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      Elev 23 ft, 40.734 °N 73.096 °W

      Sayville, NY

      West Sayville Station66°
      Updated: 6:55 AM EDT on September 20, 2026 (GMT -4)
      4 minutes ago
      69°
      62°
      66
      Feels Like 66
      Cloudy
      N
      7
      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
        Sun 09/20
        High 69°f
         100% Precip. / 0.58 in
        Cloudy with periods of rain. Potential for heavy rainfall. High 69F. Winds SSE at 10 to 20 mph. Chance of rain 100%. Rainfall near a half an inch.
        Tonight
        Sun 09/20
        Low 59°f
         84% Precip. / 0.29 in
        Rain. Low 59F. SSW winds shifting to N at 10 to 15 mph. Chance of rain 80%. Rainfall around a quarter of an inch.
        Tomorrow
        Mon 09/21
        High 69°f57°f
         11% Precip. / 0 in
        Considerable cloudiness. High 69F. Winds NNE at 10 to 20 mph.
        Hourly Forecast
        Now
        65°
        7AM
        34%
        65°
        8AM
        58%
        66°
        9AM
        95%
        67°
        10AM
        100%
        67°
        11AM
        100%
        67°
        12PM
        100%
        67°
        1PM
        96%
        68°
        2PM
        86%
        67°
        3PM
        65%
        68°
        4PM
        54%
        68°
        5PM
        62%
        68°
        6PM
        62%
        68°
        6:52PM
        Sunset
        7PM
        64%
        69°
        8PM
        39%
        68°
        9PM
        68%
        68°
        10PM
        71%
        68°
        11PM
        74%
        68°
        12AM
        84%
        67°
        1AM
        68%
        67°
        2AM
        66%
        66°
        3AM
        56%
        64°
        4AM
        38%
        63°
        5AM
        62°
        6AM
        60°
        Precipitation
        100%
        Rain expected around 7:45 AM
        Pollen
        None
        Air Quality
        24
        Good
        UV Index
        0
        Low
        Additional Conditions
        1. Pressure 30.07 in
        2. Visibility 10 miles
        3. Clouds Cloudy
        4. Dew Point57°F
        5. Humidity 75%
        6. Rainfall 0 in
        7. Snow Depth 0 in
         KISP Station History
        Almanac for September 20, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 69°F 74°F 87°F 1983
        4. Low 62°F 58°F 38°F 1979
        5. Rain/Snow Depth
        6. Precipitation 0.87 in 3.1 in -
        7. Snow 0 in 0 in -
        Almanac for September 21, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 69°F 73°F 84°F
        4. Low 62°F 57°F 43°F
        Astronomy
        1. Sun Rise Set
        2. Actual Time 6:37 AM 6:52 PM
        3. Civil Twilight 6:10 AM 7:20 PM
        4. Nautical Twilight 5:38 AM 7:52PM
        5. Astronomical Twilight 5:05 AM 8:24 PM
        1. Length of Visible Light 13h 9m
        2. Length of Day 12h 14m
        3. Tomorrow will be 2 minutes 41 seconds shorter
        1. Moon 3:56 PM 12:03 AM
        2. Waxing Gibbous68% 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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