Old Greenwich, Connecticut | 10-Day Weather Forecasts & Weekend Weather | WeatherBug
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10 Day Forecast
  • Forecast night icon
    Night
    Rain
    51°
    Sunday 5/5
    Forecast night icon
    51°
    Rain
    Hourly
    Night Details
    Showers. Lows around 50. Southeast winds 5 to 10 mph. Chance of rain near 100 percent.
  • Forecast day icon
    Monday
    30% Chance Rain Showers
    65°
    Forecast night icon
    Night
    Mostly Cloudy
    60°
    Monday 5/6
    Day
    65°
    30% Chance Rain Showers
    Forecast day icon
    Night
    60°
    Mostly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Cloudy. A chance of showers in the morning. Not as cool with highs in the upper 60s. South winds 5 to 10 mph. Chance of rain 30 percent.
    Night Details
    Mostly cloudy. A slight chance of showers with isolated thunderstorms in the evening. Lows in the mid 50s. Southwest winds 5 to 10 mph becoming northwest after midnight. Chance of rain 20 percent.
  • Forecast day icon
    Tuesday
    Mostly Sunny
    67°
    Forecast night icon
    Night
    60% Chance of Storms
    59°
    Tuesday 5/7
    Day
    67°
    Mostly Sunny
    Forecast day icon
    Night
    59°
    60% Chance of Storms
    Forecast night icon
    Hourly
    Day Details
    Mostly sunny. Highs in the mid 70s. Northeast winds around 5 mph becoming south in the afternoon.
    Night Details
    Partly cloudy with a slight chance of showers in the evening then mostly cloudy with showers likely with isolated thunderstorms after midnight. Lows in the mid 50s. South winds 5 to 10 mph. Chance of rain 60 percent.
  • Forecast day icon
    Wednesday
    60% Chance Rain Showers
    73°
    Forecast night icon
    Night
    40% Chance of Storms
    58°
    Wednesday 5/8
    Day
    73°
    60% Chance Rain Showers
    Forecast day icon
    Night
    58°
    40% Chance of Storms
    Forecast night icon
    Hourly
    Day Details
    Mostly cloudy with showers likely in the morning then mostly sunny with a chance of showers in the afternoon. Highs in the mid 70s. Chance of rain 60 percent.
    Night Details
    Partly cloudy with scattered thunderstorms with a chance of showers in the evening then mostly cloudy after midnight. Lows in the mid 50s. Chance of rain 40 percent.
  • Forecast day icon
    Thursday
    70% Chance of Storms
    63°
    Forecast night icon
    Night
    70% Chance of Storms
    54°
    Thursday 5/9
    Day
    63°
    70% Chance of Storms
    Forecast day icon
    Night
    54°
    70% Chance of Storms
    Forecast night icon
    Hourly
    Day Details
    Mostly cloudy. A chance of showers in the morning then showers likely with scattered thunderstorms in the afternoon. Highs in the lower 60s. Chance of rain 70 percent.
    Night Details
    Showers likely with scattered thunderstorms. Lows in the lower 50s. Chance of rain 70 percent.
  • Forecast day icon
    Friday
    50% Chance Rain Showers
    63°
    Forecast night icon
    Night
    50% Chance Rain Showers
    50°
    Friday 5/10
    Day
    63°
    50% Chance Rain Showers
    Forecast day icon
    Night
    50°
    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 upper 40s.
  • Forecast day icon
    Saturday
    40% Chance Rain Showers
    56°
    Forecast night icon
    Night
    40% Chance Rain Showers
    51°
    Saturday 5/11
    Day
    56°
    40% Chance Rain Showers
    Forecast day icon
    Night
    51°
    40% Chance Rain Showers
    Forecast night icon
    Hourly
    Day Details
    Partly sunny with a 40 percent chance of showers. Highs in the lower 60s.
    Night Details
    Mostly cloudy with a 40 percent chance of showers. Lows in the upper 40s.
  • Forecast day icon
    Sunday
    30% Chance Rain Showers
    61°
    Forecast night icon
    Night
    40% Chance of Rain
    52°
    Sunday 5/12
    Day
    61°
    30% Chance Rain Showers
    Forecast day icon
    Night
    52°
    40% Chance of Rain
    Forecast night icon
    Hourly
    Day Details
    Partly sunny with a 30 percent chance of showers. Highs in the lower 60s.
    Night Details
    Cloudy with a chance of rain. Chance of precipitation 35%. Low temperature around 52F. Dew point will be around 49F with an average humidity of 83%. Winds will be 2 mph from the E.
  • Forecast day icon
    Monday
    Mostly Sunny
    64°
    Forecast night icon
    Night
    30% Chance of Rain
    55°
    Monday 5/13
    Day
    64°
    Mostly Sunny
    Forecast day icon
    Night
    55°
    30% Chance of Rain
    Forecast night icon
    Day Details
    Mostly sunny. High temperature around 64F. Dew point will be around 51F with an average humidity of 76%. Winds will be 2 mph from the N.
    Night Details
    Partly cloudy with a slight chance of rain. Chance of precipitation 25%. Low temperature around 55F. Dew point will be around 50F with an average humidity of 77%. Winds will be 1 mph from the NW.
  • Forecast day icon
    Tuesday
    Sunny
    67°
    Forecast night icon
    Night
    40% Chance of Rain
    57°
    Tuesday 5/14
    Day
    67°
    Sunny
    Forecast day icon
    Night
    57°
    40% Chance of Rain
    Forecast night icon
    Day Details
    Sunny. High temperature around 67F. Dew point will be around 53F with an average humidity of 73%. Winds will be 2 mph from the NW.
    Night Details
    Mostly clear with a chance of rain. Chance of precipitation 35%. Low temperature around 57F. Dew point will be around 52F with an average humidity of 76%. Winds will be 2 mph from the NW.