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Needham High School Weather Forecast
| TODAY | TONIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY |
 |  |  |  |  |  | | | | | | |
| Mostly Sunny | Partly Cloudy | Partly Sunny | Mostly Cloudy | Chance of Showers | Showers | Showers | Showers | Showers | Chance of Showers | Mostly Cloudy | Mostly Sunny |
| Hi: 65°FHi: 18°C | Lo: 49°FLo: 9°C | Hi: 61°FHi: 16°C | Lo: 49°FLo: 9°C | Hi: 61°FHi: 16°C | Lo: 51°FLo: 11°C | Hi: 61°FHi: 16°C Lo: 51°FLo: 11°C | Hi: 61°FHi: 16°C Lo: 51°FLo: 11°C | Lo: 51°FLo: 11°C | Hi: 65°FHi: 18°C | Lo: 50°FLo: 10°C | Hi: 69°FHi: 21°C |
| POP: 40% | POP: 70% | POP: 70% | POP: 70% | POP: 70% | POP: 50% |
POP = Probability of Precipitation.
Weather Outlook Updated: 702 AM EDT Wed Sep 23 2026 
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Issued: 719 AM EDT Wed Sep 23 2026
Key Messages
- Dry, cool, and breezy weather continues through Thursday.
- A strong coastal low pressure system will bring impacts to southern New England in the form of rain, rough seas, strong winds, and coastal flooding/erosion Friday into the weekend. Exact timing and magnitude of the winds and rain remain unknown.
Discussion
... KEY MESSAGE 1...Dry, cool, and breezy weather continues through Thursday.
More of the same over the next 48 hours as a sprawling high pressure continues to sit over eastern...