10-Day Weather Forecast - Smithtown, NY

Mostly sunny. Highs in the mid 40s. Southwest winds 5 to 10 mph.

Mostly cloudy. Lows in the upper 30s. Southwest winds 10 to 15 mph.

Cloudy with a 20 percent chance of showers. Highs in the mid 40s. Southwest winds 5 to 10 mph.

Cloudy. A slight chance of rain showers in the evening then a chance of rain showers after midnight. Lows in the lower 30s. Southwest winds 5 to 10 mph. Chance of rain 50 percent.

Mostly cloudy with a chance of rain in the morning then partly sunny in the afternoon. Highs in the lower 40s. Chance of rain 50 percent.

Mostly cloudy in the evening then becoming partly cloudy. Lows around 21.

Mostly sunny. Highs in the lower 30s.

Mostly cloudy in the evening then becoming partly cloudy. Lows in the mid 20s.

Mostly sunny. Highs in the upper 30s.

Mostly cloudy. Lows in the upper 20s.

Partly sunny with a chance of rain and snow. Highs in the mid 30s. Chance of precipitation 30 percent.

Mostly cloudy in the evening then becoming partly cloudy. Lows around 21.

Mostly sunny. Highs in the lower 30s.

Partly cloudy. Low temperature around 18F. Dew point will be around 11F with an average humidity of 66%. Winds will be 8 mph from the NW.

Partly cloudy. High temperature around 27F. Dew point will be around 10F with an average humidity of 57%. Winds will be 7 mph from the NW.

Clear. Low temperature around 18F. Dew point will be around 11F with an average humidity of 66%. Winds will be 6 mph from the NW.

Sunny. High temperature around 28F. Dew point will be around 11F with an average humidity of 56%. Winds will be 5 mph from the NW.

Clear. Low temperature around 22F. Dew point will be around 15F with an average humidity of 67%. Winds will be 4 mph from the W.