Old Greenwich, Connecticut | 10-Day Weather Forecasts & Weekend Weather | WeatherBug
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10 Day Forecast
  • Forecast night icon
    Night
    Thunderstorms
    47°
    Wednesday 4/17
    Forecast night icon
    47°
    Thunderstorms
    Hourly
    Night Details
    Showers with a slight chance of thunderstorms this evening then showers after midnight. Lows in the mid 40s. East winds 5 to 10 mph increasing to 15 to 20 mph after midnight. Chance of rain near 100 percent.
  • Forecast day icon
    Thursday
    Rain
    49°
    Forecast night icon
    Night
    50% Chance Rain Showers
    47°
    Thursday 4/18
    Day
    49°
    Rain
    Forecast day icon
    Night
    47°
    50% Chance Rain Showers
    Forecast night icon
    Hourly
    Day Details
    Showers. Highs in the upper 40s. East winds 15 to 20 mph with gusts up to 30 mph. Chance of rain 90 percent.
    Night Details
    Cloudy. A chance of showers in the evening. Lows in the lower 40s. East winds 10 to 15 mph. Gusts up to 25 mph in the evening. Chance of rain 50 percent.
  • Forecast day icon
    Friday
    30% Chance Rain Showers
    54°
    Forecast night icon
    Night
    50% Chance Rain Showers
    50°
    Friday 4/19
    Day
    54°
    30% Chance Rain Showers
    Forecast day icon
    Night
    50°
    50% Chance Rain Showers
    Forecast night icon
    Hourly
    Day Details
    Cloudy. A chance of showers in the afternoon. Highs in the mid 50s. East winds 5 to 10 mph. Chance of rain 30 percent.
    Night Details
    Mostly cloudy with a 50 percent chance of showers. Lows in the upper 40s. Southeast winds 5 to 10 mph becoming southwest after midnight.
  • Forecast day icon
    Saturday
    40% Chance Rain Showers
    63°
    Forecast night icon
    Night
    Partly Cloudy
    45°
    Saturday 4/20
    Day
    63°
    40% Chance Rain Showers
    Forecast day icon
    Night
    45°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Partly sunny. A chance of showers in the morning. Highs in the lower 60s. Chance of rain 40 percent.
    Night Details
    Partly cloudy in the evening then becoming mostly clear. Lows around 40.
  • Forecast day icon
    Sunday
    Mostly Sunny
    59°
    Forecast night icon
    Night
    Partly Cloudy
    46°
    Sunday 4/21
    Day
    59°
    Mostly Sunny
    Forecast day icon
    Night
    46°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Mostly sunny. Highs in the upper 50s.
    Night Details
    Partly cloudy. Lows in the lower 40s.
  • Forecast day icon
    Monday
    Mostly Sunny
    62°
    Forecast night icon
    Night
    Partly Cloudy
    47°
    Monday 4/22
    Day
    62°
    Mostly Sunny
    Forecast day icon
    Night
    47°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Mostly sunny. Highs in the lower 60s.
    Night Details
    Partly cloudy. Lows in the lower 40s.
  • Forecast day icon
    Tuesday
    Partly Sunny
    64°
    Forecast night icon
    Night
    30% Chance Rain Showers
    50°
    Tuesday 4/23
    Day
    64°
    Partly Sunny
    Forecast day icon
    Night
    50°
    30% Chance Rain Showers
    Forecast night icon
    Hourly
    Day Details
    Partly sunny. Highs in the lower 60s.
    Night Details
    Mostly cloudy. A chance of showers after midnight. Lows in the mid 40s. Chance of rain 30 percent.
  • Forecast day icon
    Wednesday
    30% Chance Rain Showers
    62°
    Forecast night icon
    Night
    Mostly Clear
    52°
    Wednesday 4/24
    Day
    62°
    30% Chance Rain Showers
    Forecast day icon
    Night
    52°
    Mostly Clear
    Forecast night icon
    Hourly
    Day Details
    Partly sunny with a 30 percent chance of showers. Highs in the lower 60s.
    Night Details
    Mostly clear. Low temperature around 52F. Dew point will be around 45F with an average humidity of 69%. Winds will be 3 mph from the S.
  • Forecast day icon
    Thursday
    Partly Cloudy
    62°
    Forecast night icon
    Night
    Partly Cloudy
    53°
    Thursday 4/25
    Day
    62°
    Partly Cloudy
    Forecast day icon
    Night
    53°
    Partly Cloudy
    Forecast night icon
    Day Details
    Partly cloudy. High temperature around 62F. Dew point will be around 46F with an average humidity of 64%. Winds will be 3 mph from the SE.
    Night Details
    Partly cloudy. Low temperature around 53F. Dew point will be around 47F with an average humidity of 74%. Winds will be 4 mph from the SE.
  • Forecast day icon
    Friday
    30% Chance of Rain
    64°
    Forecast night icon
    Night
    40% Chance of Rain
    55°
    Friday 4/26
    Day
    64°
    30% Chance of Rain
    Forecast day icon
    Night
    55°
    40% Chance of Rain
    Forecast night icon
    Day Details
    Mostly cloudy with a slight chance of rain. Chance of precipitation 25%. High temperature around 64F. Dew point will be around 49F with an average humidity of 67%. Winds will be 4 mph from the SE.
    Night Details
    Cloudy with a chance of rain. Chance of precipitation 35%. Low temperature around 55F. Dew point will be around 49F with an average humidity of 76%. Winds will be 5 mph from the SE.