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      Elev 228 ft, 41.144 °N 73.491 °W

      New Canaan, CT

      New Canaan Station77°
      Updated: 4:40 PM EDT on September 17, 2026 (GMT -4)
      2 minutes ago
      84°
      65°
      77
      Feels Like 78
      Cloudy
      N
      9
      Lower temperature is expected tomorrow
      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
        Tonight
        Thu 09/17
        Low 67°f
         35% Precip. / 0 in
        Showers early, then cloudy overnight. Low 67F. Winds SW at 5 to 10 mph. Chance of rain 40%.
        Tomorrow
        Fri 09/18
        High 79°f
         15% Precip. / 0 in
        A few passing clouds, otherwise generally sunny. Slight chance of a rain shower. High 79F. Winds NNW at 10 to 15 mph.
        Tomorrow night
        Fri 09/18
        Low 54°f
         2% Precip. / 0 in
        Mainly clear skies. Low 54F. Winds N at 5 to 10 mph.
        Hourly Forecast
        Now
        77°
        5PM
        76°
        6PM
        76°
        6:59PM
        Sunset
        7PM
        74°
        8PM
        73°
        9PM
        31%
        71°
        10PM
        32%
        71°
        11PM
        35%
        71°
        12AM
        71°
        1AM
        70°
        2AM
        70°
        3AM
        70°
        4AM
        70°
        5AM
        69°
        6AM
        68°
        6:37AM
        Sunrise
        7AM
        68°
        8AM
        69°
        9AM
        71°
        10AM
        73°
        11AM
        75°
        12PM
        76°
        1PM
        77°
        2PM
        78°
        3PM
        78°
        4PM
        78°
        Precipitation
        35%
        Rain possible after 9 PM
        Pollen
        None
        Air Quality
        51
        Moderate
        UV Index
        1
        Low
        Additional Conditions
        1. Pressure 30.1 in
        2. Visibility 9 miles
        3. Clouds Cloudy
        4. Dew Point69°F
        5. Humidity 77%
        6. Rainfall 0.01 in
        7. Snow Depth 0 in
         KHPN Station History
        Almanac for September 17, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 84°F 75°F 89°F 1991
        4. Low 65°F 56°F 37°F 1984
        5. Rain/Snow Depth
        6. Precipitation 0 in 3.2 in -
        7. Snow 0 in 0 in -
        Almanac for September 18, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 79°F 75°F 86°F
        4. Low 65°F 56°F 34°F
        Astronomy
        1. Sun Rise Set
        2. Actual Time 6:36 AM 6:59 PM
        3. Civil Twilight 6:08 AM 7:27 PM
        4. Nautical Twilight 5:36 AM 7:59PM
        5. Astronomical Twilight 5:03 AM 8:32 PM
        1. Length of Visible Light 13h 18m
        2. Length of Day 12h 23m
        3. Tomorrow will be 2 minutes 43 seconds shorter
        1. Moon 1:36 PM 10:16 PM
        2. Waxing Crescent39% of the Moon is Illuminated
        Sep 18
        Waxing Half First Qtr
        Sep 26
        Full Moon
        Oct 3
        Waning Half Last Qtr
        Oct 10
        New Moon
        Precipitation
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