Excelsior, PA Weather Forecast
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| OVERNIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY |
| Clear | Sunny | Clear | Sunny | Mostly Clear | Sunny | Mostly Clear | Sunny | Mostly Clear | Sunny | Mostly Clear | Sunny |
| Lo: 30°FLo: -1°C | Hi: 59°FHi: 15°C | Lo: 35°FLo: 2°C | Hi: 65°FHi: 18°C | Lo: 39°FLo: 4°C | Hi: 65°FHi: 18°C | Lo: 39°FLo: 4°C | Hi: 65°FHi: 18°C | Lo: 39°FLo: 4°C | Hi: 65°FHi: 18°C | Lo: 41°FLo: 5°C | Hi: 61°FHi: 16°C |
POP = Probability of Precipitation.
Weather Outlook Updated: 1030 PM EDT Sat Oct 17 2026 

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Issued: 944 PM EDT Sat Oct 17 2026
Key Messages
1) Frost/Freeze late tonight into early Sunday morning
2) Extended stretch of dry weather next week
Discussion
... KEY MESSAGE 1: Frost/Freeze late tonight into early Sunday morning
930 PM Update... We took a couple degs off the normally cold spots for overnight. BFD, SEG and THV are doing what they do...dropping fast. It`s real. They just radiate efficiently and get a cold pool in their repective local low spots. This makes it easier to justify - and perhaps verify - the freeze warning....
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