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Nantucket High School Weather Forecast
| TODAY | TONIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT |
 |  | |  |  | |  | | |  | | |
| Mostly Sunny | Clearing | Sunny | Chance of Showers | Chance of Showers | Partly Cloudy | Partly Cloudy | Chance of Showers | Chance of Showers | Showers | Chance of Showers | Chance of Showers |
| Hi: 71°FHi: 22°C | Lo: 69°FLo: 21°C | Hi: 75°FHi: 24°C | Lo: 69°FLo: 21°C | Hi: 71°FHi: 22°C | Hi: 71°FHi: 22°C Lo: 65°FLo: 18°C | Hi: 71°FHi: 22°C Lo: 65°FLo: 18°C | Lo: 69°FLo: 21°C | Hi: 75°FHi: 24°C | Lo: 69°FLo: 21°C | Hi: 75°FHi: 24°C | Lo: 65°FLo: 18°C |
| POP: 40% | POP: 30% | POP: 40% | POP: 40% | POP: 60% | POP: 50% | POP: 30% |
POP = Probability of Precipitation.
Weather Outlook Updated: 702 AM EDT Sat Aug 29 2026 
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Instant definitions for any meteorological term.
Instant definitions for any meteorological term.
Issued: 725 AM EDT Sat Aug 29 2026
Key Messages
- A fall-like feel with seasonable temperatures and very low humidity today, becoming more summer-like Sunday. The weekend remains dry, with increasing clouds late Sunday.
- Cloudy and unsettled early to mid next week with several opportunities for showers and storms. While Monday now looks cloudy but generally dry, better chances for showers and storms are anticipated for Tuesday through Thursday.
Discussion
... KEY MESSAGE 1...A fall-like feel with seasonable temperatures and very low hu...