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

Excessive Rainfall Possible This Weekend; October Heat Wave in California

A slow moving front will be the focus area for heavy to excessive rainfall and a threat for flash/urban flooding across the northern Gulf Coast and Southeast U.S. through this weekend. Abnormally hot, potentially record-breaking, temperatures will impact southern California and stretch north toward the Bay Area and Central Valley into next week. Read More >

Current conditions at

College Park Airport (KCGS)

Lat: 38.98°NLon: 76.92°WElev: 49ft.

Fog/Mist

63°F

17°C

Humidity 95%
Wind Speed N 6 mph
Barometer 30.12 in
Dewpoint 62°F (17°C)
Visibility 2.00 mi
Last update 4 Oct 3:15 pm EDT
Extended Forecast for

Chillum MD

  • Tonight

    Tonight: Patchy fog. Otherwise, mostly cloudy, with a low around 57. Light and variable wind.

    Low: 57 °F

    Patchy Fog

  • Monday

    Monday: Mostly cloudy, then gradually becoming sunny, with a high near 70. Northwest wind 6 to 11 mph, with gusts as high as 21 mph.

    High: 70 °F

    Decreasing
    Clouds

  • Monday Night

    Monday Night: Clear, with a low around 47. Northwest wind around 6 mph.

    Low: 47 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 65. Northwest wind around 5 mph becoming calm in the afternoon.

    High: 65 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 45. Calm wind.

    Low: 45 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 71.

    High: 71 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 53.

    Low: 53 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 77.

    High: 77 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 54.

    Low: 54 °F

    Mostly Clear

Detailed Forecast

Tonight
Patchy fog. Otherwise, mostly cloudy, with a low around 57. Light and variable wind.
Monday
Mostly cloudy, then gradually becoming sunny, with a high near 70. Northwest wind 6 to 11 mph, with gusts as high as 21 mph.
Monday Night
Clear, with a low around 47. Northwest wind around 6 mph.
Tuesday
Sunny, with a high near 65. Northwest wind around 5 mph becoming calm in the afternoon.
Tuesday Night
Clear, with a low around 45. Calm wind.
Wednesday
Sunny, with a high near 71.
Wednesday Night
Clear, with a low around 53.
Thursday
Sunny, with a high near 77.
Thursday Night
Mostly clear, with a low around 54.
Friday
Sunny, with a high near 74.
Friday Night
Partly cloudy, with a low around 54.
Saturday
Mostly sunny, with a high near 71.
Saturday Night
Mostly cloudy, with a low around 53.
Sunday
A chance of showers. Partly sunny, with a high near 68. Chance of precipitation is 30%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Chillum MD
 38.95°N 76.99°W (Elev. 98 ft)
Last Update:
2:23 pm EDT Oct 4, 2026
Forecast Valid:
3pm EDT Oct 4, 2026-6pm EDT Oct 11, 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