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

College Park Airport (KCGS)

Lat: 38.98°NLon: 76.92°WElev: 49ft.

Overcast

36°F

2°C

Humidity 50%
Wind Speed W 10 G 21 mph
Barometer 29.77 in
Dewpoint 19°F (-7°C)
Visibility 10.00 mi
Wind Chill29°F (-2°C)
Last update 17 Mar 3:15 am EDT
Extended Forecast for

Chillum MD

  • Overnight

    Overnight: Mostly clear, with a low around 30. West wind around 16 mph, with gusts as high as 29 mph.

    Low: 30 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 42. West wind 11 to 13 mph, with gusts as high as 24 mph.

    High: 42 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 27. Northwest wind 8 to 13 mph becoming light after midnight. Winds could gust as high as 18 mph.

    Low: 27 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 43. Calm wind becoming south around 5 mph in the afternoon.

    High: 43 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 31. Southeast wind 3 to 5 mph.

    Low: 31 °F

    Partly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 53.

    High: 53 °F

    Partly Sunny

  • Thursday Night

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

    Low: 37 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 61.

    High: 61 °F

    Partly Sunny

  • Friday Night

    Friday Night: A chance of rain after 2am. Mostly cloudy, with a low around 45. Chance of precipitation is 30%.

    Low: 45 °F

    Mostly Cloudy
    then Chance
    Rain

Detailed Forecast

Overnight
Mostly clear, with a low around 30. West wind around 16 mph, with gusts as high as 29 mph.
Tuesday
Mostly sunny, with a high near 42. West wind 11 to 13 mph, with gusts as high as 24 mph.
Tuesday Night
Mostly clear, with a low around 27. Northwest wind 8 to 13 mph becoming light after midnight. Winds could gust as high as 18 mph.
Wednesday
Mostly sunny, with a high near 43. Calm wind becoming south around 5 mph in the afternoon.
Wednesday Night
Partly cloudy, with a low around 31. Southeast wind 3 to 5 mph.
Thursday
Partly sunny, with a high near 53.
Thursday Night
Partly cloudy, with a low around 37.
Friday
Partly sunny, with a high near 61.
Friday Night
A chance of rain after 2am. Mostly cloudy, with a low around 45. Chance of precipitation is 30%.
Saturday
A chance of rain before 8am. Partly sunny, with a high near 63. Chance of precipitation is 30%.
Saturday Night
Mostly cloudy, with a low around 46.
Sunday
Partly sunny, with a high near 69.
Sunday Night
A chance of rain. Mostly cloudy, with a low around 41. Chance of precipitation is 30%.
Monday
A chance of rain. Mostly sunny, with a high near 56. Chance of precipitation is 30%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Chillum MD
 38.97°N 76.98°W (Elev. 92 ft)
Last Update:
2:42 am EDT Mar 17, 2026
Forecast Valid:
3am EDT Mar 17, 2026-6pm EDT Mar 23, 2026
 
Forecast Discussion
 
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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