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Dorchester Weather Forecast
| REST OF TONIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY |
 |  | |  | |  |  |  |  | | | |
| Mostly Clear | Sunny | Mostly Clear | Patchy Fog | Mostly Clear | Chance of Showers | Partly Cloudy | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm |
| Lo: 65°FLo: 18°C | Hi: 89°FHi: 32°C | Lo: 65°FLo: 18°C | Hi: 89°FHi: 32°C | Lo: 69°FLo: 21°C | Hi: 90°FHi: 32°C | Lo: 69°FLo: 21°C | Hi: 89°FHi: 32°C | Lo: 69°FLo: 21°C | Hi: 81°FHi: 27°C | Lo: 65°FLo: 18°C | Hi: 75°FHi: 24°C |
| POP: 20% | POP: 50% | POP: 50% | POP: 70% | POP: 70% | POP: 60% |
POP = Probability of Precipitation.
Weather Outlook Updated: 212 AM EDT Wed Sep 30 2026 
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Issued: 216 AM EDT Wed Sep 30 2026
Key Messages
- 1) The coastal flood risk will linger through the end of this week. Another round of coastal flooding is possible next week.
- 2) Above normal temperatures with minimal rain chances expected today and Thursday.
- 3) Unsettled weather will return late week into the weekend with fall-like conditions early next week.
Discussion
... KEY MESSAGE 1: The coastal flood risk will linger through the end of this week. Another round of coastal flooding is possible next week.
Astronomical tides continue...