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      Small Craft Advisory
      until 6:00 PM EDT
      Elev 26 ft, 41.025 °N 73.564 °W

      Old Greenwich, CT

      Old Greenwich Station62°
      Updated: 8:49 PM EDT on October 16, 2026 (GMT -4)
      3 minutes ago
      71°
      57°
      62
      Feels Like 62
      Light Rain
      N
      6
      Lower temperature is expected tomorrow
      Wundermap

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       Wundermap
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      575
      90
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      7
      0 mph
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      Radar · Now
        Hyper-local data from Weather Underground's network of
        400,000+ personal weather stations worldwide
        Tonight
        Fri 10/16
        Low 47°f
         100% Precip. / 0.09 in
        Thunderstorms early, then mainly cloudy after midnight with light rain possible. Storms could contain damaging winds. Low 47F. Winds NW at 10 to 15 mph. Chance of rain 100%.
        Tomorrow
        Sat 10/17
        High 52°f
         15% Precip. / 0 in
        A shower is possible early. Cloudy early with partial sunshine expected late. High 52F. Winds NNW at 15 to 25 mph.
        Tomorrow night
        Sat 10/17
        Low 36°f
         1% Precip. / 0 in
        A mostly clear sky. Low 36F. Winds N at 10 to 15 mph.
        Hourly Forecast
        Now
        64°
        9PM
        53%
        64°
        10PM
        63°
        11PM
        62°
        12AM
        42%
        59°
        1AM
        77%
        58°
        2AM
        79%
        56°
        3AM
        73%
        54°
        4AM
        38%
        52°
        5AM
        50°
        6AM
        49°
        7AM
        48°
        7:08AM
        Sunrise
        8AM
        49°
        9AM
        49°
        10AM
        49°
        11AM
        48°
        12PM
        49°
        1PM
        51°
        2PM
        51°
        3PM
        51°
        4PM
        51°
        5PM
        50°
        6PM
        48°
        6:10PM
        Sunset
        7PM
        46°
        8PM
        45°
        Precipitation
        79%
        Storms end by 10 PM
        Pollen
        Ragweed Pollen
        Moderate
        Air Quality
        66
        Moderate
        UV Index
        0
        Low
        Additional Conditions
        1. Pressure 29.73 in
        2. Visibility 10 miles
        3. Clouds Cloudy
        4. Dew Point59°F
        5. Humidity 84%
        6. Rainfall 0.46 in
        7. Snow Depth 0 in
         KHPN Station History
        Almanac for October 16, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 71°F 64°F 82°F 1963
        4. Low 57°F 44°F 30°F 1978
        5. Rain/Snow Depth
        6. Precipitation 0.09 in 3.6 in -
        7. Snow 0 in 0 in -
        Almanac for October 17, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 59°F 64°F 82°F
        4. Low 39°F 44°F 30°F
        Astronomy
        1. Sun Rise Set
        2. Actual Time 7:06 AM 6:12 PM
        3. Civil Twilight 6:39 AM 6:39 PM
        4. Nautical Twilight 6:07 AM 7:11PM
        5. Astronomical Twilight 5:35 AM 7:43 PM
        1. Length of Visible Light 12h 0m
        2. Length of Day 11h 5m
        3. Tomorrow will be 2 minutes 37 seconds shorter
        1. Moon 1:11 PM 9:53 PM
        2. Waxing Crescent32% 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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