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Borough of Chambersburg, PAChambersburg, PA Weather Forecast
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Chambersburg Weather Forecast
| TODAY | TONIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT |
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| Patchy Fog | Mostly Clear | Mostly Sunny | Partly Cloudy | Mostly Cloudy | Mostly Cloudy | Sunny | Mostly Clear | Sunny | Partly Cloudy | Partly Sunny | Mostly Cloudy |
| Hi: 70°FHi: 21°C | Lo: 45°FLo: 7°C | Hi: 69°FHi: 21°C | Lo: 41°FLo: 5°C | Hi: 65°FHi: 18°C | Lo: 45°FLo: 7°C | Hi: 71°FHi: 22°C | Lo: 49°FLo: 9°C | Hi: 75°FHi: 24°C | Lo: 49°FLo: 9°C | Hi: 70°FHi: 21°C | Lo: 50°FLo: 10°C |
POP = Probability of Precipitation.
Weather Outlook Updated: 1031 AM EDT Mon Oct 26 2026 
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Issued: 457 AM EDT Mon Oct 26 2026
Key Messages
1) Rain-free conditions will persist through the end of October and possibly the first day of November
Discussion
... KEY MESSAGE 1: Rain-free conditions will persist through the end of October and possibly the first day of November
An area of high pressure will settle south across the Carolinas and southern Appalachians today, allowing a weak/dry cold front to drift southeast across the District this afternoon and evening. Outside of a few sprinkles across the Northern Mountains later ...