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      Elev 13 ft, 40.724 °N 73.092 °W

      West Sayville, NY

      Updated: 9:52 AM EDT on September 21, 2026 (GMT -4)
      8 minutes ago
      69°
      58°
      61
      Feels Like 61
      Cloudy
      N
      14
      Gusts 23 mph
      Similar 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 69°f
        15% Precip. / 0 in
        Cloudy. High 69F. Winds NE at 10 to 20 mph.
        Tonight
        Mon 09/21
        Low 58°f
        12% Precip. / 0 in
        Cloudy skies. Low 58F. Winds NE at 10 to 15 mph.
        Tomorrow
        Tue 09/22
        High 65°f55°f
        24% Precip. / 0 in
        Cloudy. A stray shower or thunderstorm is possible. High near 65F. Winds NE at 15 to 25 mph.
        Hourly Forecast
        Now
        60°
        10AM
        61°
        11AM
        63°
        12PM
        64°
        1PM
        67°
        2PM
        68°
        3PM
        68°
        4PM
        68°
        5PM
        68°
        6PM
        67°
        6:50PM
        Sunset
        7PM
        66°
        8PM
        64°
        9PM
        64°
        10PM
        63°
        11PM
        62°
        12AM
        62°
        1AM
        62°
        2AM
        61°
        3AM
        61°
        4AM
        61°
        5AM
        60°
        6AM
        60°
        6:39AM
        Sunrise
        7AM
        59°
        8AM
        61°
        9AM
        62°
        Additional Conditions
        1. Pressure 30.05 in
        2. Visibility 10 miles
        3. Clouds Cloudy
        4. Dew Point57°F
        5. Humidity 88%
        6. Rainfall 0.49 in
        7. Snow Depth 0 in
        KISP Station History
        Almanac for September 21, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 69°F 73°F 84°F 1980
        4. Low 58°F 57°F 43°F 1991
        5. Rain/Snow Depth
        6. Precipitation 0 in 3.1 in -
        7. Snow 0 in 0 in -
        Almanac for September 22, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 65°F 73°F 91°F
        4. Low 58°F 57°F 38°F
        Astronomy
        1. Sun Rise Set
        2. Actual Time 6:38 AM 6:51 PM
        3. Civil Twilight 6:11 AM 7:18 PM
        4. Nautical Twilight 5:39 AM 7:50PM
        5. Astronomical Twilight 5:06 AM 8:22 PM
        1. Length of Visible Light 13h 6m
        2. Length of Day 12h 12m
        3. Tomorrow will be 2 minutes 41 seconds shorter
        1. Moon 4:30 PM 1:05 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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        Weather Alerts
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