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

Dangerous Heat and Heavy Rainfall into the Weekend

Hot temperatures and high humidity are forecast to continue across the mid-Mississippi Valley into this weekend. Heat Advisories remain in effect. Heavy to excessive rainfall occurring at times through the weekend could bring areas of flooding to parts of the northern Rockies, upper Midwest, central Great Lakes, and southern New England. Read More >

Current conditions at

College Park Airport (KCGS)

Lat: 38.98°NLon: 76.92°WElev: 49ft.

Overcast

73°F

23°C

Humidity 80%
Wind Speed SE 7 mph
Barometer 30.08 in
Dewpoint 67°F (19°C)
Visibility 10.00 mi
Last update 20 Sep 12:15 am EDT
Extended Forecast for

Berwyn Heights MD

  • Overnight

    Overnight: Cloudy, with a low around 68. Southeast wind around 6 mph.

    Low: 68 °F

    Cloudy

  • Sunday

    Sunday: Scattered showers before 2pm, then scattered showers and thunderstorms between 2pm and 5pm, then showers likely and possibly a thunderstorm after 5pm. Mostly cloudy, with a high near 84. Southwest wind 7 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 84 °F

    Showers
    Likely

  • Sunday Night

    Sunday Night: Showers and thunderstorms likely, mainly before 1am. Mostly cloudy, with a low around 63. Calm wind becoming north around 5 mph after midnight. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 63 °F

    Showers
    Likely then
    Chance
    Showers

  • Monday

    Monday: A slight chance of showers between 2pm and 3pm. Mostly cloudy, with a high near 75. Northeast wind around 8 mph. Chance of precipitation is 20%.

    High: 75 °F

    Partly Sunny
    then Slight
    Chance
    Showers

  • Monday Night

    Monday Night: Showers, mainly after 7pm. Low around 58. Northeast wind around 7 mph. Chance of precipitation is 80%.

    Low: 58 °F

    Showers

  • Tuesday

    Tuesday: Showers, with thunderstorms also possible after 2pm. High near 67. Chance of precipitation is 80%.

    High: 67 °F

    Showers

  • Tuesday Night

    Tuesday Night: Showers likely and possibly a thunderstorm. Cloudy, with a low around 54. Chance of precipitation is 60%.

    Low: 54 °F

    Showers
    Likely

  • Wednesday

    Wednesday: A chance of showers. Mostly cloudy, with a high near 65. Chance of precipitation is 50%.

    High: 65 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A chance of showers. Mostly cloudy, with a low around 54. Chance of precipitation is 50%.

    Low: 54 °F

    Chance
    Showers

Detailed Forecast

Overnight
Cloudy, with a low around 68. Southeast wind around 6 mph.
Sunday
Scattered showers before 2pm, then scattered showers and thunderstorms between 2pm and 5pm, then showers likely and possibly a thunderstorm after 5pm. Mostly cloudy, with a high near 84. Southwest wind 7 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday Night
Showers and thunderstorms likely, mainly before 1am. Mostly cloudy, with a low around 63. Calm wind becoming north around 5 mph after midnight. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday
A slight chance of showers between 2pm and 3pm. Mostly cloudy, with a high near 75. Northeast wind around 8 mph. Chance of precipitation is 20%.
Monday Night
Showers, mainly after 7pm. Low around 58. Northeast wind around 7 mph. Chance of precipitation is 80%.
Tuesday
Showers, with thunderstorms also possible after 2pm. High near 67. Chance of precipitation is 80%.
Tuesday Night
Showers likely and possibly a thunderstorm. Cloudy, with a low around 54. Chance of precipitation is 60%.
Wednesday
A chance of showers. Mostly cloudy, with a high near 65. Chance of precipitation is 50%.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 54. Chance of precipitation is 50%.
Thursday
A chance of showers. Mostly cloudy, with a high near 65. Chance of precipitation is 40%.
Thursday Night
A slight chance of showers. Mostly cloudy, with a low around 52. Chance of precipitation is 20%.
Friday
A slight chance of showers. Mostly sunny, with a high near 67. Chance of precipitation is 20%.
Friday Night
Partly cloudy, with a low around 52.
Saturday
Mostly sunny, with a high near 69.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Berwyn Heights MD
 38.99°N 76.92°W (Elev. 49 ft)
Last Update:
2:22 am EDT Sep 20, 2026
Forecast Valid:
2am EDT Sep 20, 2026-6pm EDT Sep 26, 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