10-Day Weather Forecast - Islip, NY

Sunny. Highs around 30. North winds 5 to 10 mph.

Mostly clear in the evening then becoming mostly cloudy. Lows around 16. North winds 5 to 10 mph.

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

Cloudy. A chance of light snow in the evening then light snow likely after midnight. Little or no snow accumulation. Lows 15 to 20. Chance of snow 70 percent.

Snow likely mainly in the morning. Light snow accumulation possible. Windy cold with highs in the lower 20s. Chance of snow 70 percent. Wind chill values as low as 5 below.

Partly cloudy in the evening then clearing. Windy cold with lows 5 to 10 above. Wind chill values as low as 15 below.

Sunny brisk 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. Lows 15 to 20.

Partly sunny. Highs in the lower 30s.

Mostly cloudy. Lows around 20.

Partly sunny. Highs in the lower 30s.

Partly cloudy. Low temperature around 29F. Dew point will be around 20F with an average humidity of 65%. Winds will be 4 mph from the NW.

Mostly sunny. High temperature around 38F. Dew point will be around 22F with an average humidity of 59%. Winds will be 3 mph from the NW.

Partly cloudy with a slight chance of rain-snow mix. Chance of precipitation 30%. Low temperature around 30F. Dew point will be around 21F with an average humidity of 63%. Winds will be 3 mph from the W.

Mostly cloudy with a chance of rain-snow mix. Chance of precipitation 35%. High temperature around 40F. Dew point will be around 23F with an average humidity of 57%. Winds will be 2 mph from the W.

Partly cloudy with a chance of rain. Chance of precipitation 40%. Low temperature around 33F. Dew point will be around 24F with an average humidity of 64%. Winds will be 2 mph from the NE.