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Lancaster Senior High School Weather Forecast
| OVERNIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY |
 |  | | | | |  |  |  | | | |
| Mostly Clear | Sunny | Mostly Clear | Sunny | Mostly Clear | Sunny | Partly Cloudy | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm |
| Lo: 69°FLo: 21°C | Hi: 90°FHi: 32°C | Lo: 65°FLo: 18°C | Hi: 91°FHi: 33°C | Lo: 69°FLo: 21°C | Hi: 91°FHi: 33°C | Lo: 70°FLo: 21°C | Hi: 89°FHi: 32°C | Lo: 70°FLo: 21°C | Hi: 89°FHi: 32°C | Lo: 70°FLo: 21°C | Hi: 90°FHi: 32°C |
| POP: 60% | POP: 60% | POP: 50% | POP: 50% | POP: 40% |
POP = Probability of Precipitation.
Weather Outlook Updated: 1008 PM EDT Sun Aug 23 2026 
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Lancaster Senior High School Forecast Discussion
Issued: 805 PM EDT Sun Aug 23 2026
Key Messages
- 1. Seasonal temperatures with afternoon thunderstorm chances each day this week.
Discussion
... KEY MESSAGE 1: Seasonal temperatures with afternoon thunderstorm chances each day into next week.
A few isolated thunderstorms and showers will linger across the eastern and southern Midlands through about 9pm or so. Some gusty winds, thanks to lingering inverted V profiles, and brief heavy rain possible. Quick diurnal cooling after sunset with large dew point depressions and light winds will...