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      Small Craft Advisory
      until 6:00 PM EDT
      Elev 20 ft, 40.724 °N 73.212 °W

      Islip, NY

      Islip Station57°
      Updated: 9:34 PM EDT on October 15, 2026 (GMT -4)
      22 seconds ago
      66°
      54°
      57
      Feels Like 56
      Fair
      N
      5
      Higher temperature is expected tomorrow
      Wundermap

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       Wundermap
      50
      50
      575
      90
      50
      7
      0 mph
      50
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      50
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      50
      Radar · Now
        Hyper-local data from Weather Underground's network of
        400,000+ personal weather stations worldwide
        Tonight
        Thu 10/15
        Low 56°f
         50% Precip. / 0.01 in
        Partly cloudy this evening followed by increasing clouds with showers developing after midnight. Low 56F. Winds SSE at 10 to 15 mph. Chance of rain 50%.
        Tomorrow
        Fri 10/16
        High 69°f
         82% Precip. / 0.13 in
        Cloudy. Periods of rain early. High 69F. Winds SSW at 10 to 20 mph. Chance of rain 80%.
        Tomorrow night
        Fri 10/16
        Low 48°f
         70% Precip. / 0.26 in
        Thunderstorms in the evening, overcast overnight with occasional rain. Potential for severe thunderstorms. Low 48F. Winds WNW at 10 to 20 mph. Chance of rain 70%.
        Hourly Forecast
        Now
        57°
        10PM
        57°
        11PM
        57°
        12AM
        57°
        1AM
        58°
        2AM
        59°
        3AM
        60°
        4AM
        61°
        5AM
        61°
        6AM
        50%
        62°
        7AM
        52%
        62°
        7:05AM
        Sunrise
        8AM
        62%
        62°
        9AM
        83%
        64°
        10AM
        56%
        65°
        11AM
        43%
        66°
        12PM
        67°
        1PM
        67°
        2PM
        68°
        3PM
        68°
        4PM
        68°
        5PM
        68°
        6PM
        67°
        6:10PM
        Sunset
        7PM
        69%
        67°
        8PM
        64%
        66°
        9PM
        55%
        65°
        Precipitation
        83%
        Pollen
        Ragweed Pollen
        Moderate
        Air Quality
        24
        Good
        UV Index
        0
        Low
        Additional Conditions
        1. Pressure 30.18 in
        2. Visibility 10 miles
        3. Clouds Partly Cloudy
        4. Dew Point48°F
        5. Humidity 73%
        6. Rainfall 0 in
        7. Snow Depth 0 in
         KISP Station History
        Almanac for October 15, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 66°F 64°F 81°F 1990
        4. Low 54°F 48°F 33°F 1979
        5. Rain/Snow Depth
        6. Precipitation 0.01 in 3.6 in -
        7. Snow 0 in 0 in -
        Almanac for October 16, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 69°F 64°F 80°F
        4. Low 57°F 47°F 33°F
        Astronomy
        1. Sun Rise Set
        2. Actual Time 7:04 AM 6:12 PM
        3. Civil Twilight 6:36 AM 6:40 PM
        4. Nautical Twilight 6:04 AM 7:11PM
        5. Astronomical Twilight 5:33 AM 7:43 PM
        1. Length of Visible Light 12h 3m
        2. Length of Day 11h 8m
        3. Tomorrow will be 2 minutes 36 seconds shorter
        1. Moon 12:18 PM 8:58 PM
        2. Waxing Crescent23% of the Moon is Illuminated
        Oct 18
        Waxing Half First Qtr
        Oct 26
        Full Moon
        Nov 1
        Waning Half Last Qtr
        Nov 9
        New Moon
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