Fire Weather Concerns and Severe Weather

Dry and breezy conditions will bring elevated to critical fire weather conditions across portions of the northern and central High Plains through this weekend, where fuels remain largely receptive. Severe thunderstorms and heavy rainfall are possible from the Plains into the Upper Midwest, as well as in the Ohio Valley and portions of the Mid-Atlantic through this weekend. Read More >

Hazardous Weather Conditions

Current conditions at

Gaithersburg - Montgomery County Airport (KGAI)

Lat: 39.17°NLon: 77.17°WElev: 495ft.

A Few Clouds

83°F

28°C

Humidity 72%
Wind Speed W 7 mph
Barometer 29.94 in (1014.7 mb)
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index89°F (32°C)
Last update 13 Sep 12:56 pm EDT
Extended Forecast for

Olney MD

  • This Afternoon

    This Afternoon: Scattered showers and thunderstorms, mainly between 2pm and 4pm.  Mostly sunny, with a high near 85. Calm wind becoming west around 6 mph.  Chance of precipitation is 30%.

    High: 85 °F

    Scattered
    T-storms

  • Tonight

    Tonight: Partly cloudy, with a low around 67. West wind 3 to 7 mph.

    Low: 67 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 77. North wind 11 to 14 mph, with gusts as high as 24 mph.

    High: 77 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 52. Northeast wind 3 to 6 mph.

    Low: 52 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 78. Light and variable wind.

    High: 78 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 56.

    Low: 56 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 82.

    High: 82 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 62.

    Low: 62 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 84.

    High: 84 °F

    Sunny

Detailed Forecast

This Afternoon
Scattered showers and thunderstorms, mainly between 2pm and 4pm. Mostly sunny, with a high near 85. Calm wind becoming west around 6 mph. Chance of precipitation is 30%.
Tonight
Partly cloudy, with a low around 67. West wind 3 to 7 mph.
Monday
Sunny, with a high near 77. North wind 11 to 14 mph, with gusts as high as 24 mph.
Monday Night
Clear, with a low around 52. Northeast wind 3 to 6 mph.
Tuesday
Sunny, with a high near 78. Light and variable wind.
Tuesday Night
Mostly clear, with a low around 56.
Wednesday
Sunny, with a high near 82.
Wednesday Night
Mostly clear, with a low around 62.
Thursday
Sunny, with a high near 84.
Thursday Night
A slight chance of showers before 2am. Partly cloudy, with a low around 64. Chance of precipitation is 20%.
Friday
A chance of showers. Mostly sunny, with a high near 84. Chance of precipitation is 30%.
Friday Night
A chance of showers. Mostly cloudy, with a low around 63. Chance of precipitation is 30%.
Saturday
A chance of showers. Partly sunny, with a high near 81. Chance of precipitation is 40%.
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ABOUT THIS FORECAST

 
Point Forecast:
Olney MD
 39.16°N 77.06°W (Elev. 486 ft)
1:31 pm EDT Sep 13, 2026
1pm EDT Sep 13, 2026-6pm EDT Sep 19, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database