Weather in Smithtown, New York, United States

7-Day Detailed Weather Forecast for Smithtown

This Afternoon

Temperature: 85°F

Wind Speed: 8 mph

Wind Direction: SW

Forecast: Mostly sunny. High near 85, with temperatures falling to around 81 in the afternoon. Southwest wind around 8 mph.

Tonight

Temperature: 69°F

Wind Speed: 9 mph

Wind Direction: SW

Forecast: Partly cloudy, with a low around 69. Southwest wind around 9 mph.

Sunday

Temperature: 90°F

Wind Speed: 7 to 13 mph

Wind Direction: SW

Forecast: Mostly sunny. High near 90, with temperatures falling to around 86 in the afternoon. Southwest wind 7 to 13 mph.

Sunday Night

Temperature: 73°F

Wind Speed: 6 to 13 mph

Wind Direction: SW

Forecast: Mostly clear, with a low around 73. Southwest wind 6 to 13 mph.

Monday

Temperature: 87°F

Wind Speed: 6 to 12 mph

Wind Direction: S

Forecast: A chance of showers and thunderstorms after 11am. Partly sunny. High near 87, with temperatures falling to around 84 in the afternoon. South wind 6 to 12 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.

Monday Night

Temperature: 72°F

Wind Speed: 6 to 12 mph

Wind Direction: S

Forecast: A chance of showers and thunderstorms before 2am, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 72. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch possible.

Tuesday

Temperature: 88°F

Wind Speed: 8 mph

Wind Direction: SW

Forecast: Showers and thunderstorms likely. Partly sunny, with a high near 88. Chance of precipitation is 60%.

Tuesday Night

Temperature: 72°F

Wind Speed: 3 to 7 mph

Wind Direction: W

Forecast: Showers and thunderstorms likely before 8pm, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 72. Chance of precipitation is 60%.

Wednesday

Temperature: 87°F

Wind Speed: 6 mph

Wind Direction: W

Forecast: A chance of rain showers before 2pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 87. Chance of precipitation is 30%.

Wednesday Night

Temperature: 70°F

Wind Speed: 2 to 6 mph

Wind Direction: SE

Forecast: A chance of showers and thunderstorms before 8pm, then a slight chance of showers and thunderstorms. Mostly cloudy, with a low around 70. Chance of precipitation is 30%.

Thursday

Temperature: 83°F

Wind Speed: 3 to 8 mph

Wind Direction: E

Forecast: A chance of rain showers before 2pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 83. Chance of precipitation is 50%.

Thursday Night

Temperature: 69°F

Wind Speed: 7 mph

Wind Direction: E

Forecast: A chance of showers and thunderstorms. Cloudy, with a low around 69. Chance of precipitation is 50%.

Friday

Temperature: 83°F

Wind Speed: 6 to 9 mph

Wind Direction: E

Forecast: A chance of rain showers. Mostly cloudy, with a high near 83. Chance of precipitation is 30%.

Friday Night

Temperature: 69°F

Wind Speed: 7 mph

Wind Direction: E

Forecast: A chance of rain showers. Mostly cloudy, with a low around 69.