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Town of Smithtown, NYSmithtown, NY 7-Day Weather Forecast
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Smithtown Weather Forecast
Smithtown, NY Weather Forecast Date: 311 PM EDT Sat Oct 31 2026
Weather forecast for Smithtown, NY
Tonight Lo: 39°F Lo: 4°C |
Tonight... Mostly clear this evening, then becoming partly cloudy. Patchy frost after midnight. Lows in the upper 30s. North winds 5 to 10 mph. |
Sun Hi: 59°FHi: 15°C Lo: 45°F Lo: 7°C |
Sunday... Patchy frost in the morning. Mostly sunny. Highs in the upper 50s. North winds around 5 mph, becoming west in the afternoon. |
| Mon Hi: 65°FHi: 18°C Lo: 49°F Lo: 9°C |
Monday... Sunny. Highs in the mid 60s. Southwest winds 5 to 10 mph. |
| Tue Hi: 65°FHi: 18°C Lo: 51°F Lo: 11°C |
Tuesday... Mostly sunny. Highs in the mid 60s. |
| Wed Hi: 69°FHi: 21°C Lo: 59°F Lo: 15°C |
Wednesday... Mostly sunny. Highs in the upper 60s. |
Thu Hi: 69°FHi: 21°C Lo: 55°F Lo: 13°C |
Thursday... Partly sunny with a 40% chance of showers. Highs in the upper 60s. |
Fri Hi: 69°FHi: 21°C Lo: 51°F Lo: 11°C |
Friday... Showers likely. Highs in the upper 60s. Chance of rain 60%. |
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