Defiance, PA Weather Forecast
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Defiance Weather Forecast
| TODAY | TONIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT |
| Chance of Showers | Mostly Cloudy | Chance of T-Storm | Chance of T-Storm | Chance of Showers | Partly Cloudy | Mostly Sunny | Partly Cloudy | Mostly Sunny | Mostly Clear | Chance of Showers | Chance of Showers |
| Hi: 79°FHi: 26°C | Lo: 61°FLo: 16°C | Hi: 75°FHi: 24°C | Lo: 65°FLo: 18°C | Hi: 81°FHi: 27°C | Lo: 61°FLo: 16°C | Hi: 75°FHi: 24°C | Lo: 55°FLo: 13°C | Hi: 79°FHi: 26°C | Lo: 61°FLo: 16°C | Hi: 81°FHi: 27°C | Lo: 65°FLo: 18°C |
| POP: 50% | POP: 90% | POP: 90% | POP: 50% | POP: 40% | POP: 40% |
POP = Probability of Precipitation.
Weather Outlook Updated: 600 AM EDT Fri Sep 11 2026 

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Issued: 150 AM EDT Fri Sep 11 2026
Key Messages
1) Showers and perhaps a brief thunderstorm tapering off from northwest to southeast early today.
2) A nice afternoon today, but increasing chance for widespread moderate to perhaps heavy rain late Saturday into early Sunday.
Discussion
... KEY MESSAGE 1: Showers and perhaps a brief thunderstorm tapering off from northwest to southeast early today.
A cold front nearly bisecting PA from NE to SW will push slowly south through the rest of the state this afternoon and evening before stallin...
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