10-Day Weather Forecast - Islandia, NY

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  • |39°F
    Mostly Cloudy
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    Tonight

    39°F

    Mostly 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.

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  • Weekend Weather

  • Day

    49°F

    Sunny breezy with highs in the upper 40s. West winds 15 to 25 mph with gusts up to 40 mph.

    Night

    33°F

    Mostly 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.

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  • Day

    45°F

    Mostly cloudy. Highs in the upper 40s. Northeast winds 5 to 10 mph becoming southeast 10 to 15 mph in the afternoon.

    Night

    41°F

    Cloudy. 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.

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  • Day

    56°F

    Rain 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°F

    Rain 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.

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  • Day

    43°F

    Partly sunny. A chance of rain in the morning. Breezy with highs in the mid 40s. Chance of rain 50 percent.

    Night

    28°F

    Partly cloudy in the evening then clearing. Lows in the mid 20s.

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  • Day

    40°F

    Sunny in the morning then becoming partly sunny. Highs in the upper 30s.

    Night

    34°F

    Mostly cloudy. Lows around 30.

    Hourly details
  • Day

    45°F

    Partly sunny. Highs in the mid 40s.

    Night

    35°F

    Partly cloudy. Lows in the lower 30s.

    Hourly details
  • Day

    49°F

    Partly sunny. Highs in the mid 40s.

    Night

    36°F

    Cloudy 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

  • Day

    46°F

    Cloudy 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°F

    Partly 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.

  • Day

    43°F

    Cloudy 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°F

    Partly 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.