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

Severe Thunderstorm and Heavy Rainfall Threat Tonight; Heat Continues on Tuesday Across the Eastern U.S.

Severe weather and flash flooding threats continue across the Central Plains and Midwest into tonight. Very large hail, strong tornadoes and damaging winds are expected. An early season heat wave will continue to challenge temperature records across the eastern U.S. through Wednesday. Read More >

Current conditions at

Harford County Airport (K0W3)

Lat: 39.57°NLon: 76.2°WElev: 412ft.

Fair

70°F

21°C

Humidity 100%
Wind Speed Calm
Barometer 30.11 in
Dewpoint 70°F (21°C)
Visibility 9.00 mi
Last update 19 May 6:15 am EDT
Extended Forecast for

Pylesville MD

  • Today

    Today: Mostly sunny, with a high near 95. West wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 95 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 70. Southwest wind 3 to 6 mph.

    Low: 70 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Showers and possibly a thunderstorm. High near 92. West wind 5 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 92 °F

    Sunny then
    Showers

  • Wednesday Night

    Wednesday Night: Showers and possibly a thunderstorm before 8pm, then showers likely. Low around 55. Northwest wind 6 to 9 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 55 °F

    Showers

  • Thursday

    Thursday: A chance of showers. Mostly cloudy, with a high near 67. North wind 5 to 9 mph, with gusts as high as 18 mph. Chance of precipitation is 50%.

    High: 67 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: A chance of showers, mainly after 2am. Mostly cloudy, with a low around 50. Chance of precipitation is 40%.

    Low: 50 °F

    Chance
    Showers

  • Friday

    Friday: Showers, mainly after 8am. High near 63. Chance of precipitation is 80%.

    High: 63 °F

    Showers

  • Friday Night

    Friday Night: Showers. Low around 48. Chance of precipitation is 90%.

    Low: 48 °F

    Showers

  • Saturday

    Saturday: Showers. High near 64. Chance of precipitation is 80%.

    High: 64 °F

    Showers

Detailed Forecast

Today
Mostly sunny, with a high near 95. West wind 5 to 10 mph, with gusts as high as 20 mph.
Tonight
Partly cloudy, with a low around 70. Southwest wind 3 to 6 mph.
Wednesday
Showers and possibly a thunderstorm. High near 92. West wind 5 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Showers and possibly a thunderstorm before 8pm, then showers likely. Low around 55. Northwest wind 6 to 9 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday
A chance of showers. Mostly cloudy, with a high near 67. North wind 5 to 9 mph, with gusts as high as 18 mph. Chance of precipitation is 50%.
Thursday Night
A chance of showers, mainly after 2am. Mostly cloudy, with a low around 50. Chance of precipitation is 40%.
Friday
Showers, mainly after 8am. High near 63. Chance of precipitation is 80%.
Friday Night
Showers. Low around 48. Chance of precipitation is 90%.
Saturday
Showers. High near 64. Chance of precipitation is 80%.
Saturday Night
Showers likely, mainly before 2am. Mostly cloudy, with a low around 55. Chance of precipitation is 70%.
Sunday
A chance of showers. Mostly cloudy, with a high near 72. Chance of precipitation is 50%.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 56. Chance of precipitation is 40%.
Memorial Day
Mostly cloudy, with a high near 74.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Pylesville MD
 39.69°N 76.39°W (Elev. 449 ft)
Last Update:
4:53 am EDT May 19, 2026
Forecast Valid:
6am EDT May 19, 2026-6pm EDT May 25, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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