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      Small Craft Advisory
      until 6:00 PM EST
      Elev 177 ft, 40.920 °N 73.069 °W

      Port Jefferson Station, NY

      Port Jefferson Station Station42°

      Current Conditions

      Port Jefferson Station Station · updated

      42°F
      48° 38°
      Showers in Vicinity Feels Like 42°
      N 16 mph Wind, gusts 27 mph
      Lower temperature is expected today
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      Temperature, dewpoint and wind modeled down to the neighborhood.

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      Now
      Radar debug
        Hyper-local data from Weather Underground's network of
        400,000+ personal weather stations worldwide
        Today
        Fri 11/13
        High 44°f
         98% Precip. / 0.48 in
        Rain early...then remaining cloudy with showers in the afternoon. High 44F. Winds N at 15 to 25 mph. Chance of rain 100%. Rainfall near a half an inch. Higher wind gusts possible.
        Tonight
        Fri 11/13
        Low 35°f
         19% Precip. / 0 in
        Cloudy. Low near 35F. Winds NNW at 5 to 10 mph.
        Tomorrow
        Sat 11/14
        High 47°f37°f
         3% Precip. / 0 in
        A mix of clouds and sun early, then becoming cloudy later in the day. High 47F. Winds NW at 10 to 20 mph.
        Hourly Forecast
        Now
        41°
        10AM
        91%
        42°
        11AM
        87%
        42°
        12PM
        76%
        42°
        1PM
        64%
        44°
        2PM
        54%
        43°
        3PM
        41%
        43°
        4PM
        36%
        44°
        4:35PM
        Sunset
        5PM
        39%
        42°
        6PM
        41°
        7PM
        41°
        8PM
        41°
        9PM
        41°
        10PM
        40°
        11PM
        40°
        12AM
        39°
        1AM
        39°
        2AM
        38°
        3AM
        38°
        4AM
        37°
        5AM
        37°
        6AM
        36°
        6:38AM
        Sunrise
        7AM
        36°
        8AM
        39°
        9AM
        40°
        Precipitation
        91%
        Rain likely to continue
        Pollen
        Ragweed Pollen
        Low
        Air Quality
        26
        Good
        UV Index
        0
        Low
        Additional Conditions
        1. Pressure 29.55 in
        2. Visibility 8 miles
        3. Clouds Cloudy
        4. Dew Point39°F
        5. Humidity 93%
        6. Rainfall 1.07 in
        7. Snow Depth 0 in
         KISP Station History
        Almanac for November 13, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 48°F 54°F 75°F 1945
        4. Low 38°F 40°F 20°F 1995
        5. Rain/Snow Depth
        6. Precipitation 0.48 in - in -
        7. Snow 0 in - in -
        Almanac for November 14, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 47°F 54°F 74°F
        4. Low 35°F 40°F 20°F
        Astronomy
        1. Sun Rise Set
        2. Actual Time 6:37 AM 4:35 PM
        3. Civil Twilight 6:07 AM 5:04 PM
        4. Nautical Twilight 5:34 AM 5:37PM
        5. Astronomical Twilight 5:02 AM 6:10 PM
        1. Length of Visible Light 10h 56m
        2. Length of Day 9h 58m
        3. Tomorrow will be 2 minutes 3 seconds shorter
        1. Moon 10:47 AM 7:40 PM
        2. Waxing Crescent16% of the Moon is Illuminated
        Nov 17
        Waxing Half First Qtr
        Nov 24
        Full Moon
        Dec 1
        Waning Half Last Qtr
        Dec 8
        New Moon
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