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

Strong to Severe Thunderstorms Continue Tonight in the East; Early Heat Wave in the West

Scattered strong to severe storms with damaging winds and potentially a tornado or two are expected tonight from the coastal Carolinas into the Mid-Atlantic states. An anomalously early heat wave will continue to intensify and expand across the West and Southwest as the week progresses. Numerous daily and potentially monthly record highs are expected to be broken. Read More >

Hazardous Weather Conditions

Current conditions at

Frederick Municipal Airport (KFDK)

Lat: 39.42°NLon: 77.37°WElev: 269ft.

Partly Cloudy

34°F

1°C

Humidity 66%
Wind Speed W 14 mph
Barometer 29.72 in
Dewpoint 24°F (-4°C)
Visibility 10.00 mi
Wind Chill25°F (-4°C)
Last update 17 Mar 2:15 am EDT
Extended Forecast for

Brownsville MD

  • Overnight

    Overnight: Partly cloudy, with a low around 27. Breezy, with a west wind 18 to 21 mph, with gusts as high as 36 mph.

    Low: 27 °F

    Partly Cloudy
    and Breezy

  • Tuesday

    Tuesday: Increasing clouds, with a high near 38. West wind around 16 mph, with gusts as high as 31 mph.

    High: 38 °F

    Increasing
    Clouds

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 23. Northwest wind 5 to 11 mph, with gusts as high as 21 mph.

    Low: 23 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 40. Calm wind becoming south 5 to 7 mph in the afternoon.

    High: 40 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 28. Southeast wind around 7 mph.

    Low: 28 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 52.

    High: 52 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 35.

    Low: 35 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 58.

    High: 58 °F

    Partly Sunny

  • Friday Night

    Friday Night: A chance of rain. Mostly cloudy, with a low around 43. Chance of precipitation is 30%.

    Low: 43 °F

    Chance Rain

Detailed Forecast

Overnight
Partly cloudy, with a low around 27. Breezy, with a west wind 18 to 21 mph, with gusts as high as 36 mph.
Tuesday
Increasing clouds, with a high near 38. West wind around 16 mph, with gusts as high as 31 mph.
Tuesday Night
Partly cloudy, with a low around 23. Northwest wind 5 to 11 mph, with gusts as high as 21 mph.
Wednesday
Mostly sunny, with a high near 40. Calm wind becoming south 5 to 7 mph in the afternoon.
Wednesday Night
Mostly cloudy, with a low around 28. Southeast wind around 7 mph.
Thursday
Partly sunny, with a high near 52.
Thursday Night
Partly cloudy, with a low around 35.
Friday
Partly sunny, with a high near 58.
Friday Night
A chance of rain. Mostly cloudy, with a low around 43. Chance of precipitation is 30%.
Saturday
Partly sunny, with a high near 60.
Saturday Night
Mostly cloudy, with a low around 44.
Sunday
Partly sunny, with a high near 67.
Sunday Night
A chance of rain. Mostly cloudy, with a low around 38. Chance of precipitation is 30%.
Monday
Mostly sunny, with a high near 52.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Brownsville MD
 39.38°N 77.66°W (Elev. 561 ft)
Last Update:
2:15 am EDT Mar 17, 2026
Forecast Valid:
2am EDT Mar 17, 2026-6pm EDT Mar 23, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation