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City of Rockville, MDRockville, MD Weather Forecast
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Rockville Weather Forecast
| THIS AFTERNOON | TONIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT |
 |  |  |  |  | |  |  | | | |  |
| Thunderstorms | Chance of T-Storm | Mostly Sunny | Chance of Showers | Chance of T-Storm | Chance of T-Storm | Partly Sunny | Mostly Clear | Sunny | Mostly Clear | Sunny | Partly Cloudy |
| Hi: 85°FHi: 29°C | Lo: 65°FLo: 18°C | Hi: 81°FHi: 27°C | Lo: 69°FLo: 21°C | Hi: 81°FHi: 27°C | Lo: 65°FLo: 18°C | Hi: 81°FHi: 27°C | Lo: 61°FLo: 16°C | Hi: 80°FHi: 27°C | Lo: 61°FLo: 16°C | Hi: 81°FHi: 27°C | Lo: 65°FLo: 18°C |
| POP: 80% | POP: 80% | POP: 70% | POP: 70% | POP: 40% |
POP = Probability of Precipitation.
Weather Outlook Updated: 226 PM EDT Thu Aug 20 2026 
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Rockville Forecast Discussion
Issued: 1038 AM EDT Thu Aug 20 2026
Key Messages
- 1) Severe weather is possible, mainly east of the Blue Ridge this afternoon into early evening.
- 2) After a brief lull Friday, additional showers and a few thunderstorms are possible Friday night into Saturday.
- 3) Lingering chance for showers and thunderstorms on Sunday.
- 4) Drier and less humid conditions to start next week.
Discussion
... KEY MESSAGE 1...Severe weather is possible, mainly east of the Blue Ridge this afternoon into early evening.
A slow-movi...