Old Greenwich, Connecticut | 10-Day Weather Forecasts & Weekend Weather | WeatherBug
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10 Day Forecast
  • Forecast day icon
    Monday
    Mostly Sunny
    62°
    Forecast night icon
    Night
    Mostly Cloudy
    54°
    Monday 5/13
    Day
    62°
    Mostly Sunny
    Forecast day icon
    Night
    54°
    Mostly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Mostly sunny. High temperature around 62F. Dew point will be around 51F with an average humidity of 72%. Winds will be 5 mph from the SW.
    Night Details
    Mostly cloudy. Isolated showers this evening. Lows in the lower 50s. South winds 10 to 15 mph diminishing to around 5 mph after midnight. Chance of rain 20 percent.
  • Forecast day icon
    Tuesday
    Mostly Sunny
    71°
    Forecast night icon
    Night
    50% Chance Rain Showers
    59°
    Tuesday 5/14
    Day
    71°
    Mostly Sunny
    Forecast day icon
    Night
    59°
    50% Chance Rain Showers
    Forecast night icon
    Hourly
    Day Details
    Mostly sunny. Highs in the lower 70s. South winds 10 to 15 mph.
    Night Details
    Cloudy with a 50 percent chance of showers. Lows in the mid 50s. South winds 5 to 10 mph.
  • Forecast day icon
    Wednesday
    60% Chance of Rain
    61°
    Forecast night icon
    Night
    60% Chance of Rain
    57°
    Wednesday 5/15
    Day
    61°
    60% Chance of Rain
    Forecast day icon
    Night
    57°
    60% Chance of Rain
    Forecast night icon
    Hourly
    Day Details
    Cloudy. A chance of rain in the morning then rain likely in the afternoon. Highs in the mid 60s. Southeast winds 5 to 10 mph. Chance of rain 60 percent.
    Night Details
    Mostly cloudy. Rain likely mainly in the evening. Lows in the mid 50s. Northeast winds 10 to 15 mph. Chance of rain 60 percent.
  • Forecast day icon
    Thursday
    40% Chance of Rain
    68°
    Forecast night icon
    Night
    Partly Cloudy
    58°
    Thursday 5/16
    Day
    68°
    40% Chance of Rain
    Forecast day icon
    Night
    58°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Mostly cloudy with a chance of rain in the morning then partly sunny with a chance of rain in the afternoon. Highs in the upper 60s. Chance of rain 40 percent.
    Night Details
    Partly cloudy in the evening then becoming mostly cloudy. Lows in the mid 50s.
  • Forecast day icon
    Friday
    Partly Sunny
    67°
    Forecast night icon
    Night
    40% Chance Rain Showers
    57°
    Friday 5/17
    Day
    67°
    Partly Sunny
    Forecast day icon
    Night
    57°
    40% Chance Rain Showers
    Forecast night icon
    Hourly
    Day Details
    Mostly cloudy in the morning then becoming partly sunny. Highs around 70.
    Night Details
    Mostly cloudy. A chance of showers after midnight. Lows in the mid 50s. Chance of rain 40 percent.
  • Forecast day icon
    Saturday
    50% Chance Rain Showers
    62°
    Forecast night icon
    Night
    50% Chance Rain Showers
    55°
    Saturday 5/18
    Day
    62°
    50% Chance Rain Showers
    Forecast day icon
    Night
    55°
    50% Chance Rain Showers
    Forecast night icon
    Hourly
    Day Details
    Mostly cloudy with a 50 percent chance of showers. Highs in the mid 60s.
    Night Details
    Mostly cloudy with a 50 percent chance of showers. Lows in the mid 50s.
  • Forecast day icon
    Sunday
    30% Chance Rain Showers
    65°
    Forecast night icon
    Night
    Partly Cloudy
    57°
    Sunday 5/19
    Day
    65°
    30% Chance Rain Showers
    Forecast day icon
    Night
    57°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Partly sunny. A chance of showers in the morning. Highs in the lower 70s. Chance of rain 30 percent.
    Night Details
    Partly cloudy. Lows in the lower 50s.
  • Forecast day icon
    Monday
    Mostly Sunny
    72°
    Forecast night icon
    Night
    30% Chance of Rain
    61°
    Monday 5/20
    Day
    72°
    Mostly Sunny
    Forecast day icon
    Night
    61°
    30% Chance of Rain
    Forecast night icon
    Day Details
    Mostly sunny. Highs in the lower 70s.
    Night Details
    Clear with a slight chance of rain. Chance of precipitation 30%. Low temperature around 61F. Dew point will be around 56F with an average humidity of 75%. Winds will be 2 mph from the NW.
  • Forecast day icon
    Tuesday
    30% Chance of Rain
    72°
    Forecast night icon
    Night
    30% Chance of Rain
    60°
    Tuesday 5/21
    Day
    72°
    30% Chance of Rain
    Forecast day icon
    Night
    60°
    30% Chance of Rain
    Forecast night icon
    Day Details
    Mostly sunny with a slight chance of rain. Chance of precipitation 25%. High temperature around 72F. Dew point will be around 57F with an average humidity of 68%. Winds will be 1 mph from the S.
    Night Details
    Partly cloudy with a slight chance of rain. Chance of precipitation 25%. Low temperature around 60F. Dew point will be around 56F with an average humidity of 75%. Winds will be 1 mph from the SW.
  • Forecast day icon
    Wednesday
    40% Chance of Rain
    68°
    Forecast night icon
    Night
    40% Chance of Rain
    59°
    Wednesday 5/22
    Day
    68°
    40% Chance of Rain
    Forecast day icon
    Night
    59°
    40% Chance of Rain
    Forecast night icon
    Day Details
    Partly cloudy with a chance of rain. Chance of precipitation 35%. High temperature around 68F. Dew point will be around 57F with an average humidity of 76%. Winds will be 1 mph from the E.
    Night Details
    Partly cloudy with a chance of rain. Chance of precipitation 40%. Low temperature around 59F. Dew point will be around 56F with an average humidity of 81%. Winds will be 3 mph from the N.