10-Day Weather Forecast - Islandia, NY

Mostly sunny. Humid with highs in the mid 80s. Southwest winds 10 to 15 mph.

Mostly cloudy. A chance of showers with a slight chance of thunderstorms in the evening then a chance of showers after midnight. Humid with lows in the lower 70s. Southwest winds 5 to 10 mph. Gusts up to 20 mph in the evening. Chance of rain 30 percent.

Partly sunny. Showers likely with a chance of thunderstorms in the afternoon. Humid with highs in the upper 80s. West winds 5 to 10 mph. Chance of rain 70 percent. Heat index values up to 100.

Mostly cloudy. Showers likely with a chance of thunderstorms in the evening. Lows in the lower 70s. Chance of rain 70 percent.

Mostly sunny. Highs in the mid 80s.

Mostly clear. Lows in the upper 60s.

Sunny. Highs in the mid 80s.

Partly cloudy. Lows in the upper 60s.

Mostly sunny. Highs in the mid 80s.

Partly cloudy. Lows around 70.

Sunny. Highs in the upper 80s. Heat index values in the mid 90s in the afternoon.

Mostly clear with a slight chance of rain. Chance of precipitation 25%. Low temperature around 72F. Dew point will be around 68F with an average humidity of 76%. Winds will be 9 mph from the SW.

Mostly sunny. High temperature around 82F. Dew point will be around 68F with an average humidity of 69%. Winds will be 7 mph from the W.

Clear with a slight chance of rain. Chance of precipitation 30%. Low temperature around 69F. Dew point will be around 66F with an average humidity of 77%. Winds will be 5 mph from the W.

Sunny with a slight chance of rain. Chance of precipitation 25%. High temperature around 80F. Dew point will be around 65F with an average humidity of 68%. Winds will be 6 mph from the NW.

Clear. Low temperature around 68F. Dew point will be around 63F with an average humidity of 73%. Winds will be 5 mph from the NW.

Sunny. High temperature around 79F. Dew point will be around 63F with an average humidity of 66%. Winds will be 5 mph from the NW.

Clear. Low temperature around 68F. Dew point will be around 63F with an average humidity of 76%. Winds will be 4 mph from the W.