Forecast

    Chambersburg, PA
    Forecast for Chambersburg, PA | Forecast Periods: 14
    Tuesday
    Jul 1
    2025

    Chambersburg, PA

    Updated: 2:25 AM EDT

    72°F

    Mostly Cloudy

    3 mph S
    Precipitation: 11%

    Mostly cloudy, with a low around 72. South wind around 3 mph. New rainfall amounts less than a tenth of an inch possible.

    24-Hour Temperature & Dewpoint Trend

    9 AM11 AM1 PM3 PM5 PM7 PM9 PM11 PM1 AM3 AM5 AM7 AM0255075100Temperature (°F)0255075100Percent (%)
    • Temperature
    • Dewpoint
    • Humidity
    • Precipitation

    Hourly Forecast

    TUE04:00
    73°F
    Mostly Cloudy
    Dewpoint:22°Humidity:93%Precip:9%
    TUE05:00
    73°F
    Mostly Cloudy
    Dewpoint:22°Humidity:93%Precip:11%
    TUE06:00
    74°F
    Partly Sunny
    Dewpoint:22°Humidity:92%Precip:13%
    TUE07:00
    75°F
    Partly Sunny
    Dewpoint:22°Humidity:90%Precip:11%
    TUE08:00
    76°F
    Partly Sunny
    Dewpoint:22°Humidity:88%Precip:7%
    TUE09:00
    79°F
    Partly Sunny
    Dewpoint:23°Humidity:82%Precip:14%
    TUE10:00
    81°F
    Slight Chance Showers And Thunderstorms
    Dewpoint:23°Humidity:79%Precip:15%
    TUE11:00
    82°F
    Chance Showers And Thunderstorms
    Dewpoint:23°Humidity:74%Precip:33%
    TUE12:00
    84°F
    Chance Showers And Thunderstorms
    Dewpoint:23°Humidity:72%Precip:43%
    TUE13:00
    83°F
    Showers And Thunderstorms Likely
    Dewpoint:24°Humidity:77%Precip:60%
    TUE14:00
    83°F
    Showers And Thunderstorms Likely
    Dewpoint:23°Humidity:74%Precip:70%
    TUE15:00
    83°F
    Showers And Thunderstorms Likely
    Dewpoint:23°Humidity:74%Precip:68%
    TUE16:00
    80°F
    Showers And Thunderstorms
    Dewpoint:23°Humidity:79%Precip:79%
    TUE17:00
    80°F
    Showers And Thunderstorms
    Dewpoint:23°Humidity:79%Precip:82%
    TUE18:00
    78°F
    Showers And Thunderstorms Likely
    Dewpoint:22°Humidity:82%Precip:61%
    TUE19:00
    77°F
    Chance Showers And Thunderstorms
    Dewpoint:22°Humidity:85%Precip:39%
    WED20:00
    76°F
    Showers And Thunderstorms Likely
    Dewpoint:22°Humidity:85%Precip:55%
    WED21:00
    74°F
    Chance Showers And Thunderstorms
    Dewpoint:22°Humidity:93%Precip:45%
    WED22:00
    74°F
    Chance Showers And Thunderstorms
    Dewpoint:22°Humidity:90%Precip:32%
    WED23:00
    73°F
    Chance Rain Showers
    Dewpoint:21°Humidity:90%Precip:30%
    WED00:00
    72°F
    Chance Rain Showers
    Dewpoint:21°Humidity:93%Precip:26%
    WED01:00
    72°F
    Chance Rain Showers
    Dewpoint:21°Humidity:93%Precip:25%
    WED02:00
    71°F
    Patchy Fog
    Dewpoint:21°Humidity:93%Precip:12%
    WED03:00
    70°F
    Patchy Fog
    Dewpoint:21°Humidity:97%Precip:17%

    7-Day Forecast

    Tuesday

    Tue, Jul 1
    87°F
    Chance Showers And Thunderstorms
    6 mph SW
    Precipitation: 82%
    A chance of showers and thunderstorms between 10am and 1pm, then showers and thunderstorms likely between 1pm and 2pm, then showers and thunderstorms likely between 2pm and 4pm, then showers and thunderstorms. Mostly cloudy. High near 87, with temperatures falling to around 80 in the afternoon. Southwest wind around 6 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.

    Tuesday Night

    Tue, Jul 1
    68°F
    Showers And Thunderstorms Likely then Chance Showers And Thunderstorms
    3 mph SW
    Precipitation: 61%
    Showers and thunderstorms likely before 7pm, then a chance of showers and thunderstorms between 7pm and 8pm, then showers and thunderstorms likely between 8pm and 9pm, then a chance of showers and thunderstorms between 9pm and 1am, then a chance of rain showers and patchy fog between 1am and 3am, then areas of fog and a slight chance of rain showers. Mostly cloudy, with a low around 68. Southwest wind around 3 mph. Chance of precipitation is 60%. New rainfall amounts between a half and three quarters of an inch possible.

    Wednesday

    Wed, Jul 2
    87°F
    Patchy Fog then Mostly Sunny
    3 mph NW
    Precipitation: 11%
    Patchy fog before 8am. Mostly sunny, with a high near 87. Northwest wind around 3 mph. New rainfall amounts less than a tenth of an inch possible.

    Wednesday Night

    Wed, Jul 2
    65°F
    Mostly Clear
    3 mph W
    Precipitation: 11%
    Mostly clear, with a low around 65. West wind around 3 mph.

    Thursday

    Thu, Jul 3
    87°F
    Sunny
    1 mph NW
    Precipitation: 10%
    Sunny, with a high near 87.

    Thursday Night

    Thu, Jul 3
    62°F
    Mostly Clear
    1 mph NW
    Precipitation: 10%
    Mostly clear, with a low around 62.

    Independence Day

    Fri, Jul 4
    87°F
    Sunny
    1 mph NW
    Precipitation: 3%
    Sunny, with a high near 87.

    Friday Night

    Fri, Jul 4
    63°F
    Mostly Clear
    0 mph NW
    Precipitation: 3%
    Mostly clear, with a low around 63.

    Saturday

    Sat, Jul 5
    89°F
    Mostly Sunny
    0 mph W
    Precipitation: 10%
    Mostly sunny, with a high near 89.

    Saturday Night

    Sat, Jul 5
    69°F
    Mostly Cloudy
    3 mph S
    Precipitation: 10%
    Mostly cloudy, with a low around 69.

    Sunday

    Sun, Jul 6
    93°F
    Mostly Sunny then Slight Chance Showers And Thunderstorms
    2 mph SW
    Precipitation: 16%
    A slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 93.

    Sunday Night

    Sun, Jul 6
    71°F
    Slight Chance Showers And Thunderstorms
    5 mph S
    Precipitation: 22%
    A slight chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 71.

    Monday

    Mon, Jul 7
    92°F
    Mostly Sunny then Chance Showers And Thunderstorms
    5 mph SW
    Precipitation: 36%
    A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 92.

    Display Settings

    Weather Insights

    Temperature

    The current temperature in Chambersburg is 72°F.

    Wind

    The wind in Chambersburg is currently blowing from the S at 3 mph.

    Humidity

    Humidity data is not available for this period.

    Precipitation

    There is a 11% chance of precipitation.

    Dew Point

    Dewpoint data is not available for this period.