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Frederick Muni, MD Weather Forecast
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Frederick Muni Weather Forecast
| REST OF THIS AFTERNOON | TONIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | LABOR DAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT |
 |  | |  |  |  |  |  | | | | |
| Chance of T-Storm | Thunderstorms | Chance of T-Storm | Chance of T-Storm | Mostly Cloudy | Partly Cloudy | Sunny | Mostly Clear | Sunny | Mostly Clear | Mostly Sunny | Partly Cloudy |
| Hi: 90°FHi: 32°C | Lo: 71°FLo: 22°C | Hi: 89°FHi: 32°C | Lo: 69°FLo: 21°C | Hi: 80°FHi: 27°C | Lo: 60°FLo: 16°C | Hi: 79°FHi: 26°C | Lo: 59°FLo: 15°C | Hi: 79°FHi: 26°C | Lo: 59°FLo: 15°C | Hi: 81°FHi: 27°C | Lo: 61°FLo: 16°C |
| POP: 20% | POP: 70% | POP: 50% | POP: 50% |
POP = Probability of Precipitation.
Weather Outlook Updated: 457 PM EDT Thu Sep 03 2026 
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Issued: 606 PM EDT Thu Sep 3 2026
Key Messages
- 1) Hot temperatures, high humidity, and severe thunderstorm chances look to continue through Friday.
- 2) Mostly dry conditions and lowering humidity for the Labor Day holiday weekend ahead.
Discussion
... KEY MESSAGE 1...Heat, humidity, and severe thunderstorm chances look to continue through Friday.
A Severe T-Storm Watch is in effect until midnight for portions of far western MD and the eastern WV mountains. Damaging winds, large hail, and locally heavy rainfall will be the primary thr...