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

Baltimore, Baltimore-Washington International Airport (KBWI)

Lat: 39.17°NLon: 76.68°WElev: 135ft.

Partly Cloudy

36°F

2°C

Humidity 76%
Wind Speed W 16 G 29 mph
Barometer 29.67 in (1004.6 mb)
Dewpoint 29°F (-2°C)
Visibility 10.00 mi
Wind Chill26°F (-3°C)
Last update 17 Mar 1:54 am EDT
Extended Forecast for

Catonsville MD

  • Overnight

    Overnight: Partly cloudy, with a low around 29. West wind around 18 mph, with gusts as high as 31 mph.

    Low: 29 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 39. West wind 14 to 16 mph, with gusts as high as 28 mph.

    High: 39 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 24. Northwest wind 5 to 13 mph, with gusts as high as 21 mph.

    Low: 24 °F

    Mostly Clear

  • Wednesday

    Wednesday: Partly sunny, with a high near 40. Calm wind becoming south around 6 mph in the afternoon.

    High: 40 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 30. South wind around 6 mph.

    Low: 30 °F

    Partly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 49.

    High: 49 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 37.

    Low: 37 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 59.

    High: 59 °F

    Partly Sunny

  • Friday Night

    Friday Night: A chance of rain. Mostly cloudy, with a low around 41. Chance of precipitation is 30%.

    Low: 41 °F

    Chance Rain

Detailed Forecast

Overnight
Partly cloudy, with a low around 29. West wind around 18 mph, with gusts as high as 31 mph.
Tuesday
Mostly sunny, with a high near 39. West wind 14 to 16 mph, with gusts as high as 28 mph.
Tuesday Night
Mostly clear, with a low around 24. Northwest wind 5 to 13 mph, with gusts as high as 21 mph.
Wednesday
Partly sunny, with a high near 40. Calm wind becoming south around 6 mph in the afternoon.
Wednesday Night
Partly cloudy, with a low around 30. South wind around 6 mph.
Thursday
Partly sunny, with a high near 49.
Thursday Night
Mostly cloudy, with a low around 37.
Friday
Partly sunny, with a high near 59.
Friday Night
A chance of rain. Mostly cloudy, with a low around 41. Chance of precipitation is 30%.
Saturday
A chance of rain after 2pm. Mostly cloudy, with a high near 58. Chance of precipitation is 30%.
Saturday Night
A chance of rain. Mostly cloudy, with a low around 41. Chance of precipitation is 30%.
Sunday
Mostly sunny, with a high near 61.
Sunday Night
Mostly cloudy, with a low around 37.
Monday
Mostly sunny, with a high near 53.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Catonsville MD
 39.26°N 76.73°W (Elev. 410 ft)
Last Update:
1:53 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

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Chance of Precipitation