Gaithersburg, Maryland
Current Conditions -  °F | °C
As of 10:15 AM on Monday 01 Sep 2014 (Local Time) from KGAI Reporting Station
Clear Clear  
Wind Chill: 81°   Ceiling: Unl
Heat Index: 85°   Visibility: 10mi
Dew Point: 72°   Wind: 3mph
Humidity: 74%   Direction: 250°WSW
Pressure: 30.06"   Gusts: NA
Location:  39.14°N, 77.19°W
Report Text: KGAI 011415Z AUTO 25003KT 10SM CLR 27/22 A3006 RMK AO1
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Personal Weather Stations






























Hourly Forecast -  °F | °C
Hi 87° - Lo 69°
11 AM
P Cloudy
P Cloudy
80°
12 PM
Sct T-Storms
Sct T-Storms
81°
1 PM
Sct T-Storms
Sct T-Storms
83°
2 PM
Iso T-Storms
Iso T-Storms
83°
3 PM
Iso T-Storms
Iso T-Storms
84°
4 PM
Iso T-Storms
Iso T-Storms
85°
Weather Maps
Daily Forecast -  °F | °C
mon tue wed thu fri sat sun mon tue wed
sep
01
Sct T-Storms
Sct T-Storms
87°
69°
sep
02
P Cloudy
P Cloudy
93°
69°
sep
03
Sunny
Sunny
87°
66°
sep
04
M Sunny
M Sunny
89°
67°
sep
05
P Cloudy
P Cloudy
90°
70°
sep
06
PM T-Storms
PM T-Storms
86°
65°
sep
07
Showers
Showers
79°
59°
sep
08
AM Showers
AM Showers
76°
58°
sep
09
Showers
Showers
76°
60°
sep
10
AM Showers
AM Showers
79°
62°
Details for Monday, September 01
Variable clouds with scattered thunderstorms. High 87F. Winds WSW at 5 to 10 mph. Chance of rain 40%.
Evening: Generally clear. Low 69F. Winds light and variable.
UV Index: 8 (Very High)
Ultraviolet Radiation Index
Relative Humidity: 70%
Relative Humidity
Precipitation: 40%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 37%
Cloud Coverage
Sunrise: 6:37 AM
Sunset: 7:39 PM
 
Moonrise: 1:17 PM
Moonset: 11:41 PM
Moon Phase:  Waxing Crescent
Moonphase:
Waxing Crescent
Wind Direction:  W
Direction: W (259°)
Speed: 7Mph(12Km, 8Kts)
Details for Tuesday, September 02
Partly cloudy skies. A stray afternoon thunderstorm is possible. High 93F. Winds WSW at 5 to 10 mph.
Evening: Widely scattered showers or a thunderstorm early. Then partly cloudy. Low 69F. Winds WNW at 5 to 10 mph. Chance of rain 30%.
UV Index: 8 (Very High)
Ultraviolet Radiation Index
Relative Humidity: 60%
Relative Humidity
Precipitation: 20%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 38%
Cloud Coverage
Sunrise: 6:37 AM
Sunset: 7:38 PM
 
Moonrise: 2:16 PM
Moonset: 12:01 AM
Moon Phase:  First Quarter
Moonphase:
First Quarter
Wind Direction:  WSW
Direction: WSW (239°)
Speed: 10Mph(16Km, 11Kts)
Details for Wednesday, September 03
Mainly sunny. Highs in the upper 80s and lows in the mid 60s.
UV Index: 8 (Very High)
Ultraviolet Radiation Index
Relative Humidity: 59%
Relative Humidity
Precipitation: 10%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 12%
Cloud Coverage
Sunrise: 6:38 AM
Sunset: 7:36 PM
 
Moonrise: 3:14 PM
Moonset: 12:31 AM
Moon Phase:  Waxing Gibbous
Moonphase:
Waxing Gibbous
Wind Direction:  NNW
Direction: NNW (332°)
Speed: 7Mph(11Km, 8Kts)
Details for Thursday, September 04
Mostly sunny. Highs in the upper 80s and lows in the upper 60s.
UV Index: 8 (Very High)
Ultraviolet Radiation Index
Relative Humidity: 58%
Relative Humidity
Precipitation: 0%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 18%
Cloud Coverage
Sunrise: 6:39 AM
Sunset: 7:34 PM
 
