Chambersburg, PA Weather Forecast
Local 7-day forecast
Mostly Cloudy then Chance Showers And Thunderstorms
Track current conditions, temperature changes, wind, and the full daily outlook for Chambersburg, PA in one place.
A chance of showers and thunderstorms between noon and 3pm, then showers and thunderstorms likely between 3pm and 4pm, then a chance of showers and thunderstorms. Mostly cloudy, with a high near 88. West wind around 5 mph. Chance of precipitation is 60%. New rainfall amounts less than a tenth of an inch possible.
Local Weather Overview
This forecast page for Chambersburg, PA is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: Jul 10, 2026 10:07 AM EDT.
The active forecast window currently covers Jul 10 to Jul 16, 2026 for Chambersburg, PA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jul 10 to Jul 16, 2026
- Latest sync
- Jul 10, 2026 10:07 AM EDT
- Forecast office
- CTP
- Source
- NOAA / NWS
Daily Outlook
This Week in Chambersburg
Wednesday looks like the warmest upcoming period in Chambersburg at 96 degrees F.
Saturday Night is the coolest period ahead with temperatures near 63 degrees F.
The strongest winds are forecast for Wednesday at about 2 to 9 mph W.
Precipitation is mentioned in 4 upcoming forecast periods.
Forecast Details
- Last updated
- Jul 10, 2026 10:07 AM EDT
- Coverage
- 7 days
- Time zone
- America/New_York
- Forecast office
- CTP
- Radar station
- KLWX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
A chance of showers and thunderstorms before 8pm, then a chance of showers and thunderstorms between 8pm and 9pm, then a slight chance of showers and thunderstorms between 9pm and 1am. Mostly cloudy, with a low around 67. West wind 0 to 3 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
A chance of showers and thunderstorms after 11am. Mostly cloudy, with a high near 84. North wind 1 to 6 mph. Chance of precipitation is 30%.
A slight chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 63. Northeast wind around 5 mph. Chance of precipitation is 20%.
Mostly sunny, with a high near 85. Northeast wind around 3 mph.
Partly cloudy, with a low around 64.
Sunny, with a high near 85.
Mostly clear, with a low around 64.
Sunny, with a high near 92.
Mostly clear, with a low around 69.
Sunny, with a high near 96.
Partly cloudy, with a low around 69.
Mostly sunny, with a high near 94.
Mostly clear, with a low around 69.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Today
Jul 10
|
Mostly Cloudy then Chance Showers And Thunderstorms
|
88°F |
5 mph
W
|
|
Tonight
Jul 10
|
Chance Showers And Thunderstorms
|
67°F |
0 to 3 mph
W
|
|
Saturday
Jul 11
|
Chance Showers And Thunderstorms
|
84°F |
1 to 6 mph
N
|
|
Saturday Night
Jul 11
|
Slight Chance Showers And Thunderstorms then Partly Cloudy
|
63°F |
5 mph
NE
|
|
Sunday
Jul 12
|
Mostly Sunny
|
85°F |
3 mph
NE
|
|
Sunday Night
Jul 12
|
Partly Cloudy
|
64°F |
0 to 3 mph
E
|
|
Monday
Jul 13
|
Sunny
|
85°F |
0 to 5 mph
W
|
|
Monday Night
Jul 13
|
Mostly Clear
|
64°F |
3 mph
S
|
|
Tuesday
Jul 14
|
Sunny
|
92°F |
0 to 6 mph
SW
|
|
Tuesday Night
Jul 14
|
Mostly Clear
|
69°F |
2 to 6 mph
SW
|
|
Wednesday
Jul 15
|
Sunny
|
96°F |
2 to 9 mph
W
|
|
Wednesday Night
Jul 15
|
Partly Cloudy
|
69°F |
1 to 8 mph
NW
|
|
Thursday
Jul 16
|
Mostly Sunny
|
94°F |
1 to 7 mph
NW
|
|
Thursday Night
Jul 16
|
Mostly Clear
|
69°F |
1 to 6 mph
NW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Chambersburg.
