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

Harford County Airport (K0W3)

Lat: 39.57°NLon: 76.2°WElev: 412ft.

Fair

44°F

7°C

Humidity 67%
Wind Speed S 13 mph
Barometer 29.74 in
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Wind Chill38°F (3°C)
Last update 13 Mar 9:15 pm EDT
Extended Forecast for

Conowingo MD

  • Tonight

    Tonight: Mostly clear, with a low around 40. Southwest wind 9 to 13 mph, with gusts as high as 30 mph.

    Low: 40 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 52. West wind 9 to 18 mph, with gusts as high as 33 mph.

    High: 52 °F

    Sunny

  • Saturday Night

    Saturday Night: Increasing clouds, with a low around 36. Northwest wind around 5 mph becoming calm in the evening.

    Low: 36 °F

    Increasing
    Clouds

  • Sunday

    Sunday: Mostly cloudy, with a high near 53. Southeast wind 5 to 13 mph, with gusts as high as 25 mph.

    High: 53 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: Rain, mainly after 2am. Low around 48. Southeast wind around 9 mph, with gusts as high as 21 mph. Chance of precipitation is 100%.

    Low: 48 °F

    Chance Rain
    then Rain

  • Monday

    Monday: Rain before 11am, then showers and possibly a thunderstorm, mainly after 11am. High near 66. Breezy. Chance of precipitation is 100%.

    High: 66 °F

    Showers and
    Breezy

  • Monday Night

    Monday Night: Showers and possibly a thunderstorm before 8pm, then showers between 8pm and 2am. Low around 30. Breezy. Chance of precipitation is 80%.

    Low: 30 °F

    Showers and
    Breezy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 38.

    High: 38 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 22.

    Low: 22 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 40. Southwest wind 9 to 13 mph, with gusts as high as 30 mph.
Saturday
Sunny, with a high near 52. West wind 9 to 18 mph, with gusts as high as 33 mph.
Saturday Night
Increasing clouds, with a low around 36. Northwest wind around 5 mph becoming calm in the evening.
Sunday
Mostly cloudy, with a high near 53. Southeast wind 5 to 13 mph, with gusts as high as 25 mph.
Sunday Night
Rain, mainly after 2am. Low around 48. Southeast wind around 9 mph, with gusts as high as 21 mph. Chance of precipitation is 100%.
Monday
Rain before 11am, then showers and possibly a thunderstorm, mainly after 11am. High near 66. Breezy. Chance of precipitation is 100%.
Monday Night
Showers and possibly a thunderstorm before 8pm, then showers between 8pm and 2am. Low around 30. Breezy. Chance of precipitation is 80%.
Tuesday
Mostly sunny, with a high near 38.
Tuesday Night
Mostly clear, with a low around 22.
Wednesday
Partly sunny, with a high near 40.
Wednesday Night
Mostly cloudy, with a low around 28.
Thursday
Partly sunny, with a high near 48.
Thursday Night
Partly cloudy, with a low around 35.
Friday
Partly sunny, with a high near 51.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Conowingo MD
 39.67°N 76.17°W (Elev. 69 ft)
Last Update:
7:53 pm EDT Mar 13, 2026
Forecast Valid:
9pm EDT Mar 13, 2026-6pm EDT Mar 20, 2026
 
Forecast Discussion
 
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Additional Resources

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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