St. John School, CT Weather Forecast
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St. John School Weather Forecast
| TODAY | TONIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT |
| Mostly Sunny | Mostly Cloudy | Sunny | Clear | Sunny | Mostly Clear | Sunny | Clear | Sunny | Mostly Clear | Sunny | Mostly Clear |
| Hi: 55°FHi: 13°C | Lo: 41°FLo: 5°C | Hi: 61°FHi: 16°C | Lo: 39°FLo: 4°C | Hi: 55°FHi: 13°C | Lo: 31°FLo: -1°C | Hi: 59°FHi: 15°C | Lo: 35°FLo: 2°C | Hi: 61°FHi: 16°C | Lo: 40°FLo: 4°C | Hi: 65°FHi: 18°C | Lo: 45°FLo: 7°C |
POP = Probability of Precipitation.
Weather Outlook Updated: 221 AM EDT Wed Oct 21 2026 

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Issued: 439 AM EDT Wed Oct 21 2026
Key Messages
1) Mainly dry conditions will continue into early next week with gusty N-NE winds continuing through the end of this week.
2) Minor coastal flooding expected across the south shore back bays of Nassau, western portions of the Great South Bay, and lower NY Harbor with late this afternoon/early evening high tide. Additional localized minor coastal flooding possible on Thursday.
Discussion
... .KEY MESSAGE 1... The low pressure/nor`easter located about 350 miles southeast of Fire Island wi...
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