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Grass Mountain Trail Weather Forecast
| REST OF TONIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY |
 |  |  |  | | |  | | | | | |
| Clear | Chance of Showers | Mostly Cloudy | Mostly Sunny | Chance of Showers | Showers | Chance of Showers | Sunny | Mostly Clear | Sunny | Mostly Clear | Mostly Sunny |
| Lo: 61°FLo: 16°C | Hi: 75°FHi: 24°C | Lo: 49°FLo: 9°C | Hi: 65°FHi: 18°C | Lo: 51°FLo: 11°C | Hi: 71°FHi: 22°C | Lo: 35°FLo: 2°C | Hi: 50°FHi: 10°C | Lo: 31°FLo: -1°C | Hi: 59°FHi: 15°C | Lo: 35°FLo: 2°C | Hi: 61°FHi: 16°C |
| POP: 40% | POP: 90% | POP: 90% | POP: 90% |
POP = Probability of Precipitation.
Weather Outlook Updated: 130 AM EDT Wed Oct 14 2026 
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Issued: 153 AM EDT Wed Oct 14 2026
Key Messages
1) Big temperature swing ahead with record challenging warmth followed by major cooldown this weekend
2) Windy and wet end to the week with first flakes in the higher terrain
Discussion
... KEY MESSAGE 1: Big temperature swing ahead with record challenging warmth followed by major cooldown this weekend
Abundant sunshine and gusty southwest breeze fueling record challenging warmth this afternoon across central PA. It`s an OcTOASTer pattern for sure. The unseasonably mild temperatures cont...