National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Gaithersburg - Montgomery County Airport (KGAI)

Lat: 39.17°NLon: 77.17°WElev: 495ft.

Fair

9°C

49°F

Humidity 80%
Wind Speed NW 6 km/h
Barometer 1024.7 mb (30.22 in)
Dewpoint 6°C (43°F)
Visibility 16 km
Last update 31 May 6:56 am EDT
Extended Forecast for

Olney MD

  • Today

    Today: Sunny, with a high near 23. North wind 13 to 23 km/h, with gusts as high as 32 km/h.

    High: 23 °C

    Sunny

  • Tonight

    Tonight: Clear, with a low around 11. Northwest wind 5 to 8 km/h.

    Low: 11 °C

    Clear

  • Saturday

    Saturday: Sunny, with a high near 27. Calm wind.

    High: 27 °C

    Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 16. South wind around 11 km/h.

    Low: 16 °C

    Mostly Cloudy

  • Sunday

    Sunday: A slight chance of showers, then a chance of showers and thunderstorms after 2pm. Mostly cloudy, with a high near 26. South wind 11 to 16 km/h. Chance of precipitation is 30%.

    High: 26 °C

    Slight Chance
    Showers then
    Chance
    T-storms

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms before 11pm, then a chance of showers between 11pm and 2am, then a slight chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 16. Chance of precipitation is 40%.

    Low: 16 °C

    Chance
    T-storms then
    Chance
    Showers

  • Monday

    Monday: Mostly sunny, with a high near 27.

    High: 27 °C

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 17.

    Low: 17 °C

    Partly Cloudy

  • Tuesday

    Tuesday: A chance of showers after 2pm. Partly sunny, with a high near 28. Chance of precipitation is 30%.

    High: 28 °C

    Partly Sunny
    then Chance
    Showers

Detailed Forecast

Today
Sunny, with a high near 23. North wind 13 to 23 km/h, with gusts as high as 32 km/h.
Tonight
Clear, with a low around 11. Northwest wind 5 to 8 km/h.
Saturday
Sunny, with a high near 27. Calm wind.
Saturday Night
Mostly cloudy, with a low around 16. South wind around 11 km/h.
Sunday
A slight chance of showers, then a chance of showers and thunderstorms after 2pm. Mostly cloudy, with a high near 26. South wind 11 to 16 km/h. Chance of precipitation is 30%.
Sunday Night
A chance of showers and thunderstorms before 11pm, then a chance of showers between 11pm and 2am, then a slight chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 16. Chance of precipitation is 40%.
Monday
Mostly sunny, with a high near 27.
Monday Night
Partly cloudy, with a low around 17.
Tuesday
A chance of showers after 2pm. Partly sunny, with a high near 28. Chance of precipitation is 30%.
Tuesday Night
A chance of showers before 8pm, then a chance of showers and thunderstorms between 8pm and 2am. Mostly cloudy, with a low around 18. Chance of precipitation is 30%.
Wednesday
A chance of showers and thunderstorms. Partly sunny, with a high near 26. Chance of precipitation is 50%.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 18. Chance of precipitation is 40%.
Thursday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 28. Chance of precipitation is 60%.
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ABOUT THIS FORECAST

 
Point Forecast:
Olney MD
 39.16°N 77.06°W (Elev. 486 m)
Last Update:
7:29 am EDT May 31, 2024
Forecast Valid:
7am EDT May 31, 2024-6pm EDT Jun 6, 2024
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation