Critical Fire Weather in the Plains; Unseasonably Warm in the Southwest and Southern U.S.

Unseasonably warm temperatures continue through the weekend across the Southwest and southern U.S., with more than 100 record or near record maximum temperatures forecast through the rest of the week and over the weekend. Elevated to critical fire weather conditions will persist across the Plains and Southeast U.S. this weekend. Read More >

Current conditions at

Hagerstown, Washington County Regional Airport (KHGR)

Lat: 39.71°NLon: 77.73°WElev: 702ft.

Fair

41°F

5°C

Humidity 41%
Wind Speed S 8 mph
Barometer 30.51 in (1034.8 mb)
Dewpoint 19°F (-7°C)
Visibility 10.00 mi
Wind Chill36°F (2°C)
Last update 29 Mar 8:53 am EDT
Extended Forecast for

3 Miles N Mercersburg PA

  • Today

    Today: Mostly sunny, with a high near 61. Calm wind becoming south 5 to 8 mph in the morning.

    High: 61 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 42. South wind 3 to 5 mph.

    Low: 42 °F

    Partly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 69. Southwest wind 3 to 8 mph.

    High: 69 °F

    Partly Sunny

  • Monday Night

    Monday Night: A slight chance of showers after 2am.  Mostly cloudy, with a low around 55. Calm wind.  Chance of precipitation is 20%.

    Low: 55 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Tuesday

    Tuesday: A slight chance of showers before 8am, then a slight chance of showers after 2pm.  Mostly sunny, with a high near 79. Southwest wind 5 to 10 mph, with gusts as high as 22 mph.  Chance of precipitation is 20%.

    High: 79 °F

    Mostly Sunny
    then Slight
    Chance
    Showers

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 62.

    Low: 62 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A chance of showers, then showers likely and possibly a thunderstorm after 2pm.  Partly sunny, with a high near 75. Chance of precipitation is 70%.

    High: 75 °F

    Chance
    Showers then
    Showers
    Likely

  • Wednesday Night

    Wednesday Night: Showers likely and possibly a thunderstorm.  Mostly cloudy, with a low around 49. Chance of precipitation is 70%.

    Low: 49 °F

    Showers
    Likely

  • Thursday

    Thursday: Showers likely, mainly after 2pm.  Mostly cloudy, with a high near 62. Chance of precipitation is 60%.

    High: 62 °F

    Showers
    Likely

Detailed Forecast

Today
Mostly sunny, with a high near 61. Calm wind becoming south 5 to 8 mph in the morning.
Tonight
Partly cloudy, with a low around 42. South wind 3 to 5 mph.
Monday
Partly sunny, with a high near 69. Southwest wind 3 to 8 mph.
Monday Night
A slight chance of showers after 2am. Mostly cloudy, with a low around 55. Calm wind. Chance of precipitation is 20%.
Tuesday
A slight chance of showers before 8am, then a slight chance of showers after 2pm. Mostly sunny, with a high near 79. Southwest wind 5 to 10 mph, with gusts as high as 22 mph. Chance of precipitation is 20%.
Tuesday Night
Partly cloudy, with a low around 62.
Wednesday
A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 75. Chance of precipitation is 70%.
Wednesday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 49. Chance of precipitation is 70%.
Thursday
Showers likely, mainly after 2pm. Mostly cloudy, with a high near 62. Chance of precipitation is 60%.
Thursday Night
Showers likely, mainly before 2am. Mostly cloudy, with a low around 46. Chance of precipitation is 60%.
Friday
Showers likely. Mostly cloudy, with a high near 66. Chance of precipitation is 60%.
Friday Night
A chance of showers. Mostly cloudy, with a low around 54. Chance of precipitation is 50%.
Saturday
A chance of showers. Mostly cloudy, with a high near 73. Chance of precipitation is 50%.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles N Mercersburg PA
 39.87°N 77.9°W (Elev. 564 ft)
8:06 am EDT Mar 29, 2026
9am EDT Mar 29, 2026-6pm EDT Apr 4, 2026
 
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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