10-Day Weather Forecast - Islip, NY

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  • 33|17°F
    Snow
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    Today

    33°F

    Snow late this morning then partly sunny with a slight chance of snow this afternoon. Snow accumulation of 1 to 3 inches. Highs in the lower 30s. Northwest winds 15 to 20 mph with gusts up to 35 mph. Chance of snow 90 percent.

    Tonight

    17°F

    Partly cloudy in the evening then clearing. Blustery cooler with lows around 18. Northwest winds 15 to 25 mph with gusts up to 40 mph. Wind chill values as low as zero.

    Hourly details
  • Day

    29°F

    Sunny in the morning then partly sunny with a slight chance of snow showers in the afternoon. Highs around 30. Northwest winds 15 to 20 mph. Gusts up to 40 mph decreasing to 30 mph in the afternoon. Chance of snow 20 percent.

    Night

    21°F

    Mostly cloudy. A slight chance of snow showers in the evening. Lows in the lower 20s. West winds 10 to 15 mph with gusts up to 30 mph. Chance of snow 20 percent.

    Hourly details
  • Day

    32°F

    Sunny. Highs in the mid 30s. West winds 10 to 15 mph. Gusts up to 25 mph in the morning.

    Night

    26°F

    Mostly cloudy in the evening then becoming partly cloudy. Lows in the mid 20s.

    Hourly details
  • Day

    42°F

    Mostly sunny. Highs in the lower 40s.

    Night

    29°F

    Partly cloudy. Lows around 30.

    Hourly details
  • Day

    47°F

    Partly sunny. Highs in the lower 50s.

    Night

    47°F

    Rain breezy and not as cool with lows in the mid 40s. Chance of rain 80 percent.

    Hourly details
  • Day

    50°F

    Partly sunny. A chance of rain in the morning. Breezy with highs in the upper 40s. Chance of rain 30 percent.

    Night

    24°F

    Partly cloudy. Cooler with lows in the mid 20s.

    Hourly details
  • Weekend Weather

  • Day

    34°F

    Partly sunny in the morning then becoming mostly cloudy. Highs in the mid 40s.

    Night

    32°F

    Mostly cloudy with a slight chance of rain-snow mix. Chance of precipitation 30%. Low temperature around 32F. Dew point will be around 26F with an average humidity of 70%. Winds will be 7 mph from the SW.

  • Day

    46°F

    Cloudy with a chance of rain. Chance of precipitation 50%. High temperature around 46F. Dew point will be around 38F with an average humidity of 80%. Winds will be 6 mph from the SW.

    Night

    30°F

    Partly cloudy. Low temperature around 30F. Dew point will be around 26F with an average humidity of 73%. Winds will be 9 mph from the N.

  • Day

    38°F

    Sunny. High temperature around 38F. Dew point will be around 22F with an average humidity of 60%. Winds will be 3 mph from the N.

    Night

    34°F

    Partly cloudy with a slight chance of rain. Chance of precipitation 25%. Low temperature around 34F. Dew point will be around 25F with an average humidity of 67%. Winds will be 3 mph from the S.

  • Day

    44°F

    Cloudy with a chance of rain. Chance of precipitation 35%. High temperature around 44F. Dew point will be around 34F with an average humidity of 73%. Winds will be 8 mph from the SW.

    Night

    37°F

    Cloudy with a chance of rain. Chance of precipitation 35%. Low temperature around 37F. Dew point will be around 33F with an average humidity of 78%. Winds will be 5 mph from the W.