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

Areas of Extreme Heat and Excessive Rainfall Potential

Dangerous and extreme heat will remain across portions of the central U.S. this week, persisting across the mid to lower Mississippi Valley, Gulf Coast, southern Plains and portions of Texas. A heat wave over the Southwest U.S. will peak this weekend. Heavy to excessive rainfall may produce flash flooding from the Delmarva Peninsula north into the Hudson Valley today and tonight. Read More >

Current conditions at

College Park Airport (KCGS)

Lat: 38.98°NLon: 76.92°WElev: 49ft.

Mostly Cloudy

71°F

22°C

Humidity 95%
Wind Speed SW 5 mph
Barometer 29.60 in
Dewpoint 69°F (21°C)
Visibility 10.00 mi
Last update 28 Jul 8:15 pm EDT
Extended Forecast for

Adelphi MD

  • Tonight

    Tonight: Showers and thunderstorms likely before 11pm, then a slight chance of showers between 11pm and midnight. Some of the storms could be severe. Mostly cloudy, then gradually becoming mostly clear, with a low around 67. Calm wind becoming northwest around 6 mph after midnight. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 67 °F

    Severe
    Thunderstorms
    then Mostly
    Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 84. Northwest wind 8 to 11 mph, with gusts as high as 23 mph.

    High: 84 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 67. Northwest wind 7 to 9 mph.

    Low: 67 °F

    Mostly Clear

  • Thursday

    Thursday: Increasing clouds, with a high near 84. Northwest wind 8 to 11 mph, with gusts as high as 21 mph.

    High: 84 °F

    Increasing
    Clouds

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 66. Northwest wind 3 to 6 mph.

    Low: 66 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 87.

    High: 87 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 69.

    Low: 69 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 89.

    High: 89 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A slight chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 70. Chance of precipitation is 20%.

    Low: 70 °F

    Slight Chance
    T-storms

Detailed Forecast

Tonight
Showers and thunderstorms likely before 11pm, then a slight chance of showers between 11pm and midnight. Some of the storms could be severe. Mostly cloudy, then gradually becoming mostly clear, with a low around 67. Calm wind becoming northwest around 6 mph after midnight. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday
Mostly sunny, with a high near 84. Northwest wind 8 to 11 mph, with gusts as high as 23 mph.
Wednesday Night
Mostly clear, with a low around 67. Northwest wind 7 to 9 mph.
Thursday
Increasing clouds, with a high near 84. Northwest wind 8 to 11 mph, with gusts as high as 21 mph.
Thursday Night
Partly cloudy, with a low around 66. Northwest wind 3 to 6 mph.
Friday
Sunny, with a high near 87.
Friday Night
Partly cloudy, with a low around 69.
Saturday
Mostly sunny, with a high near 89.
Saturday Night
A slight chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 70. Chance of precipitation is 20%.
Sunday
A chance of showers and thunderstorms after 2pm. Mostly cloudy, with a high near 87. Chance of precipitation is 30%.
Sunday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 71. Chance of precipitation is 40%.
Monday
A chance of showers and thunderstorms. Mostly cloudy, with a high near 87. Chance of precipitation is 50%.
Monday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 71. Chance of precipitation is 30%.
Tuesday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 89. Chance of precipitation is 20%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Adelphi MD
 38.99°N 76.95°W (Elev. 108 ft)
Last Update:
8:19 pm EDT Jul 28, 2026
Forecast Valid:
8pm EDT Jul 28, 2026-6pm EDT Aug 4, 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