Weather World
Town of Smithtown, NYSmithtown, NY Weather Forecast
Quick Weather Clicks
Settings
Sun & Moon
Smithtown Weather Forecast
| TODAY | TONIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT |
 |  | | | | | | | | | |  |
| Sunny | Clear | Sunny | Mostly Clear | Sunny | Clear | Sunny | Clear | Sunny | Mostly Clear | Sunny | Partly Cloudy |
| Hi: 61°FHi: 16°C | Lo: 41°FLo: 5°C | Hi: 55°FHi: 13°C | Lo: 39°FLo: 4°C | Hi: 59°FHi: 15°C | Lo: 41°FLo: 5°C | Hi: 60°FHi: 16°C | Lo: 41°FLo: 5°C | Hi: 65°FHi: 18°C | Lo: 49°FLo: 9°C | Hi: 61°FHi: 16°C | Lo: 45°FLo: 7°C |
POP = Probability of Precipitation.
Weather Outlook Updated: 312 AM EDT Thu Oct 22 2026 
Smithtown Radar Loop
Use the map search tool if you want to place a location marker on the radar map...
Smithtown Weather Map
Smithtown Quick Facts
Smithtown Forecast Discussion
Meteorlogic Glosserator
Instant definitions for any meteorological term.
Instant definitions for any meteorological term.
Issued: 710 AM EDT Thu Oct 22 2026
Key Messages
1) Dry conditions expected through early next week with gradually decreasing N-NE winds through the end of this week.
2) Isolated minor flooding in some of the back bays this morning. Subsequent tide cycles look marginal at best to reach minor benchmarks.
Discussion
... .KEY MESSAGE 1... Deepening low pressure over the western Atlantic, along the 70th meridian and south of the 40th parallel, will track northeast today, away from the coast. High pressure will then slowly build in through...