Chambersburg, PA Weather Forecast
Local 7-day forecast
Mostly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Chambersburg, PA in one place.
Mostly sunny, with a high near 91.
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: Jun 4, 2026 4:14 AM EDT.
The active forecast window currently covers Jun 6 to Jun 10, 2026 for Chambersburg, PA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jun 6 to Jun 10, 2026
- Latest sync
- Jun 4, 2026 4:14 AM EDT
- Forecast office
- CTP
- Source
- NOAA / NWS
Daily Outlook
This Week in Chambersburg
Saturday looks like the warmest upcoming period in Chambersburg at 91 degrees F.
Monday Night is the coolest period ahead with temperatures near 55 degrees F.
The strongest winds are forecast for Saturday at about 1 to 10 mph SW.
Precipitation is mentioned in 5 upcoming forecast periods.
Forecast Details
- Last updated
- Jun 4, 2026 4:14 AM EDT
- Coverage
- 5 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 between 8pm and 2am, then showers and thunderstorms likely. Mostly cloudy, with a low around 65. Chance of precipitation is 60%.
Showers and thunderstorms likely before 2pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 85. Chance of precipitation is 60%.
A chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 60. Chance of precipitation is 50%.
A slight chance of rain showers between 8am and 2pm. Mostly sunny, with a high near 78.
Partly cloudy, with a low around 55.
Mostly sunny, with a high near 79.
Partly cloudy, with a low around 59.
A slight chance of rain showers after 2pm. Mostly sunny, with a high near 84.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Saturday
Jun 6
|
Mostly Sunny
|
91°F |
1 to 10 mph
SW
|
|
Saturday Night
Jun 6
|
Chance Showers And Thunderstorms
|
65°F |
2 to 9 mph
W
|
|
Sunday
Jun 7
|
Showers And Thunderstorms Likely
|
85°F |
3 to 8 mph
NW
|
|
Sunday Night
Jun 7
|
Chance Showers And Thunderstorms
|
60°F |
7 mph
NE
|
|
Monday
Jun 8
|
Slight Chance Rain Showers
|
78°F |
8 mph
NE
|
|
Monday Night
Jun 8
|
Partly Cloudy
|
55°F |
2 to 8 mph
E
|
|
Tuesday
Jun 9
|
Mostly Sunny
|
79°F |
6 mph
NE
|
|
Tuesday Night
Jun 9
|
Partly Cloudy
|
59°F |
1 to 6 mph
NE
|
|
Wednesday
Jun 10
|
Mostly Sunny then Slight Chance Rain Showers
|
84°F |
1 to 5 mph
NE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Chambersburg.
