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Governor Thomas Johnson High School, MD Weather Forecast
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Governor Thomas Johnson High School Weather Forecast
| THIS AFTERNOON | TONIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT |
 |  |  |  | |  | |  | | |  | |
| Chance of T-Storm | Chance of T-Storm | Sunny | Mostly Clear | Sunny | Partly Cloudy | Chance of T-Storm | Chance of Showers | Chance of T-Storm | Chance of T-Storm | Chance of Showers | Chance of Showers |
| Hi: 89°FHi: 32°C | Lo: 69°FLo: 21°C | Hi: 81°FHi: 27°C | Lo: 61°FLo: 16°C | Hi: 85°FHi: 29°C | Lo: 69°FLo: 21°C | Hi: 81°FHi: 27°C | Lo: 65°FLo: 18°C | Hi: 79°FHi: 26°C | Lo: 65°FLo: 18°C | Hi: 79°FHi: 26°C | Lo: 65°FLo: 18°C |
| POP: 50% | POP: 40% | POP: 30% | POP: 50% | POP: 50% | POP: 50% | POP: 40% | POP: 40% |
POP = Probability of Precipitation.
Weather Outlook Updated: 232 PM EDT Mon Aug 17 2026 
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Governor Thomas Johnson High School Forecast Discussion
Issued: 1114 AM EDT Mon Aug 17 2026
Key Messages
- 1) A few showers and thunderstorms remain possible until a cold front crosses later today.
- 2) Thunderstorm chances return Wednesday night into Thursday, and continue into next weekend.
Discussion
... KEY MESSAGE 1...A few showers and thunderstorms remain possible until a cold front crosses later today.
Radar as of 1015Z/615AM EDT shows scattered shower activity near and west of the Allegheny Front.
A couple of convectively-augmented shortwaves remain across ...