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Boston Common Weather Forecast
| TODAY | TONIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | SATURDAY |
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| Chance of T-Storm | Chance of Showers | Chance of Showers | Clear | Sunny | Mostly Clear | Mostly Clear | Partly Cloudy | Partly Cloudy | Chance of Showers | Chance of Showers | Chance of Showers |
| Hi: 71°FHi: 22°C | Lo: 61°FLo: 16°C | Hi: 75°FHi: 24°C | Lo: 51°FLo: 11°C | Hi: 65°FHi: 18°C | Hi: 79°FHi: 26°C Lo: 55°FLo: 13°C | Hi: 79°FHi: 26°C Lo: 55°FLo: 13°C | Hi: 75°FHi: 24°C Lo: 61°FLo: 16°C | Hi: 75°FHi: 24°C Lo: 61°FLo: 16°C | Hi: 79°FHi: 26°C Lo: 55°FLo: 13°C | Hi: 79°FHi: 26°C Lo: 55°FLo: 13°C | Hi: 69°FHi: 21°C |
| POP: 100% | POP: 40% | POP: 30% | POP: 30% | POP: 30% | POP: 30% |
POP = Probability of Precipitation.
Weather Outlook Updated: 404 AM EDT Sun Sep 13 2026 
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Issued: 339 AM EDT Sun Sep 13 2026
Key Messages
- Showers with a few embedded thunderstorms overspread the region this morning. Pockets of torrential rainfall bring the potential for localized flash flooding with the greatest risk near the south coast.
- Overall the weather looks rather quiet and mainly dry for the upcoming work week with just the risk for a few showers sometime Thu and/or Fri. Seasonable temps Mon and Tue with a brief bout of summer warmth possible Wed and/or Thu ahead of a cold front.
Discussion
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KEY MESSAGE 1...Sho...