10-Day Weather Forecast - Islandia, NY
- |39°FMostly CloudyHourly details
Tonight
39°FMostly cloudy late this evening then clearing. A 20 percent chance of showers. Lows in the upper 30s. Southwest winds 15 to 20 mph with gusts up to 30 mph.
Weekend Weather
- 49|33°FSunnyHourly details
Day
49°FSunny breezy with highs in the upper 40s. West winds 15 to 25 mph with gusts up to 40 mph.
Night
33°FMostly clear in the evening then becoming mostly cloudy. Lows in the lower 30s. Northwest winds 15 to 20 mph with gusts up to 30 mph diminishing to 5 to 10 mph after midnight.
- 45|41°FMostly CloudyHourly details
Day
45°FMostly cloudy. Highs in the upper 40s. Northeast winds 5 to 10 mph becoming southeast 10 to 15 mph in the afternoon.
Night
41°FCloudy. Rain after midnight. Lows in the upper 30s. Southeast winds 15 to 20 mph. Gusts up to 30 mph after midnight. Chance of rain 90 percent.
- 56|41°FThunderstormsHourly details
Day
56°FRain in the morning then rain with a chance of thunderstorms in the afternoon. Windy with highs in the upper 50s. Chance of rain near 100 percent.
Night
41°FRain with a chance of thunderstorms in the evening then rain after midnight. Windy with lows in the mid 30s. Chance of rain near 100 percent.
- 43|28°F50% Chance of RainHourly details
Day
43°FPartly sunny. A chance of rain in the morning. Breezy with highs in the mid 40s. Chance of rain 50 percent.
Night
28°FPartly cloudy in the evening then clearing. Lows in the mid 20s.
- 40|34°FPartly SunnyHourly details
Day
40°FSunny in the morning then becoming partly sunny. Highs in the upper 30s.
Night
34°FMostly cloudy. Lows around 30.
- 45|35°FPartly SunnyHourly details
Day
45°FPartly sunny. Highs in the mid 40s.
Night
35°FPartly cloudy. Lows in the lower 30s.
- 49|36°FPartly Sunny
Day
49°FPartly sunny. Highs in the mid 40s.
Night
36°FCloudy with a slight chance of rain. Chance of precipitation 30%. Low temperature around 36F. Dew point will be around 32F with an average humidity of 72%. Winds will be 6 mph from the W.
Weekend Weather
- 46|33°F30% Chance of Rain
Day
46°FCloudy with a slight chance of rain. Chance of precipitation 25%. High temperature around 46F. Dew point will be around 30F with an average humidity of 63%. Winds will be 8 mph from the NW.
Night
33°FPartly cloudy. Low temperature around 33F. Dew point will be around 25F with an average humidity of 63%. Winds will be 9 mph from the W.
- 43|29°F30% Chance of Rain
Day
43°FCloudy with a slight chance of rain. Chance of precipitation 25%. High temperature around 43F. Dew point will be around 23F with an average humidity of 52%. Winds will be 13 mph from the W.
Night
29°FPartly cloudy. Low temperature around 29F. Dew point will be around 18F with an average humidity of 55%. Winds will be 12 mph from the NW.













