10-Day Weather Forecast - Islip, NY

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  • 40|32°F
    Partly Sunny
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    Today

    40°F

    Partly sunny this morning then becoming mostly cloudy. Highs in the upper 30s. North winds around 5 mph becoming east this afternoon.

    Tonight

    32°F

    Cloudy. A chance of snow in the evening then snow after midnight. Snow accumulation around an inch. Lows around 30. East winds 10 to 15 mph. Chance of snow 70 percent.

    Hourly details
  • Day

    39°F

    Mostly cloudy with snow likely in the morning then partly sunny in the afternoon. Little or no additional snow accumulation. Highs in the upper 30s. Northeast winds 10 to 15 mph. Chance of snow 70 percent.

    Night

    31°F

    Mostly cloudy. A slight chance of rain and snow showers after midnight. Lows around 30. North winds around 5 mph becoming west after midnight. Chance of precipitation 20 percent.

    Hourly details
  • Day

    44°F

    Mostly cloudy in the morning then becoming mostly sunny. Highs in the lower 40s. Southwest winds 5 to 10 mph.

    Night

    35°F

    Partly cloudy in the evening then becoming mostly cloudy. Lows in the lower 30s.

    Hourly details
  • Day

    44°F

    Cloudy. A chance of rain in the afternoon. Highs around 40. Chance of rain 50 percent.

    Night

    37°F

    Rain likely mainly in the evening. Lows in the lower 30s. Chance of rain 70 percent.

    Hourly details
  • Day

    47°F

    Mostly cloudy. Highs around 40.

    Night

    36°F

    Mostly cloudy. A chance of rain after midnight. Lows in the lower 30s. Chance of rain 30 percent.

    Hourly details
  • Day

    47°F

    Rain likely. Highs in the lower 40s. Chance of rain 60 percent.

    Night

    35°F

    Mostly cloudy. A chance of rain. Lows in the lower 30s. Chance of rain 50 percent.

    Hourly details
  • Weekend Weather

  • Day

    41°F

    Partly sunny in the morning then becoming mostly cloudy. A 40 percent chance of rain. Highs in the lower 40s.

    Night

    28°F

    Partly cloudy. Low temperature around 28F. Dew point will be around 25F with an average humidity of 74%. Winds will be 6 mph from the NW.

  • Day

    39°F

    Mostly sunny. High temperature around 39F. Dew point will be around 18F with an average humidity of 50%. Winds will be 11 mph from the NW.

    Night

    25°F

    Mostly clear. Low temperature around 25F. Dew point will be around 18F with an average humidity of 65%. Winds will be 7 mph from the NW.

  • Day

    36°F

    Cloudy. High temperature around 36F. Dew point will be around 16F with an average humidity of 52%. Winds will be 6 mph from the NW.

    Night

    23°F

    Partly cloudy. Low temperature around 23F. Dew point will be around 16F with an average humidity of 64%. Winds will be 9 mph from the NW.

  • Day

    37°F

    Mostly sunny. High temperature around 37F. Dew point will be around 13F with an average humidity of 46%. Winds will be 8 mph from the NW.

    Night

    26°F

    Mostly clear. Low temperature around 26F. Dew point will be around 17F with an average humidity of 60%. Winds will be 4 mph from the NW.