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      Flood Watch
      until 2:00 PM EDT
      Elev 20 ft, 41.265 °N 72.367 °W

      Old Saybrook, CT

      Fernwood Station73°
      Updated: 5:06 PM EDT on September 12, 2026 (GMT -4)
      1 minute ago
      75°
      55°
      73
      Feels Like 73
      Sunny
      N
      9
      Same 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
        Sat 09/12
        Low 67°f
         64% Precip. / 0.14 in
        Partly cloudy skies early then becoming cloudy with periods of rain late. Low 67F. Winds SE at 5 to 10 mph. Chance of rain 60%.
        Tomorrow
        Sun 09/13
        High 75°f
         99% Precip. / 1.3 in
        Thunderstorms. High around 75F. SSE winds shifting to WSW at 10 to 15 mph. Chance of rain 100%. 1 to 2 inches of rain expected. Localized flooding is possible.
        Tomorrow night
        Sun 09/13
        Low 65°f
         24% Precip. / 0 in
        Partly cloudy skies during the evening will give way to cloudy skies overnight. Low around 65F. Winds WNW at 5 to 10 mph.
        Hourly Forecast
        Now
        73°
        6PM
        72°
        7PM
        71°
        7:03PM
        Sunset
        8PM
        69°
        9PM
        69°
        10PM
        68°
        11PM
        68°
        12AM
        68°
        1AM
        69°
        2AM
        69°
        3AM
        69°
        4AM
        70°
        5AM
        54%
        70°
        6AM
        65%
        70°
        6:27AM
        Sunrise
        7AM
        71%
        70°
        8AM
        80%
        71°
        9AM
        93%
        73°
        10AM
        98%
        73°
        11AM
        99%
        73°
        12PM
        99%
        73°
        1PM
        93%
        73°
        2PM
        57%
        73°
        3PM
        37%
        74°
        4PM
        74°
        5PM
        74°
        Precipitation
        99%
        Pollen
        None
        Air Quality
        36
        Good
        UV Index
        1
        Low
        Additional Conditions
        1. Pressure 30.1 in
        2. Visibility 10 miles
        3. Clouds Clear
        4. Dew Point60°F
        5. Humidity 63%
        6. Rainfall 0 in
        7. Snow Depth 0 in
         KSNC Station History
        Almanac for September 12, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 75°F 74°F 86°F 1961
        4. Low 55°F 60°F 48°F 1977
        5. Rain/Snow Depth
        6. Precipitation 0.14 in 0.12 in -
        7. Snow 0 in - in -
        Almanac for September 13, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 75°F 74°F 84°F
        4. Low 55°F 60°F 45°F
        Astronomy
        1. Sun Rise Set
        2. Actual Time 6:26 AM 7:03 PM
        3. Civil Twilight 5:59 AM 7:31 PM
        4. Nautical Twilight 5:26 AM 8:04PM
        5. Astronomical Twilight 4:52 AM 8:38 PM
        1. Length of Visible Light 13h 32m
        2. Length of Day 12h 36m
        3. Tomorrow will be 2 minutes 43 seconds shorter
        1. Moon 8:03 AM 7:33 PM
        2. Waxing Crescent2% 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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