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

Hazardous Weather Conditions

Current conditions at

Harford County Airport (K0W3)

Lat: 39.57°NLon: 76.2°WElev: 412ft.

Light Snow Fog/Mist

35°F

2°C

Humidity 100%
Wind Speed NW 13 mph
Barometer 29.87 in
Dewpoint 35°F (2°C)
Visibility 3.00 mi
Wind Chill26°F (-3°C)
Last update 12 Mar 12:35 pm EDT
Extended Forecast for

Charlestown MD

  • This Afternoon

    This Afternoon: Rain before 1pm, then rain and snow. Steady temperature around 39. Northwest wind 13 to 15 mph, with gusts as high as 29 mph. Chance of precipitation is 90%. Total daytime snow accumulation of less than a half inch possible.

    High: 39 °F

    Rain/Snow

  • Tonight

    Tonight: Mostly cloudy during the early evening, then gradual clearing, with a low around 30. West wind 3 to 8 mph.

    Low: 30 °F

    Gradual
    Clearing

  • Friday

    Friday: Increasing clouds, with a high near 48. Breezy, with a light south wind increasing to 15 to 20 mph in the morning. Winds could gust as high as 38 mph.

    High: 48 °F

    Mostly Sunny
    then Mostly
    Cloudy and
    Breezy

  • Friday Night

    Friday Night: Partly cloudy, with a low around 41. South wind 7 to 14 mph becoming west after midnight. Winds could gust as high as 31 mph.

    Low: 41 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 53. West wind 7 to 10 mph, with gusts as high as 18 mph.

    High: 53 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 38.

    Low: 38 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly cloudy, with a high near 56.

    High: 56 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: Showers, mainly after 2am. Low around 50. Chance of precipitation is 80%.

    Low: 50 °F

    Chance
    Showers then
    Showers

  • Monday

    Monday: Showers. High near 67. Chance of precipitation is 90%.

    High: 67 °F

    Showers

Detailed Forecast

This Afternoon
Rain before 1pm, then rain and snow. Steady temperature around 39. Northwest wind 13 to 15 mph, with gusts as high as 29 mph. Chance of precipitation is 90%. Total daytime snow accumulation of less than a half inch possible.
Tonight
Mostly cloudy during the early evening, then gradual clearing, with a low around 30. West wind 3 to 8 mph.
Friday
Increasing clouds, with a high near 48. Breezy, with a light south wind increasing to 15 to 20 mph in the morning. Winds could gust as high as 38 mph.
Friday Night
Partly cloudy, with a low around 41. South wind 7 to 14 mph becoming west after midnight. Winds could gust as high as 31 mph.
Saturday
Mostly sunny, with a high near 53. West wind 7 to 10 mph, with gusts as high as 18 mph.
Saturday Night
Mostly cloudy, with a low around 38.
Sunday
Mostly cloudy, with a high near 56.
Sunday Night
Showers, mainly after 2am. Low around 50. Chance of precipitation is 80%.
Monday
Showers. High near 67. Chance of precipitation is 90%.
Monday Night
A chance of showers before 2am. Mostly cloudy, with a low around 30. Chance of precipitation is 50%.
Tuesday
Mostly sunny, with a high near 39.
Tuesday Night
Mostly clear, with a low around 24.
Wednesday
Sunny, with a high near 41.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Charlestown MD
 39.58°N 75.98°W (Elev. 26 ft)
Last Update:
10:53 am EDT Mar 12, 2026
Forecast Valid:
12pm EDT Mar 12, 2026-6pm EDT Mar 18, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation