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      Gale Watch
      until 6:00 PM EDT
      +2 more alerts
      Elev 26 ft, 40.706 °N 73.295 °W

      West Islip, NY

      West Islip Station61°
      Updated: 10:12 AM EDT on September 21, 2026 (GMT -4)
      3 minutes ago
      70°
      59°
      61
      Feels Like 61
      Cloudy
      N
      13
      Gusts 23 mph
      Same temperature is expected today
      50
      50
      575
      90
      50
      7
      0 mph
      50
      50
      50
      50
      50
      50
      Radar · Now
        Hyper-local data from Weather Underground's network of
        400,000+ personal weather stations worldwide
        Today
        Mon 09/21
        High 70°f
         2% Precip. / 0 in
        Overcast. High near 70F. Winds NE at 10 to 20 mph.
        Tonight
        Mon 09/21
        Low 59°f
         16% Precip. / 0 in
        Cloudy. Low 59F. Winds ENE at 10 to 15 mph.
        Tomorrow
        Tue 09/22
        High 65°f56°f
         24% Precip. / 0 in
        Cloudy. A stray shower or thunderstorm is possible. High around 65F. Winds NE at 15 to 25 mph.
        Hourly Forecast
        Now
        61°
        11AM
        63°
        12PM
        64°
        1PM
        66°
        2PM
        68°
        3PM
        69°
        4PM
        69°
        5PM
        69°
        6PM
        68°
        6:51PM
        Sunset
        7PM
        66°
        8PM
        65°
        9PM
        65°
        10PM
        64°
        11PM
        63°
        12AM
        63°
        1AM
        63°
        2AM
        62°
        3AM
        62°
        4AM
        62°
        5AM
        61°
        6AM
        61°
        6:40AM
        Sunrise
        7AM
        60°
        8AM
        62°
        9AM
        62°
        10AM
        62°
        Precipitation
        24%
        Pollen
        None
        Air Quality
        16
        Good
        UV Index
        2
        Low
        Additional Conditions
        1. Pressure 30.07 in
        2. Visibility 10 miles
        3. Clouds Cloudy
        4. Dew Point56°F
        5. Humidity 84%
        6. Rainfall 0.55 in
        7. Snow Depth 0 in
         KFRG Station History
        Almanac for September 21, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 70°F 76°F 82°F 1984
        4. Low 59°F 59°F 45°F 1991
        5. Rain/Snow Depth
        6. Precipitation 0 in - in -
        7. Snow 0 in - in -
        Almanac for September 22, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 65°F 76°F 81°F
        4. Low 59°F 59°F 40°F
        Astronomy
        1. Sun Rise Set
        2. Actual Time 6:39 AM 6:51 PM
        3. Civil Twilight 6:12 AM 7:19 PM
        4. Nautical Twilight 5:40 AM 7:51PM
        5. Astronomical Twilight 5:07 AM 8:23 PM
        1. Length of Visible Light 13h 6m
        2. Length of Day 12h 12m
        3. Tomorrow will be 2 minutes 40 seconds shorter
        1. Moon 4:31 PM 1:06 AM
        2. Waxing Gibbous77% of the Moon is Illuminated
        Sep 26
        Full Moon
        Oct 3
        Waning Half Last Qtr
        Oct 10
        New Moon
        Oct 18
        Waxing Half First Qtr
        Precipitation
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