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Glessner School Weather Forecast
| TONIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY |
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| Clear | Sunny | Clear | Sunny | Mostly Clear | Sunny | Clear | Sunny | Mostly Clear | Sunny | Mostly Clear | Sunny |
| Lo: 35°FLo: 2°C | Hi: 61°FHi: 16°C | Lo: 39°FLo: 4°C | Hi: 61°FHi: 16°C | Lo: 35°FLo: 2°C | Hi: 61°FHi: 16°C | Lo: 35°FLo: 2°C | Hi: 61°FHi: 16°C | Lo: 39°FLo: 4°C | Hi: 59°FHi: 15°C | Lo: 35°FLo: 2°C | Hi: 55°FHi: 13°C |
POP = Probability of Precipitation.
Weather Outlook Updated: 430 PM EDT Sun Oct 18 2026 
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Issued: 153 PM EDT Sun Oct 18 2026
Key Messages
1) Frost/freeze tonight for areas where the growing season remains active.
2) Extended stretch of dry and seasonable weather this week.
Discussion
... KEY MESSAGE 1: Frost/freeze tonight for areas where the growing season remains active.
Widespread temperatures below freezing this morning have resulted in the growing season coming to an end for most of Central PA with the exception of York, Lancaster, and Lebanon Counties. Another night of efficient radiational cooling is expected as hig...