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.

A Few Clouds

75°F

24°C

Humidity 46%
Wind Speed W 12 mph
Barometer 29.98 in (1015.8 mb)
Dewpoint 53°F (12°C)
Visibility 10.00 mi
Last update 24 Aug 1:53 pm EDT
Extended Forecast for

Saint Thomas PA

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 79. West wind around 8 mph.

    High: 79 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 56. Light west wind.

    Low: 56 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 81. Calm wind becoming northwest 5 to 7 mph in the morning.

    High: 81 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 58. Calm wind.

    Low: 58 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 85. Calm wind becoming south around 6 mph in the afternoon.

    High: 85 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A slight chance of showers after 2am. Mostly cloudy, with a low around 66. Chance of precipitation is 20%.

    Low: 66 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Thursday

    Thursday: Showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 86. Chance of precipitation is 60%.

    High: 86 °F

    Mostly Sunny
    then Showers
    Likely

  • Thursday Night

    Thursday Night: Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am. Mostly cloudy, with a low around 65. Chance of precipitation is 60%.

    Low: 65 °F

    Showers
    Likely then
    Chance
    T-storms

  • Friday

    Friday: Mostly sunny, with a high near 85.

    High: 85 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 79. West wind around 8 mph.
Tonight
Mostly clear, with a low around 56. Light west wind.
Tuesday
Mostly sunny, with a high near 81. Calm wind becoming northwest 5 to 7 mph in the morning.
Tuesday Night
Partly cloudy, with a low around 58. Calm wind.
Wednesday
Mostly sunny, with a high near 85. Calm wind becoming south around 6 mph in the afternoon.
Wednesday Night
A slight chance of showers after 2am. Mostly cloudy, with a low around 66. Chance of precipitation is 20%.
Thursday
Showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 86. Chance of precipitation is 60%.
Thursday Night
Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am. Mostly cloudy, with a low around 65. Chance of precipitation is 60%.
Friday
Mostly sunny, with a high near 85.
Friday Night
Partly cloudy, with a low around 63.
Saturday
Mostly sunny, with a high near 84.
Saturday Night
Partly cloudy, with a low around 64.
Sunday
Mostly sunny, with a high near 86.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Saint Thomas PA
 39.92°N 77.8°W (Elev. 610 ft)
Last Update:
2:21 pm EDT Aug 24, 2026
Forecast Valid:
2pm EDT Aug 24, 2026-6pm EDT Aug 30, 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