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

Dangerous Heat and Possible Flooding This Week

Hot temperatures and high humidity are forecast to continue across much of east Texas into the mid-Mississippi Valley through this week. Heavy to excessive rainfall occurring at times through Friday could bring areas of flooding across parts of the central Plains into the upper Midwest and Four Corners states. Read More >

Current conditions at

Baltimore, Baltimore-Washington International Airport (KBWI)

Lat: 39.17°NLon: 76.68°WElev: 135ft.

Fair

68°F

20°C

Humidity 49%
Wind Speed N 6 mph
Barometer 30.22 in (1023.1 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 14 Sep 8:54 pm EDT
Extended Forecast for

Simpsonville MD

  • Tonight

    Tonight: Clear, with a low around 53. North wind 3 to 6 mph.

    Low: 53 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 76. Light and variable wind becoming southeast around 6 mph in the morning.

    High: 76 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 57. Light southeast wind.

    Low: 57 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 83. Calm wind becoming south around 5 mph in the afternoon.

    High: 83 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 61. Light south wind.

    Low: 61 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 86.

    High: 86 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 67.

    Low: 67 °F

    Mostly Clear

  • Friday

    Friday: A chance of showers after 2pm. Mostly sunny, with a high near 86. Chance of precipitation is 30%.

    High: 86 °F

    Mostly Sunny
    then Chance
    Showers

  • Friday Night

    Friday Night: A chance of showers, mainly before 8pm. Partly cloudy, with a low around 65. Chance of precipitation is 30%.

    Low: 65 °F

    Chance
    Showers

Detailed Forecast

Tonight
Clear, with a low around 53. North wind 3 to 6 mph.
Tuesday
Sunny, with a high near 76. Light and variable wind becoming southeast around 6 mph in the morning.
Tuesday Night
Mostly clear, with a low around 57. Light southeast wind.
Wednesday
Mostly sunny, with a high near 83. Calm wind becoming south around 5 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 61. Light south wind.
Thursday
Sunny, with a high near 86.
Thursday Night
Mostly clear, with a low around 67.
Friday
A chance of showers after 2pm. Mostly sunny, with a high near 86. Chance of precipitation is 30%.
Friday Night
A chance of showers, mainly before 8pm. Partly cloudy, with a low around 65. Chance of precipitation is 30%.
Saturday
Partly sunny, with a high near 82.
Saturday Night
A slight chance of showers. Partly cloudy, with a low around 68. Chance of precipitation is 20%.
Sunday
A chance of showers and thunderstorms. Mostly sunny, with a high near 85. Chance of precipitation is 30%.
Sunday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 65. Chance of precipitation is 30%.
Monday
A chance of showers. Partly sunny, with a high near 80. Chance of precipitation is 30%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Simpsonville MD
 39.16°N 76.86°W (Elev. 249 ft)
Last Update:
7:52 pm EDT Sep 14, 2026
Forecast Valid:
9pm EDT Sep 14, 2026-6pm EDT Sep 21, 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