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

Hagerstown, Washington County Regional Airport (KHGR)

Lat: 39.71°NLon: 77.73°WElev: 702ft.

Light Rain

60°F

16°C

Humidity 70%
Wind Speed Calm
Barometer 30.19 in (1023.0 mb)
Dewpoint 50°F (10°C)
Visibility 7.00 mi
Last update 15 Oct 1:53 pm EDT
Extended Forecast for

Greencastle PA

  • This Afternoon

    This Afternoon: A chance of showers, mainly after 3pm. Mostly cloudy, with a high near 63. Southeast wind around 5 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    High: 63 °F

    Chance
    Showers

  • Tonight

    Tonight: Showers likely, mainly between 2am and 5am. Cloudy, with a low around 59. South wind 6 to 9 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 59 °F

    Showers
    Likely

  • Friday

    Friday: A slight chance of showers before 3pm, then a chance of showers and thunderstorms between 3pm and 4pm, then showers likely and possibly a thunderstorm after 4pm. Sunny, then becoming mostly cloudy during the afternoon, with a high near 84. South wind 10 to 16 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 84 °F

    Partly Sunny
    then Showers
    Likely

  • Friday Night

    Friday Night: A chance of showers and thunderstorms, mainly before 7pm. Increasing clouds, with a low around 45. Northwest wind 11 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 45 °F

    Chance
    Showers then
    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 54. North wind 14 to 16 mph, with gusts as high as 24 mph.

    High: 54 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Areas of frost after 3am. Otherwise, clear, with a low around 35.

    Low: 35 °F

    Mostly Clear
    then Areas
    Frost

  • Sunday

    Sunday: Areas of frost before 9am. Otherwise, sunny, with a high near 59.

    High: 59 °F

    Areas Frost
    then Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 37.

    Low: 37 °F

    Mostly Clear

  • Monday

    Monday: Patchy frost before 8am. Otherwise, sunny, with a high near 63.

    High: 63 °F

    Patchy Frost
    then Sunny

Detailed Forecast

This Afternoon
A chance of showers, mainly after 3pm. Mostly cloudy, with a high near 63. Southeast wind around 5 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Tonight
Showers likely, mainly between 2am and 5am. Cloudy, with a low around 59. South wind 6 to 9 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Friday
A slight chance of showers before 3pm, then a chance of showers and thunderstorms between 3pm and 4pm, then showers likely and possibly a thunderstorm after 4pm. Sunny, then becoming mostly cloudy during the afternoon, with a high near 84. South wind 10 to 16 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday Night
A chance of showers and thunderstorms, mainly before 7pm. Increasing clouds, with a low around 45. Northwest wind 11 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday
Mostly sunny, with a high near 54. North wind 14 to 16 mph, with gusts as high as 24 mph.
Saturday Night
Areas of frost after 3am. Otherwise, clear, with a low around 35.
Sunday
Areas of frost before 9am. Otherwise, sunny, with a high near 59.
Sunday Night
Mostly clear, with a low around 37.
Monday
Patchy frost before 8am. Otherwise, sunny, with a high near 63.
Monday Night
Mostly clear, with a low around 40.
Tuesday
Mostly sunny, with a high near 67.
Tuesday Night
Partly cloudy, with a low around 44.
Wednesday
Sunny, with a high near 67.
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ABOUT THIS FORECAST

 
Point Forecast:
Greencastle PA
 39.78°N 77.74°W (Elev. 548 ft)
Last Update:
2:21 pm EDT Oct 15, 2026
Forecast Valid:
2pm EDT Oct 15, 2026-6pm EDT Oct 21, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation