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      Small Craft Advisory
      until 6:00 PM EDT
      Elev 128 ft, 41.032 °N 73.631 °W

      Greenwich, CT

      Greenwich Station49°
      Sun, Oct 18, 2026
      Tomorrow
      Sun 10/18
      High 58°f41°f
      0% Precip. / 0 in
      A mainly sunny sky. High 58F. Winds light and variable.
      Tomorrow night
      Sun 10/18
      Low 41°f
      3% Precip. / 0 in
      Clear. Low 41F. Winds light and variable.
      Sunrise 7:09 AM
      Sunset 6:09 PM
      Moonrise 2:31 PM
      Moonset 11:55 PM
      First Quarter, 51% visible
      Hourly Forecast
      12AM
      41°
      1AM
      40°
      2AM
      39°
      3AM
      39°
      4AM
      38°
      5AM
      38°
      6AM
      37°
      7AM
      37°
      7:09AM
      Sunrise
      8AM
      40°
      9AM
      43°
      10AM
      46°
      11AM
      50°
      12PM
      52°
      1PM
      55°
      2PM
      56°
      3PM
      57°
      4PM
      56°
      5PM
      55°
      6PM
      52°
      6:09PM
      Sunset
      7PM
      50°
      8PM
      48°
      9PM
      47°
      10PM
      45°
      11PM
      45°
      Time Conditions Temp. Feels Like Precip Amount Cloud Cover Dew Point Humidity Wind Pressure
      12:00 am
      Clear
      		 41°F 36°F 0% 0in 0% 28°F 59% 9 mph NNW 30.43in
      1:00 am
      Clear
      		 40°F 35°F 0% 0in 0% 28°F 62% 8 mph N 30.44in
      2:00 am
      Clear
      		 39°F 34°F 0% 0in 0% 28°F 63% 7 mph N 30.46in
      3:00 am
      Clear
      		 39°F 34°F 0% 0in 0% 28°F 65% 7 mph N 30.48in
      4:00 am
      Clear
      		 38°F 33°F 0% 0in 0% 28°F 66% 7 mph N 30.5in
      5:00 am
      Clear
      		 38°F 32°F 0% 0in 0% 28°F 67% 7 mph N 30.51in
      6:00 am
      Clear
      		 37°F 32°F 0% 0in 0% 27°F 66% 7 mph N 30.53in
      7:00 am
      Clear
      		 37°F 32°F 1% 0in 0% 27°F 66% 6 mph N 30.55in
      8:00 am
      Sunny
      		 40°F 35°F 1% 0in 0% 28°F 63% 6 mph N 30.56in
      9:00 am
      Sunny
      		 43°F 40°F 0% 0in 0% 30°F 60% 5 mph N 30.58in
      10:00 am
      Sunny
      		 46°F 44°F 0% 0in 0% 30°F 52% 6 mph NNE 30.59in
      11:00 am
      Sunny
      		 50°F 48°F 0% 0in 0% 29°F 44% 6 mph NNE 30.58in
      12:00 pm
      Sunny
      		 52°F 51°F 0% 0in 0% 30°F 41% 4 mph NNE 30.57in
      1:00 pm
      Sunny
      		 55°F 54°F 0% 0in 0% 29°F 38% 4 mph NE 30.56in
      2:00 pm
      Sunny
      		 56°F 56°F 0% 0in 0% 30°F 36% 4 mph NE 30.54in
      3:00 pm
      Sunny
      		 57°F 57°F 0% 0in 0% 32°F 39% 4 mph NNE 30.53in
      4:00 pm
      Sunny
      		 56°F 56°F 0% 0in 0% 33°F 41% 4 mph E 30.52in
      5:00 pm
      Sunny
      		 55°F 55°F 0% 0in 0% 36°F 48% 4 mph ESE 30.52in
      6:00 pm
      Sunny
      		 52°F 52°F 1% 0in 0% 38°F 57% 2 mph ESE 30.53in
      7:00 pm
      Clear
      		 50°F 50°F 1% 0in 0% 38°F 63% 2 mph ESE 30.54in
      8:00 pm
      Clear
      		 48°F 48°F 1% 0in 0% 37°F 66% 2 mph ESE 30.54in
      9:00 pm
      Clear
      		 47°F 47°F 2% 0in 0% 37°F 70% 1 mph ESE 30.54in
      10:00 pm
      Clear
      		 45°F 45°F 2% 0in 0% 38°F 74% 1 mph ESE 30.54in
      11:00 pm
      Clear
      		 45°F 45°F 3% 0in 0% 37°F 75% 2 mph ENE 30.54in
      Additional Conditions
      1. Pressure 30.13 in
      2. Visibility 10 miles
      3. Clouds Partly Cloudy
      4. Dew Point35°F
      5. Humidity 58%
      6. Rainfall 0.53 in
      7. Snow Depth 0 in
       KHPN Station History
      Almanac for October 17, 2026
      1. Forecast Average Record
      2. Temperature
      3. High 61°F 63°F 81°F 2016
      4. Low 39°F 45°F 32°F 1978
      5. Rain/Snow Depth
      6. Precipitation 0 in - in -
      7. Snow 0 in - in -
      Almanac for October 18, 2026
      1. Forecast Average Record
      2. Temperature
      3. High 58°F 62°F 79°F
      4. Low 36°F 45°F 26°F
      Astronomy
      1. Sun Rise Set
      2. Actual Time 7:08 AM 6:10 PM
      3. Civil Twilight 6:40 AM 6:38 PM
      4. Nautical Twilight 6:08 AM 7:10PM
      5. Astronomical Twilight 5:36 AM 7:42 PM
      1. Length of Visible Light 11h 58m
      2. Length of Day 11h 2m
      3. Tomorrow will be 2 minutes 37 seconds shorter
      1. Moon 1:55 PM 10:53 PM
      2. Waxing Crescent41% 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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