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Current conditions at

Gaithersburg - Montgomery County Airport (KGAI)

Lat: 39.17°NLon: 77.17°WElev: 495ft.

Fair

82°F

28°C

Humidity	46%
Wind Speed	S 7 mph
Barometer	29.90 in (1013.1 mb)
Dewpoint	59°F (15°C)
Visibility	10.00 mi
Heat Index	82°F (28°C)
Last update	25 Jun 8:56 pm EDT

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

Ashton-Sandy Spring MD

Tonight
Low: 74 °F
Partly Cloudy
Wednesday
High: 96 °F
Mostly Sunny
then Chance
T-storms
Wednesday Night
Low: 69 °F
T-storms
Likely then
Showers
Likely
Thursday
High: 85 °F
Chance
Showers then
Sunny
Thursday Night
Low: 65 °F
Mostly Clear
Friday
High: 87 °F
Mostly Sunny
Friday Night
Low: 70 °F
Chance
T-storms
Saturday
High: 91 °F
Mostly Cloudy
then Chance
T-storms
Saturday Night
Low: 76 °F
Chance
T-storms

Detailed Forecast

Tonight

Partly cloudy, with a low around 74. Southwest wind around 8 mph.

Wednesday

A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 96. West wind 7 to 9 mph. Chance of precipitation is 50%.

Wednesday Night

Showers and thunderstorms likely before 11pm, then showers likely and possibly a thunderstorm between 11pm and 2am, then a chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 69. South wind around 9 mph becoming west after midnight. Chance of precipitation is 70%. New rainfall amounts between three quarters and one inch possible.

Thursday

A chance of showers and thunderstorms before 8am. Mostly cloudy, then gradually becoming sunny, with a high near 85. Northwest wind around 9 mph. Chance of precipitation is 30%.

Thursday Night

Mostly clear, with a low around 65. North wind around 7 mph.

Friday

Mostly sunny, with a high near 87.

Friday Night

A chance of showers and thunderstorms. Mostly cloudy, with a low around 70. Chance of precipitation is 40%.

Saturday

A chance of showers and thunderstorms after 2pm. Mostly cloudy, with a high near 91. Chance of precipitation is 40%.

Saturday Night

A chance of showers and thunderstorms. Mostly cloudy, with a low around 76. Chance of precipitation is 50%.

Sunday

A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 89. Chance of precipitation is 70%.