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

Fire Weather Concerns and Severe Thunderstorms through the Weekend

Dry and windy conditions, and some dry thunderstorms and lightning, may support hazardous fire activity in the northern Plains, high southern Plains and the Southwest this weekend. An active severe weather pattern is forecast for portions of the central and southern High Plains into the Upper Midwest through early the part of next week. Damaging winds, large hail, and tornadoes are possible. Read More >

Current conditions at

Harford County Airport (K0W3)

Lat: 39.57°NLon: 76.2°WElev: 412ft.

Mostly Cloudy

65°F

18°C

Humidity 47%
Wind Speed NW 8 mph
Barometer 29.97 in
Dewpoint 44°F (7°C)
Visibility 10.00 mi
Last update 15 May 2:15 pm EDT
Extended Forecast for

4 Miles W Lewisville PA

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 66. Northwest wind 11 to 13 mph, with gusts as high as 21 mph.

    High: 66 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming clear, with a low around 49. Calm wind.

    Low: 49 °F

    Decreasing
    Clouds

  • Saturday

    Saturday: Sunny, with a high near 78. Light southwest wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 18 mph.

    High: 78 °F

    Sunny

  • Saturday Night

    Saturday Night: A slight chance of showers after 2am. Increasing clouds, with a low around 61. South wind around 7 mph. Chance of precipitation is 20%.

    Low: 61 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

  • Sunday

    Sunday: A slight chance of showers before 8am, then a slight chance of showers after 2pm. Mostly sunny, with a high near 84. Northwest wind around 7 mph. Chance of precipitation is 20%.

    High: 84 °F

    Mostly Sunny
    then Slight
    Chance
    Showers

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 61.

    Low: 61 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 88.

    High: 88 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 64.

    Low: 64 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 89.

    High: 89 °F

    Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 66. Northwest wind 11 to 13 mph, with gusts as high as 21 mph.
Tonight
Mostly cloudy, then gradually becoming clear, with a low around 49. Calm wind.
Saturday
Sunny, with a high near 78. Light southwest wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 18 mph.
Saturday Night
A slight chance of showers after 2am. Increasing clouds, with a low around 61. South wind around 7 mph. Chance of precipitation is 20%.
Sunday
A slight chance of showers before 8am, then a slight chance of showers after 2pm. Mostly sunny, with a high near 84. Northwest wind around 7 mph. Chance of precipitation is 20%.
Sunday Night
Partly cloudy, with a low around 61.
Monday
Sunny, with a high near 88.
Monday Night
Mostly clear, with a low around 64.
Tuesday
Sunny, with a high near 89.
Tuesday Night
Mostly clear, with a low around 67.
Wednesday
Showers likely. Mostly sunny, with a high near 86. Chance of precipitation is 60%.
Wednesday Night
Showers likely. Mostly cloudy, with a low around 60. Chance of precipitation is 60%.
Thursday
A chance of showers. Partly sunny, with a high near 71. Chance of precipitation is 40%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles W Lewisville PA
 39.71°N 75.96°W (Elev. 400 ft)
Last Update:
2:23 pm EDT May 15, 2026
Forecast Valid:
2pm EDT May 15, 2026-6pm EDT May 21, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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