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Isolated Severe Thunderstorms for the Northeast/Mid-Atlantic; Santa Ana Winds for Southern California

Isolated severe thunderstorms will bring the potential for a few damaging wind gusts across portions of the Northeast and Mid-Atlantic regions Saturday. On the West Coast, gusty Santa Ana winds will create critical fire weather conditions over southern California. Read More >

Hazardous Weather Conditions

Current conditions at

Gaithersburg - Montgomery County Airport (KGAI)

Lat: 39.17°NLon: 77.17°WElev: 495ft.

Fair

20°C

68°F

Humidity 84%
Wind Speed S 11 km/h
Barometer 1008.7 mb (29.76 in)
Dewpoint 17°C (63°F)
Visibility 16 km
Last update 16 Oct 8:56 am EDT
Extended Forecast for

Rockville MD

  • Today

    Today: Showers likely, then showers and possibly a thunderstorm after 3pm. Some of the storms could produce gusty winds. High near 27. Breezy, with a south wind 16 to 21 km/h becoming west 30 to 35 km/h in the afternoon. Winds could gust as high as 55 km/h. Chance of precipitation is 80%. New rainfall amounts between 2.5 and 5 mm possible.

    Scattered
    Showers then
    Showers and
    Breezy

    High: 27 °C

  • Tonight

    Tonight: Showers likely, mainly before 9pm. Cloudy during the early evening, then gradual clearing, with a low around 9. Northwest wind 14 to 18 km/h, with gusts as high as 47 km/h. Chance of precipitation is 60%. New precipitation amounts between 1 and 2.5 mm possible.

    Showers
    Likely then
    Clear

    Low: 9 °C

  • Sunday

    Sunday: Sunny, with a high near 18. Northwest wind 14 to 19 km/h increasing to 21 to 26 km/h in the afternoon. Winds could gust as high as 47 km/h.

    Sunny

    High: 18 °C

  • Sunday
    Night

    Sunday Night: Mostly clear, with a low around 8. Northwest wind 11 to 16 km/h, with gusts as high as 32 km/h.

    Mostly Clear

    Low: 8 °C

  • Monday

    Monday: Sunny, with a high near 18. Northwest wind 13 to 18 km/h increasing to 19 to 24 km/h in the afternoon. Winds could gust as high as 39 km/h.

    Sunny

    High: 18 °C

  • Monday
    Night

    Monday Night: Mostly clear, with a low around 7.

    Mostly Clear

    Low: 7 °C

  • Tuesday

    Tuesday: Sunny, with a high near 21.

    Sunny

    High: 21 °C

  • Tuesday
    Night

    Tuesday Night: Mostly clear, with a low around 10.

    Mostly Clear

    Low: 10 °C

  • Wednesday

    Wednesday: Sunny, with a high near 22.

    Sunny

    High: 22 °C

Detailed Forecast

Today
Showers likely, then showers and possibly a thunderstorm after 3pm. Some of the storms could produce gusty winds. High near 27. Breezy, with a south wind 16 to 21 km/h becoming west 30 to 35 km/h in the afternoon. Winds could gust as high as 55 km/h. Chance of precipitation is 80%. New rainfall amounts between 2.5 and 5 mm possible.
Tonight
Showers likely, mainly before 9pm. Cloudy during the early evening, then gradual clearing, with a low around 9. Northwest wind 14 to 18 km/h, with gusts as high as 47 km/h. Chance of precipitation is 60%. New precipitation amounts between 1 and 2.5 mm possible.
Sunday
Sunny, with a high near 18. Northwest wind 14 to 19 km/h increasing to 21 to 26 km/h in the afternoon. Winds could gust as high as 47 km/h.
Sunday Night
Mostly clear, with a low around 8. Northwest wind 11 to 16 km/h, with gusts as high as 32 km/h.
Monday
Sunny, with a high near 18. Northwest wind 13 to 18 km/h increasing to 19 to 24 km/h in the afternoon. Winds could gust as high as 39 km/h.
Monday Night
Mostly clear, with a low around 7.
Tuesday
Sunny, with a high near 21.
Tuesday Night
Mostly clear, with a low around 10.
Wednesday
Sunny, with a high near 22.
Wednesday Night
Mostly clear, with a low around 9.
Thursday
Sunny, with a high near 23.
Thursday Night
A chance of showers. Partly cloudy, with a low around 12. Chance of precipitation is 30%.
Friday
A chance of showers. Mostly sunny, with a high near 21. Chance of precipitation is 30%.
Click Map For Forecast
Disclaimer
Map Legend
Point Forecast:
Rockville MD
 39.08°N 77.16°W (Elev. 131 m)
Last Update:
8:53 am EDT Oct 16, 2021
Forecast Valid:
9am EDT Oct 16, 2021-6pm EDT Oct 22, 2021
 
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Additional Resources

Radar & Satellite Image

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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