10-Day Weather Forecast - Smithtown, NY

Mostly cloudy. Highs in the upper 20s. North winds around 5 mph becoming northwest in the afternoon.

Cloudy. A slight chance of snow in the evening then snow likely after midnight. Little or no snow accumulation. Lows around 17. Southwest winds 5 to 10 mph. Chance of snow 70 percent.

Mostly cloudy. Snow likely in the morning then a slight chance of snow showers in the afternoon. Light snow accumulation possible. Very windy and cold with highs in the mid 20s. Northwest winds 20 to 25 mph with gusts up to 40 mph increasing to 25 to 35 mph with gusts up to 50 mph in the afternoon. Chance of snow 70 percent. Wind chill values as low as 7 below in the afternoon.

Partly cloudy in the evening then clearing. Very windy and cold with lows around 5 above. Wind chill values as low as 15 below.

Sunny blustery cold with highs around 20. Wind chill values as low as 15 below in the morning.

Mostly clear. Cold with lows around 10 above. Wind chill values as low as 5 below.

Mostly sunny. Cold with highs in the mid 20s. Wind chill values as low as zero in the morning.

Partly cloudy in the evening then becoming mostly clear. Lows 15 to 20.

Mostly sunny. Highs in the lower 30s.

Partly cloudy in the evening then becoming mostly cloudy. Lows around 20.

Mostly cloudy. Highs in the lower 30s.

Cloudy with a chance of rain-snow mix. Chance of precipitation 35%. Low temperature around 29F. Dew point will be around 25F with an average humidity of 79%. Winds will be 2 mph from the S.

Cloudy with a chance of rain-snow mix. Chance of precipitation 35%. High temperature around 40F. Dew point will be around 27F with an average humidity of 66%. Winds will be 3 mph from the SW.

Cloudy with a chance of rain-snow mix. Chance of precipitation 35%. Low temperature around 31F. Dew point will be around 25F with an average humidity of 71%. Winds will be 3 mph from the W.

Cloudy with a chance of rain. Chance of precipitation 40%. High temperature around 40F. Dew point will be around 26F with an average humidity of 61%. Winds will be 2 mph from the SW.

Cloudy with a chance of rain. Chance of precipitation 40%. Low temperature around 34F. Dew point will be around 27F with an average humidity of 71%. Winds will be 2 mph from the SE.

Cloudy with a chance of rain. Chance of precipitation 45%. High temperature around 42F. Dew point will be around 27F with an average humidity of 61%. Winds will be 4 mph from the E.

Cloudy with a chance of rain. Chance of precipitation 40%. Low temperature around 35F. Dew point will be around 28F with an average humidity of 71%. Winds will be 5 mph from the E.