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Armstrong Weather Forecast
| TODAY | TONIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT |
 |  |  |  | | | |  | | | | |
| Isolated Showers | Partly Cloudy | Mostly Sunny | Chance of Showers | Showers | Showers | Sunny | Clear | Sunny | Mostly Clear | Mostly Sunny | Partly Cloudy |
| Hi: 75°FHi: 24°C | Lo: 50°FLo: 10°C | Hi: 65°FHi: 18°C | Lo: 51°FLo: 11°C | Hi: 71°FHi: 22°C | Lo: 39°FLo: 4°C | Hi: 50°FHi: 10°C | Lo: 31°FLo: -1°C | Hi: 60°FHi: 16°C | Lo: 35°FLo: 2°C | Hi: 61°FHi: 16°C | Lo: 41°FLo: 5°C |
| POP: 20% | POP: 100% | POP: 100% | POP: 100% |
POP = Probability of Precipitation.
Weather Outlook Updated: 616 AM EDT Wed Oct 14 2026 
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Issued: 627 AM EDT Wed Oct 14 2026
Key Messages
1) Weak cold front today, then a stronger system moves across PA on Thursday night and Friday
2) Windy and wet end to the week with first flakes in the higher terrain
3) Cold weather may end the growing season for many places Sat and Sun mornings.
Discussion
... KEY MESSAGE 1: Weak cold front today, then a stronger system moves across PA on Thursday night and Friday
Low pressure over NY this morning will move east and drag a cold front down from the north and across all of PA by 00Z. SHRA...