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      Flood Watch
      until 11:00 PM EDT
      Elev 128 ft, 41.032 °N 73.631 °W

      Greenwich, CT

      Greenwich Station
      Updated: 5:04 PM EDT on August 26, 2026 (GMT -4)
      5 minutes ago
      81°
      61°
      78
      Feels Like 79
      Partly Cloudy
      N
      8
      Same temperature is expected tomorrow
      50
      50
      575
      90
      50
      7
      0 mph
      50
      50
      50
      50
      50
      50
      Radar · Now
      Tonight
      Wed 08/26
      Low 68°f
      14% Precip. / 0 in
      Partly cloudy skies this evening will become overcast overnight. Low 68F. Winds S at 5 to 10 mph.
      Tomorrow
      Thu 08/27
      High 80°f
      90% Precip. / 0.38 in
      Scattered thunderstorms in the morning, then mainly cloudy during the afternoon with thunderstorms likely. Storms may contain strong gusty winds. High around 80F. Winds S at 10 to 15 mph. Chance of rain 90%.
      Tomorrow night
      Thu 08/27
      Low 67°f
      46% Precip. / 0.09 in
      Rain showers early with overcast skies late. Low 67F. Winds SW at 5 to 10 mph. Chance of rain 50%.
      Hourly Forecast
      Now
      79°
      6PM
      78°
      7PM
      76°
      7:36PM
      Sunset
      8PM
      74°
      9PM
      72°
      10PM
      72°
      11PM
      70°
      12AM
      70°
      1AM
      70°
      2AM
      70°
      3AM
      70°
      4AM
      70°
      5AM
      69°
      6AM
      69°
      6:16AM
      Sunrise
      7AM
      70°
      8AM
      72°
      9AM
      75°
      10AM
      52%
      76°
      11AM
      50%
      77°
      12PM
      36%
      77°
      1PM
      37%
      79°
      2PM
      43%
      80°
      3PM
      63%
      79°
      4PM
      90%
      78°
      5PM
      69%
      77°
      Precipitation
      90%
      Pollen
      Grass Pollen
      Low
      Air Quality
      28
      Good
      UV Index
      1
      Low
      Additional Conditions
      1. Pressure 30.03 in
      2. Visibility 10 miles
      3. Clouds Partly Cloudy
      4. Dew Point60°F
      5. Humidity 52%
      6. Rainfall 0 in
      7. Snow Depth 0 in
       KHPN Station History
      Almanac for August 26, 2026
      1. Forecast Average Record
      2. Temperature
      3. High 81°F 80°F 100°F 1948
      4. Low 61°F 62°F 50°F 1987
      5. Rain/Snow Depth
      6. Precipitation 0 in - in -
      7. Snow 0 in - in -
      Almanac for August 27, 2026
      1. Forecast Average Record
      2. Temperature
      3. High 80°F 80°F 95°F
      4. Low 61°F 62°F 52°F
      Astronomy
      1. Sun Rise Set
      2. Actual Time 6:15 AM 7:36 PM
      3. Civil Twilight 5:46 AM 8:05 PM
      4. Nautical Twilight 5:12 AM 8:39PM
      5. Astronomical Twilight 4:35 AM 9:15 PM
      1. Length of Visible Light 14h 18m
      2. Length of Day 13h 21m
      3. Tomorrow will be 2 minutes 34 seconds shorter
      1. Moon 7:00 PM 4:26 AM
      2. Waxing Gibbous98% of the Moon is Illuminated
      Aug 28
      Full Moon
      Sep 4
      Waning Half Last Qtr
      Sep 10
      New Moon
      Sep 18
      Waxing Half First Qtr
      Precipitation
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