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      Elev 128 ft, 41.032 °N 73.631 °W

      Greenwich, CT

      Greenwich Station67°
      Updated: 10:17 PM EDT on September 18, 2026 (GMT -4)
      4 minutes ago
      81°
      62°
      67
      Feels Like 67
      Partly Cloudy
      N
      7
      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
        Fri 09/18
        Low 58°f
         1% Precip. / 0 in
        Partly cloudy this evening with more clouds for overnight. Low 58F. Winds NNE at 5 to 10 mph.
        Tomorrow
        Sat 09/19
        High 69°f
         2% Precip. / 0 in
        Partly cloudy skies. High 69F. Winds ENE at 5 to 10 mph.
        Tomorrow night
        Sat 09/19
        Low 60°f
         24% Precip. / 0 in
        Partly cloudy skies early will become overcast later during the night. Low near 60F. Winds SE at 5 to 10 mph.
        Hourly Forecast
        Now
        68°
        11PM
        67°
        12AM
        65°
        1AM
        64°
        2AM
        62°
        3AM
        61°
        4AM
        60°
        5AM
        59°
        6AM
        59°
        6:39AM
        Sunrise
        7AM
        59°
        8AM
        61°
        9AM
        62°
        10AM
        63°
        11AM
        64°
        12PM
        66°
        1PM
        68°
        2PM
        68°
        3PM
        68°
        4PM
        68°
        5PM
        68°
        6PM
        67°
        6:56PM
        Sunset
        7PM
        64°
        8PM
        63°
        9PM
        62°
        10PM
        61°
        Precipitation
        4%
        Pollen
        None
        Air Quality
        28
        Good
        UV Index
        0
        Low
        Additional Conditions
        1. Pressure 30.1 in
        2. Visibility 10 miles
        3. Clouds Partly Cloudy
        4. Dew Point55°F
        5. Humidity 63%
        6. Rainfall 0 in
        7. Snow Depth 0 in
         KHPN Station History
        Almanac for September 19, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 81°F 73°F 93°F 1983
        4. Low 62°F 56°F 39°F 1990
        5. Rain/Snow Depth
        6. Precipitation 0 in - in -
        7. Snow 0 in - in -
        Almanac for September 20, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 69°F 73°F 91°F
        4. Low 62°F 55°F 32°F
        Astronomy
        1. Sun Rise Set
        2. Actual Time 6:39 AM 6:56 PM
        3. Civil Twilight 6:11 AM 7:24 PM
        4. Nautical Twilight 5:39 AM 7:56PM
        5. Astronomical Twilight 5:06 AM 8:29 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 3:19 PM -
        2. Waxing Gibbous59% 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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