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

Critical Fire Weather Conditions Continue; Pacific Storm to Bring Heavy Snow to the Sierra-Nevada

Critical fire weather conditions are forecast for the Southern Plains and portions of Florida through Thursday, as gusty winds and dry conditions return to the region. A Pacific storm system will bring strong winds and low elevation rain to much of the West Coast and central Great Basin, and heavy high elevation mountain snow to the Sierra-Nevada through Wednesday. Read More >

Current conditions at

Hagerstown, Washington County Regional Airport (KHGR)

Lat: 39.71°NLon: 77.73°WElev: 702ft.

Fair

51°F

11°C

Humidity 33%
Wind Speed SW 7 G 16 mph
Barometer 30.31 in (1027.7 mb)
Dewpoint 23°F (-5°C)
Visibility 10.00 mi
Wind Chill48°F (9°C)
Last update 21 Apr 12:53 pm EDT
Extended Forecast for

Chambersburg PA

  • This Afternoon

    This Afternoon: Sunny, with a high near 58. South wind 6 to 8 mph.

    High: 58 °F

    Sunny

  • Tonight

    Tonight: Scattered showers, mainly between 3am and 5am. Increasing clouds, with a low around 45. South wind 3 to 5 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 45 °F

    Partly Cloudy
    then
    Scattered
    Showers

  • Wednesday

    Wednesday: Scattered showers. Mostly cloudy, with a high near 69. Calm wind becoming west around 6 mph in the afternoon. Chance of precipitation is 40%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 69 °F

    Scattered
    Showers

  • Wednesday Night

    Wednesday Night: Scattered showers before 8pm. Partly cloudy, with a low around 48. Calm wind. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 48 °F

    Scattered
    Showers then
    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 78. Light northwest wind.

    High: 78 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 52.

    Low: 52 °F

    Partly Cloudy

  • Friday

    Friday: A chance of showers after 2pm. Mostly sunny, with a high near 76. Chance of precipitation is 30%.

    High: 76 °F

    Mostly Sunny
    then Chance
    Showers

  • Friday Night

    Friday Night: A chance of showers. Mostly cloudy, with a low around 52. Chance of precipitation is 50%.

    Low: 52 °F

    Chance
    Showers

  • Saturday

    Saturday: Showers. High near 62. Chance of precipitation is 80%.

    High: 62 °F

    Showers

Detailed Forecast

This Afternoon
Sunny, with a high near 58. South wind 6 to 8 mph.
Tonight
Scattered showers, mainly between 3am and 5am. Increasing clouds, with a low around 45. South wind 3 to 5 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
Scattered showers. Mostly cloudy, with a high near 69. Calm wind becoming west around 6 mph in the afternoon. Chance of precipitation is 40%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday Night
Scattered showers before 8pm. Partly cloudy, with a low around 48. Calm wind. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Thursday
Sunny, with a high near 78. Light northwest wind.
Thursday Night
Partly cloudy, with a low around 52.
Friday
A chance of showers after 2pm. Mostly sunny, with a high near 76. Chance of precipitation is 30%.
Friday Night
A chance of showers. Mostly cloudy, with a low around 52. Chance of precipitation is 50%.
Saturday
Showers. High near 62. Chance of precipitation is 80%.
Saturday Night
Showers, mainly before 2am. Low around 46. Chance of precipitation is 80%.
Sunday
A chance of showers. Mostly cloudy, with a high near 62. Chance of precipitation is 40%.
Sunday Night
Partly cloudy, with a low around 44.
Monday
Mostly sunny, with a high near 66.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Chambersburg PA
 39.93°N 77.66°W (Elev. 617 ft)
Last Update:
8:06 am EDT Apr 21, 2026
Forecast Valid:
1pm EDT Apr 21, 2026-6pm EDT Apr 27, 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