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      Elev 46 ft, 41.330 °N 72.341 °W

      Old Lyme, CT

      Old Lyme Station61°
      Updated: 3:17 AM EDT on September 19, 2026 (GMT -4)
      5 minutes ago
      81°
      61°
      61
      Feels Like 61
      Clear
      N
      8
      Gusts 17 mph
      Lower 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
        Tonight
        Fri 09/18
        Low 56°f
         1% Precip. / 0 in
        Partly cloudy skies. Low 56F. Winds NNE at 5 to 10 mph.
        Tomorrow
        Sat 09/19
        High 71°f
         1% Precip. / 0 in
        Partly cloudy skies. High 71F. Winds E at 5 to 10 mph.
        Tomorrow night
        Sat 09/19
        Low 55°f
         4% Precip. / 0 in
        Partly cloudy skies in the evening, then becoming cloudy overnight. Low around 55F. Winds light and variable.
        Hourly Forecast
        Now
        61°
        4AM
        61°
        5AM
        59°
        6AM
        58°
        6:33AM
        Sunrise
        7AM
        56°
        8AM
        59°
        9AM
        61°
        10AM
        64°
        11AM
        65°
        12PM
        67°
        1PM
        68°
        2PM
        69°
        3PM
        69°
        4PM
        69°
        5PM
        67°
        6PM
        65°
        6:51PM
        Sunset
        7PM
        63°
        8PM
        60°
        9PM
        59°
        10PM
        58°
        11PM
        58°
        12AM
        57°
        1AM
        57°
        2AM
        57°
        3AM
        57°
        Precipitation
        4%
        Pollen
        None
        Air Quality
        22
        Good
        UV Index
        0
        Low
        Additional Conditions
        1. Pressure 30.13 in
        2. Visibility 10 miles
        3. Clouds Clear
        4. Dew Point45°F
        5. Humidity 55%
        6. Rainfall 0 in
        7. Snow Depth 0 in
         KSNC Station History
        Almanac for September 19, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 81°F 72°F 87°F 1965
        4. Low 61°F 58°F 44°F 1990
        5. Rain/Snow Depth
        6. Precipitation 0 in 0.11 in -
        7. Snow 0 in - in -
        Almanac for September 20, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 69°F 71°F 84°F
        4. Low 61°F 57°F 44°F
        Astronomy
        1. Sun Rise Set
        2. Actual Time 6:33 AM 6:51 PM
        3. Civil Twilight 6:06 AM 7:19 PM
        4. Nautical Twilight 5:33 AM 7:51PM
        5. Astronomical Twilight 5:00 AM 8:24 PM
        1. Length of Visible Light 13h 12m
        2. Length of Day 12h 17m
        3. Tomorrow will be 2 minutes 43 seconds shorter
        1. Moon 3:15 PM 11:57 PM
        2. Waxing Gibbous58% 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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