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

Frederick Municipal Airport (KFDK)

Lat: 39.42°NLon: 77.37°WElev: 269ft.

Fair

48°F

9°C

Humidity 100%
Wind Speed Calm
Barometer 30.38 in
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 15 Sep 6:47 am EDT
Extended Forecast for

Jefferson MDSimilar City Names

  • Today

    Today: Sunny, with a high near 78. Calm wind becoming southeast around 5 mph in the afternoon.

    High: 78 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 57. South wind 3 to 5 mph.

    Low: 57 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 83. Calm wind becoming south around 6 mph in the afternoon.

    High: 83 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 63. Light south wind.

    Low: 63 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 86. South wind 3 to 7 mph.

    High: 86 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: A slight chance of showers before 2am. Partly cloudy, with a low around 68. Chance of precipitation is 20%.

    Low: 68 °F

    Slight Chance
    Showers

  • Friday

    Friday: A slight chance of showers after 2pm. Mostly sunny, with a high near 83. Chance of precipitation is 20%.

    High: 83 °F

    Mostly Sunny
    then Slight
    Chance
    Showers

  • Friday Night

    Friday Night: Partly cloudy, with a low around 62.

    Low: 62 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 78.

    High: 78 °F

    Partly Sunny

Detailed Forecast

Today
Sunny, with a high near 78. Calm wind becoming southeast around 5 mph in the afternoon.
Tonight
Mostly clear, with a low around 57. South wind 3 to 5 mph.
Wednesday
Sunny, with a high near 83. Calm wind becoming south around 6 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 63. Light south wind.
Thursday
Mostly sunny, with a high near 86. South wind 3 to 7 mph.
Thursday Night
A slight chance of showers before 2am. Partly cloudy, with a low around 68. Chance of precipitation is 20%.
Friday
A slight chance of showers after 2pm. Mostly sunny, with a high near 83. Chance of precipitation is 20%.
Friday Night
Partly cloudy, with a low around 62.
Saturday
Partly sunny, with a high near 78.
Saturday Night
A slight chance of showers before 2am. Mostly cloudy, with a low around 66. Chance of precipitation is 20%.
Sunday
A chance of showers and thunderstorms. Partly sunny, with a high near 84. Chance of precipitation is 50%.
Sunday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 65. Chance of precipitation is 40%.
Monday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 76. Chance of precipitation is 60%.
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ABOUT THIS FORECAST

 
Point Forecast:
Jefferson MDSimilar City Names
 39.36°N 77.52°W (Elev. 689 ft)
Last Update:
7:33 am EDT Sep 15, 2026
Forecast Valid:
7am EDT Sep 15, 2026-6pm EDT Sep 21, 2026
 
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Additional Resources

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High Temperature

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Chance of Precipitation