Weather in Smithtown, New York, United States

7-Day Detailed Weather Forecast for Smithtown

This Afternoon

Temperature: 89°F

Wind Speed: 8 mph

Wind Direction: SW

Forecast: A chance of showers and thunderstorms. Some of the storms could be severe. Partly sunny, with a high near 89. Heat index values as high as 97. Southwest wind around 8 mph. Chance of precipitation is 30%. New rainfall amounts between a tenth and quarter of an inch possible.

Tonight

Temperature: 70°F

Wind Speed: 8 mph

Wind Direction: W

Forecast: A chance of showers and thunderstorms before 11pm. Some of the storms could be severe. Partly cloudy, with a low around 70. West wind around 8 mph. Chance of precipitation is 30%. New rainfall amounts between a tenth and quarter of an inch possible.

Monday

Temperature: 83°F

Wind Speed: 8 to 16 mph

Wind Direction: NW

Forecast: Sunny. High near 83, with temperatures falling to around 81 in the afternoon. Northwest wind 8 to 16 mph.

Monday Night

Temperature: 61°F

Wind Speed: 7 to 10 mph

Wind Direction: N

Forecast: Mostly clear, with a low around 61. North wind 7 to 10 mph.

Tuesday

Temperature: 81°F

Wind Speed: 6 to 9 mph

Wind Direction: E

Forecast: Sunny. High near 81, with temperatures falling to around 79 in the afternoon. East wind 6 to 9 mph.

Tuesday Night

Temperature: 61°F

Wind Speed: 1 to 6 mph

Wind Direction: SW

Forecast: Mostly clear, with a low around 61.

Wednesday

Temperature: 86°F

Wind Speed: 1 to 9 mph

Wind Direction: SW

Forecast: Sunny, with a high near 86.

Wednesday Night

Temperature: 71°F

Wind Speed: 9 mph

Wind Direction: SW

Forecast: Partly cloudy, with a low around 71.

Thursday

Temperature: 89°F

Wind Speed: 7 to 14 mph

Wind Direction: SW

Forecast: Sunny, with a high near 89.

Thursday Night

Temperature: 75°F

Wind Speed: 9 to 14 mph

Wind Direction: SW

Forecast: Mostly clear, with a low around 75.

Friday

Temperature: 94°F

Wind Speed: 8 to 12 mph

Wind Direction: SW

Forecast: A slight chance of showers and thunderstorms after 2pm. Sunny, with a high near 94.

Friday Night

Temperature: 76°F

Wind Speed: 6 to 12 mph

Wind Direction: SW

Forecast: A slight chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 76.

Saturday

Temperature: 91°F

Wind Speed: 7 mph

Wind Direction: W

Forecast: A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 91. Chance of precipitation is 30%.

Saturday Night

Temperature: 73°F

Wind Speed: 3 to 7 mph

Wind Direction: SE

Forecast: A chance of showers and thunderstorms. Mostly cloudy, with a low around 73.