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

College Park Airport (KCGS)

Lat: 38.98°NLon: 76.92°WElev: 49ft.

Fair

59°F

15°C

Humidity 91%
Wind Speed Calm
Barometer 30.05 in
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 25 Aug 3:35 am EDT
Extended Forecast for

Chillum MD

  • Overnight

    Overnight: Mostly clear, with a low around 62. Calm wind.

    Low: 62 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 85. Northwest wind 5 to 8 mph.

    High: 85 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 64. Light north wind.

    Low: 64 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 88. Calm wind becoming south 5 to 8 mph in the afternoon.

    High: 88 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms, mainly after 2am. Mostly cloudy, with a low around 70. South wind 5 to 7 mph. Chance of precipitation is 40%.

    Low: 70 °F

    Chance
    T-storms

  • Thursday

    Thursday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 87. Chance of precipitation is 70%.

    High: 87 °F

    Chance
    T-storms then
    Showers
    Likely

  • Thursday Night

    Thursday Night: Showers and thunderstorms likely before 11pm, then a chance of showers between 11pm and 2am. Mostly cloudy, with a low around 68. Chance of precipitation is 60%.

    Low: 68 °F

    Showers
    Likely

  • Friday

    Friday: A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 87. Chance of precipitation is 30%.

    High: 87 °F

    Partly Sunny
    then Chance
    T-storms

  • Friday Night

    Friday Night: A chance of showers and thunderstorms before 8pm, then a slight chance of showers between 8pm and 2am. Mostly cloudy, with a low around 68. Chance of precipitation is 30%.

    Low: 68 °F

    Chance
    T-storms then
    Slight Chance
    Showers

Detailed Forecast

Overnight
Mostly clear, with a low around 62. Calm wind.
Tuesday
Sunny, with a high near 85. Northwest wind 5 to 8 mph.
Tuesday Night
Mostly clear, with a low around 64. Light north wind.
Wednesday
Mostly sunny, with a high near 88. Calm wind becoming south 5 to 8 mph in the afternoon.
Wednesday Night
A chance of showers and thunderstorms, mainly after 2am. Mostly cloudy, with a low around 70. South wind 5 to 7 mph. Chance of precipitation is 40%.
Thursday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 87. Chance of precipitation is 70%.
Thursday Night
Showers and thunderstorms likely before 11pm, then a chance of showers between 11pm and 2am. Mostly cloudy, with a low around 68. Chance of precipitation is 60%.
Friday
A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 87. Chance of precipitation is 30%.
Friday Night
A chance of showers and thunderstorms before 8pm, then a slight chance of showers between 8pm and 2am. Mostly cloudy, with a low around 68. Chance of precipitation is 30%.
Saturday
Mostly sunny, with a high near 86.
Saturday Night
Partly cloudy, with a low around 68.
Sunday
Mostly sunny, with a high near 88.
Sunday Night
Partly cloudy, with a low around 70.
Monday
Mostly sunny, with a high near 89.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Chillum MD
 38.95°N 76.99°W (Elev. 98 ft)
Last Update:
2:22 am EDT Aug 25, 2026
Forecast Valid:
3am EDT Aug 25, 2026-6pm EDT Aug 31, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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