10-Day Weather Forecast - Old Greenwich, CT

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  • 54|30°F
    Thunderstorms
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    Today

    54°F

    Showers with a slight chance of thunderstorms this morning then a chance of showers this afternoon. Windy with highs in the mid 50s. South winds 20 to 30 mph becoming southwest 15 to 25 mph this afternoon. Gusts up to 45 mph. Chance of rain near 100 percent.

    Tonight

    30°F

    Partly cloudy and breezy cooler with lows in the mid 20s. West winds 15 to 25 mph. Gusts up to 45 mph decreasing to 35 mph after midnight.

    Hourly details
  • Weekend Weather

  • Day

    38°F

    Sunny in the morning then becoming partly sunny. Cooler with highs in the upper 30s. West winds 10 to 15 mph. Gusts up to 25 mph in the morning.

    Night

    35°F

    Mostly cloudy. Lows in the lower 30s. Southwest winds 10 to 15 mph.

    Hourly details
  • Day

    45°F

    Mostly sunny. Highs in the mid 40s. West winds 15 to 20 mph with gusts up to 30 mph.

    Night

    27°F

    Mostly clear. Lows in the lower 20s.

    Hourly details
  • Day

    36°F

    Sunny. Highs in the mid 30s.

    Night

    31°F

    Partly cloudy in the evening then becoming mostly cloudy. Lows in the mid 20s.

    Hourly details
  • Day

    39°F

    Snow likely in the morning then a chance of rain and snow in the afternoon. Highs in the upper 30s. Chance of precipitation 60 percent.

    Night

    36°F

    Mostly cloudy in the evening then becoming partly cloudy. Lows around 30.

    Hourly details
  • Day

    44°F

    Mostly sunny. Highs in the lower 40s.

    Night

    31°F

    Partly cloudy in the evening then becoming mostly cloudy. Lows in the upper 20s.

    Hourly details
  • Day

    41°F

    Partly sunny in the morning then becoming mostly cloudy. A 40 percent chance of rain. Highs in the mid 40s.

    Night

    39°F

    Mostly cloudy with a chance of rain. Chance of precipitation 50%. Low temperature around 39F. Dew point will be around 38F with an average humidity of 89%. Winds will be 4 mph from the SE.

  • Day

    52°F

    Cloudy with a chance of rain. Chance of precipitation 35%. High temperature around 52F. Dew point will be around 46F with an average humidity of 88%. Winds will be 4 mph from the NW.

    Night

    38°F

    Partly cloudy. Low temperature around 38F. Dew point will be around 36F with an average humidity of 82%. Winds will be 5 mph from the NW.

  • Weekend Weather

  • Day

    45°F

    Mostly sunny with a slight chance of rain. Chance of precipitation 25%. High temperature around 45F. Dew point will be around 34F with an average humidity of 71%. Winds will be 3 mph from the N.

    Night

    36°F

    Mostly cloudy with a chance of rain. Chance of precipitation 35%. Low temperature around 36F. Dew point will be around 31F with an average humidity of 76%. Winds will be 2 mph from the N.

  • Day

    41°F

    Cloudy with a slight chance of rain. Chance of precipitation 30%. High temperature around 41F. Dew point will be around 29F with an average humidity of 68%. Winds will be 4 mph from the NW.

    Night

    31°F

    Partly cloudy. Low temperature around 31F. Dew point will be around 25F with an average humidity of 71%. Winds will be 5 mph from the N.