Moonrise: 4:08 PM
Moonset: 1:30 AM
Moon Phase:  Waxing Gibbous
Moonphase:
Waxing Gibbous
Wind Direction:  SSE
Direction: SSE (154°)
Speed: 7Mph(11Km, 8Kts)
Details for Friday, September 05
Partly cloudy. Highs in the low 90s and lows in the low 70s.
UV Index: 8 (Very High)
Ultraviolet Radiation Index
Relative Humidity: 74%
Relative Humidity
Precipitation: 20%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 35%
Cloud Coverage
Sunrise: 6:40 AM
Sunset: 7:33 PM
 
Moonrise: 4:58 PM
Moonset: 2:33 AM
Moon Phase:  Waxing Gibbous
Moonphase:
Waxing Gibbous
Wind Direction:  S
Direction: S (190°)
Speed: 7Mph(12Km, 9Kts)
Details for Saturday, September 06
Showers and thunderstorms late. Highs in the mid 80s and lows in the mid 60s.
UV Index: 8 (Very High)
Ultraviolet Radiation Index
Relative Humidity: 72%
Relative Humidity
Precipitation: 40%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 35%
Cloud Coverage
Sunrise: 6:41 AM
Sunset: 7:31 PM
 
Moonrise: 5:45 PM
Moonset: 3:42 AM
Moon Phase:  Waxing Gibbous
Moonphase:
Waxing Gibbous
Wind Direction:  W
Direction: W (271°)
Speed: 8Mph(13Km, 9Kts)
Details for Sunday, September 07
Chance of showers. Highs in the upper 70s and lows in the upper 50s.
UV Index: 8 (Very High)
Ultraviolet Radiation Index
Relative Humidity: 76%
Relative Humidity
Precipitation: 40%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 32%
Cloud Coverage
Sunrise: 6:42 AM
Sunset: 7:30 PM
 
Moonrise: 6:27 PM
Moonset: 4:54 AM
Moon Phase:  Waxing Gibbous
Moonphase:
Waxing Gibbous
Wind Direction:  NNE
Direction: NNE (15°)
Speed: 6Mph(10Km, 7Kts)
Details for Monday, September 08
A few morning showers. Highs in the mid 70s and lows in the upper 50s.
UV Index: 8 (Very High)
Ultraviolet Radiation Index
Relative Humidity: 68%
Relative Humidity
Precipitation: 40%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 42%
Cloud Coverage
Sunrise: 6:43 AM
Sunset: 7:28 PM
 
Moonrise: 7:07 PM
Moonset: 6:06 AM
Moon Phase:  Waxing Gibbous
Moonphase:
Waxing Gibbous
Wind Direction:  NE
Direction: NE (54°)
Speed: 7Mph(11Km, 8Kts)
Details for Tuesday, September 09
Showers. Highs in the mid 70s and lows in the low 60s.
UV Index: 6 (High)
Ultraviolet Radiation Index
Relative Humidity: 74%
Relative Humidity
Precipitation: 50%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 60%
Cloud Coverage
Sunrise: 6:44 AM
Sunset: 7:26 PM
 
Moonrise: 7:45 PM
Moonset: 7:19 AM
Moon Phase:  Full
Moonphase:
Full
Wind Direction:  E
Direction: E (90°)
Speed: 7Mph(11Km, 8Kts)
Details for Wednesday, September 10
Showers ending by midday. Highs in the upper 70s and lows in the low 60s.
UV Index: 6 (High)
Ultraviolet Radiation Index
Relative Humidity: 74%
Relative Humidity
Precipitation: 40%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 61%
Cloud Coverage
Sunrise: 6:45 AM
Sunset: 7:25 PM
 
Moonrise: 8:23 PM
Moonset: 8:30 AM
Moon Phase:  Waning Gibbous
Moonphase:
Waning Gibbous
Wind Direction:  SE
Direction: SE (138°)
Speed: 7Mph(11Km, 8Kts)
Daily Forecast Chart
Chart.
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