 to 10 mph.
UV Index: 7 (High)
Ultraviolet Radiation Index
Relative Humidity: 50%
Relative Humidity
Precipitation: 0%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 49%
Cloud Coverage
Sunrise: 6:26 AM
Sunset: 7:50 PM
 
Moonrise: 11:59 PM
Moonset: 9:44 AM
Moon Phase:  Waning Gibbous
Moonphase:
Waning Gibbous
Wind Direction:  NNE
Direction: NNE (12°)
Speed: 9Mph(15Km, 8Kts)
Details for Sunday, April 20
Times of sun and clouds. Highs in the mid 60s and lows in the upper 30s.
UV Index: 7 (High)
Ultraviolet Radiation Index
Relative Humidity: 52%
Relative Humidity
Precipitation: 10%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 41%
Cloud Coverage
Sunrise: 6:25 AM
Sunset: 7:51 PM
 
Moonrise: 12:28 AM
Moonset: 10:44 AM
Moon Phase:  Waning Gibbous
Moonphase:
Waning Gibbous
Wind Direction:  E
Direction: E (86°)
Speed: 8Mph(13Km, 7Kts)
Details for Monday, April 21
Cloudy. Highs in the upper 60s and lows in the mid 40s.
UV Index: 5 (Moderate)
Ultraviolet Radiation Index
Relative Humidity: 67%
Relative Humidity
Precipitation: 10%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 78%
Cloud Coverage
Sunrise: 6:23 AM
Sunset: 7:52 PM
 
Moonrise: 1:20 AM
Moonset: 11:48 AM
Moon Phase:  Waning Gibbous
Moonphase:
Waning Gibbous
Wind Direction:  SE
Direction: SE (133°)
Speed: 8Mph(13Km, 7Kts)
Details for Tuesday, April 22
Slight chance of a thunderstorm. Highs in the low 70s and lows in the mid 40s.
UV Index: 6 (High)
Ultraviolet Radiation Index
Relative Humidity: 72%
Relative Humidity
Precipitation: 30%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 67%
Cloud Coverage
Sunrise: 6:22 AM
Sunset: 7:53 PM
 
Moonrise: 2:07 AM
Moonset: 12:55 PM
Moon Phase:  Last Quarter
Moonphase:
Last Quarter
Wind Direction:  SW
Direction: SW (236°)
Speed: 5Mph(8Km, 4Kts)
Details for Wednesday, April 23
Plenty of sun. Highs in the low 60s and lows in the low 40s.
UV Index: 8 (Very High)
Ultraviolet Radiation Index
Relative Humidity: 56%
Relative Humidity
Precipitation: 0%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 17%
Cloud Coverage
Sunrise: 6:21 AM
Sunset: 7:54 PM
 
Moonrise: 2:49 AM
Moonset: 2:02 PM
Moon Phase:  Waning Crescent
Moonphase:
Waning Crescent
Wind Direction:  NW
Direction: NW (322°)
Speed: 9Mph(15Km, 8Kts)
Details for Thursday, April 24
Abundant sunshine. Highs in the mid 60s and lows in the mid 40s.
UV Index: 8 (Very High)
Ultraviolet Radiation Index
Relative Humidity: 49%
Relative Humidity
Precipitation: 10%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 15%
Cloud Coverage
Sunrise: 6:19 AM
Sunset: 7:55 PM
 
Moonrise: 3:27 AM
Moonset: 3:10 PM
Moon Phase:  Waning Crescent
Moonphase:
Waning Crescent
Wind Direction:  NW
Direction: NW (325°)
Speed: 6Mph(10Km, 5Kts)
Details for Friday, April 25
Chance of showers. Highs in the mid 70s and lows in the low 50s.
UV Index: 8 (Very High)
Ultraviolet Radiation Index
Relative Humidity: 54%
Relative Humidity
Precipitation: 30%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 45%
Cloud Coverage
Sunrise: 6:18 AM
Sunset: 7:56 PM
 
Moonrise: 4:03 AM
Moonset: 4:17 PM
Moon Phase:  Waning Crescent
Moonphase:
Waning Crescent
Wind Direction:  SSW
Direction: SSW (194°)
Speed: 8Mph(13Km, 7Kts)
Details for Saturday, April 26
Partly cloudy. Highs in the mid 70s and lows in the upper 40s.
UV Index: 8 (Very High)
Ultraviolet Radiation Index
Relative Humidity: 57%
Relative Humidity
Precipitation: 60%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 44%
Cloud Coverage
Sunrise: 6:17 AM
Sunset: 7:57 PM
 
Moonrise: 4:39 AM
Moonset: 5:24 PM
Moon Phase:  Waning Crescent
Moonphase:
Waning Crescent
Wind Direction:  SW
Direction: SW (216°)
Speed: 10Mph(16Km, 9Kts)
Details for Sunday, April 27
Periods of light rain. Highs in the low 60s and lows in the low 40s.
UV Index: 6 (High)
Ultraviolet Radiation Index
Relative Humidity: 60%
Relative Humidity
Precipitation: 70%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 73%
Cloud Coverage
Sunrise: 6:15 AM
Sunset: 7:58 PM
 
Moonrise: 5:14 AM
Moonset: 6:30 PM
Moon Phase:  Waning Crescent
Moonphase:
Waning Crescent
Wind Direction:  NW
Direction: NW (322°)
Speed: 10Mph(16Km, 9Kts)
Daily Forecast Chart
Chart.
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