10-Day Weather Forecast - Old Lyme, CT

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  • |62°F
    Thunderstorms

    Tonight

    62°F

    Mostly cloudy with a 100% chance for rain and thunderstorms. Low temperature around 62F. Dew point will be around 63F with an average humidity of 95%. Winds will be 6 mph from the NE.

    Hourly details
  • 68|65°F
    Rain

    Day

    68°F

    Mostly cloudy. Showers mainly this morning. Highs in the lower 70s. Northeast winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 90 percent.

    Night

    65°F

    Mostly cloudy. A chance of showers in the evening. Lows in the lower 60s. North winds 5 to 10 mph. Gusts up to 20 mph in the evening. Chance of rain 40 percent.

    Hourly details
  • 79|68°F
    Mostly Sunny

    Day

    79°F

    Mostly sunny. Highs in the upper 70s. North winds 5 to 10 mph.

    Night

    68°F

    Partly cloudy. Lows in the mid 60s. Southwest winds around 5 mph.

    Hourly details
  • 84|72°F
    Mostly Sunny

    Day

    84°F

    Mostly sunny. Humid with highs in the lower 80s. Southwest winds 5 to 10 mph. Gusts up to 20 mph in the afternoon.

    Night

    72°F

    Mostly cloudy. A chance of showers in the evening then a chance of showers and thunderstorms after midnight. Lows in the upper 60s. Chance of rain 50 percent.

    Hourly details
  • 85|71°F
    50% Chance of Storms

    Day

    85°F

    Partly sunny. A chance of showers in the morning then a chance of showers and thunderstorms in the afternoon. Highs in the upper 80s. Chance of rain 50 percent. Heat index values up to 105.

    Night

    71°F

    Mostly cloudy with a chance of showers and thunderstorms in the evening then partly cloudy after midnight. Lows in the upper 60s. Chance of rain 50 percent.

    Hourly details
  • 84|67°F
    Mostly Sunny

    Day

    84°F

    Mostly sunny. Highs in the mid 80s.

    Night

    67°F

    Partly cloudy. Lows in the mid 60s.

    Hourly details
  • 83|67°F
    Sunny

    Day

    83°F

    Sunny. Highs in the mid 80s.

    Night

    67°F

    Partly cloudy. A chance of showers after midnight. Lows in the mid 60s. Chance of rain 30 percent.

    Hourly details
  • 81|67°F
    30% Chance Rain Showers

    Day

    81°F

    Partly sunny with a 30 percent chance of showers. Highs in the mid 80s.

    Night

    67°F

    Partly cloudy with a slight chance of rain. Chance of precipitation 30%. Low temperature around 67F. Dew point will be around 67F with an average humidity of 88%. Winds will be 3 mph from the SW.

  • 84|69°F
    30% Chance of Rain

    Day

    84°F

    Sunny with a slight chance of rain. Chance of precipitation 25%. High temperature around 84F. Dew point will be around 68F with an average humidity of 71%. Winds will be 4 mph from the SW.

    Night

    69°F

    Mostly clear with a chance of rain. Chance of precipitation 35%. Low temperature around 69F. Dew point will be around 67F with an average humidity of 85%. Winds will be 4 mph from the SW.

  • 83|70°F
    40% Chance of Storms

    Day

    83°F

    Mostly sunny with a 55% chance for rain and thunderstorms. High temperature around 83F. Dew point will be around 69F with an average humidity of 73%. Winds will be 4 mph from the SW.

    Night

    70°F

    Partly cloudy with a 60% chance for rain and thunderstorms. Low temperature around 70F. Dew point will be around 68F with an average humidity of 86%. Winds will be 3 mph from the W.