10-Day Weather Forecast - Islip, NY

Mostly sunny. Highs in the lower 40s. West winds 15 to 20 mph. Gusts up to 35 mph decreasing to 25 mph in the afternoon.

Partly cloudy. Lows in the lower 30s. West winds 10 to 15 mph with gusts up to 30 mph.

Sunny. Highs in the mid 40s. Southwest winds 10 to 15 mph.

Mostly cloudy. Near steady temperature in the upper 30s.

Mostly cloudy. Highs in the mid 40s.

Cloudy. A chance of rain after midnight. Lows in the mid 30s. Chance of rain 40 percent.

Mostly cloudy with a 40 percent chance of rain. Highs in the lower 40s.

Mostly cloudy. A chance of rain and snow in the evening then a chance of snow after midnight. Lows in the lower 20s. Chance of precipitation 50 percent.

Mostly sunny. Highs in the mid 30s.

Partly cloudy in the evening then becoming mostly clear. Lows in the mid 20s.

Mostly sunny. Highs in the upper 30s.

Partly cloudy in the evening then becoming mostly cloudy. Lows in the upper 20s.

Partly sunny. A chance of rain and snow in the morning then a chance of rain in the afternoon. Highs in the upper 30s. Chance of precipitation 40 percent.

Cloudy with a slight chance of snow. Chance of precipitation 25%. Low temperature around 17F. Dew point will be around 15F with an average humidity of 75%. Winds will be 11 mph from the W.

Mostly cloudy. High temperature around 25F. Dew point will be around 10F with an average humidity of 61%. Winds will be 13 mph from the W.

Cloudy. Low temperature around 15F. Dew point will be around 9F with an average humidity of 66%. Winds will be 11 mph from the W.

Mostly sunny. High temperature around 26F. Dew point will be around 9F with an average humidity of 57%. Winds will be 10 mph from the W.

Partly cloudy. Low temperature around 17F. Dew point will be around 10F with an average humidity of 67%. Winds will be 7 mph from the NW.