Cornwall, PA Weather Forecast
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Cornwall Weather Forecast
| THIS AFTERNOON | TONIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT |
| Sunny | Partly Cloudy | Sunny | Mostly Clear | Mostly Sunny | Mostly Cloudy | Mostly Sunny | Mostly Clear | Sunny | Partly Cloudy | Mostly Sunny | Mostly Cloudy |
| Hi: 69°FHi: 21°C | Lo: 45°FLo: 7°C | Hi: 61°FHi: 16°C | Lo: 41°FLo: 5°C | Hi: 65°FHi: 18°C | Lo: 45°FLo: 7°C | Hi: 70°FHi: 21°C | Lo: 49°FLo: 9°C | Hi: 75°FHi: 24°C | Lo: 49°FLo: 9°C | Hi: 69°FHi: 21°C | Lo: 49°FLo: 9°C |
POP = Probability of Precipitation.
Weather Outlook Updated: 130 PM EDT Mon Oct 26 2026 

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Instant definitions for any meteorological term.
Instant definitions for any meteorological term.
Issued: 1221 PM 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
Noon Update... The cold front has made it to the USA/Canadian border, as this front has limited moisture and will eventually lead to some cloud cover this evening into the night. For the meantime clear skies continue to dominate the region. Once the front pa...
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