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

Patuxent River, Naval Air Station (KNHK)

Lat: 38.28°NLon: 76.41°WElev: 39ft.

Overcast

74°F

23°C

Humidity 97%
Wind Speed S 3 mph
Barometer 30.11 in (1019.6 mb)
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Last update 12 Aug 4:52 am EDT
Extended Forecast for

Mechanicsville MD

  • Today

    Today: A chance of showers and thunderstorms, mainly before 3pm. Patchy fog before 8am. Otherwise, mostly sunny, with a high near 88. Calm wind becoming south around 6 mph in the afternoon. Chance of precipitation is 30%.

    High: 88 °F

    Patchy Fog
    then Chance
    T-storms

  • Tonight

    Tonight: A slight chance of showers and thunderstorms before 9pm, then a slight chance of showers after 2am. Partly cloudy, with a low around 72. South wind 3 to 6 mph. Chance of precipitation is 20%.

    Low: 72 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Wednesday

    Wednesday: A chance of showers, with thunderstorms also possible after 11am. Partly sunny, with a high near 88. Southwest wind around 6 mph. Chance of precipitation is 40%.

    High: 88 °F

    Chance
    Showers then
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 71. South wind 3 to 5 mph. Chance of precipitation is 30%.

    Low: 71 °F

    Chance
    T-storms

  • Thursday

    Thursday: A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 89. Northwest wind 3 to 5 mph. Chance of precipitation is 30%.

    High: 89 °F

    Mostly Sunny
    then Chance
    T-storms

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 71. Chance of precipitation is 30%.

    Low: 71 °F

    Chance
    T-storms

  • Friday

    Friday: Mostly sunny, with a high near 88.

    High: 88 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 70.

    Low: 70 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 88.

    High: 88 °F

    Mostly Sunny

Detailed Forecast

Today
A chance of showers and thunderstorms, mainly before 3pm. Patchy fog before 8am. Otherwise, mostly sunny, with a high near 88. Calm wind becoming south around 6 mph in the afternoon. Chance of precipitation is 30%.
Tonight
A slight chance of showers and thunderstorms before 9pm, then a slight chance of showers after 2am. Partly cloudy, with a low around 72. South wind 3 to 6 mph. Chance of precipitation is 20%.
Wednesday
A chance of showers, with thunderstorms also possible after 11am. Partly sunny, with a high near 88. Southwest wind around 6 mph. Chance of precipitation is 40%.
Wednesday Night
A chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 71. South wind 3 to 5 mph. Chance of precipitation is 30%.
Thursday
A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 89. Northwest wind 3 to 5 mph. Chance of precipitation is 30%.
Thursday Night
A chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 71. Chance of precipitation is 30%.
Friday
Mostly sunny, with a high near 88.
Friday Night
Mostly clear, with a low around 70.
Saturday
Mostly sunny, with a high near 88.
Saturday Night
Mostly clear, with a low around 68.
Sunday
Sunny, with a high near 91.
Sunday Night
Mostly clear, with a low around 70.
Monday
Sunny, with a high near 90.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Mechanicsville MD
 38.43°N 76.73°W (Elev. 148 ft)
Last Update:
4:30 am EDT Aug 12, 2025
Forecast Valid:
5am EDT Aug 12, 2025-6pm EDT Aug 18, 2025
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

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Chance of Precipitation