Suffolk County, NY Weather Forecast
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Suffolk County Weather Forecast
| TODAY | TONIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | COLUMBUS DAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT |
| Sunny | Mostly Clear | Sunny | Mostly Clear | Sunny | Partly Cloudy | Chance of Showers | Showers | Chance of Showers | Partly Cloudy | Chance of Showers | Chance of Showers |
| Hi: 70°FHi: 21°C | Lo: 51°FLo: 11°C | Hi: 69°FHi: 21°C | Lo: 51°FLo: 11°C | Hi: 65°FHi: 18°C | Lo: 59°FLo: 15°C | Hi: 69°FHi: 21°C | Lo: 60°FLo: 16°C | Hi: 69°FHi: 21°C | Lo: 59°FLo: 15°C | Hi: 69°FHi: 21°C | Lo: 51°FLo: 11°C |
| POP: 40% | POP: 80% | POP: 80% | POP: 30% | POP: 40% |
POP = Probability of Precipitation.
Weather Outlook Updated: 227 AM EDT Thu Oct 08 2026 

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Issued: 237 AM EDT Thu Oct 8 2026
Key Messages
1) Warm today, otherwise dry and seasonable through Saturday.
2) An area of low pressure will bring rain to the area Sunday into Monday.
Discussion
... .KEY MESSAGE 1... An amplifying shortwave trough dropping into the Northeast will send a weak cold front across the area this morning. The system is moisture starved, but some CAMs continue to show a sprinkle or brief shower possible. Best chance looks to be across southeast CT, where there will be bit more moisture for the system to wor...
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