Old Lyme Weather Forecast

    • 63
    • 81

    Mostly Cloudy

    • 63
    • 77

    Partly Sunny

    • 64
    • 81

    Mostly Sunny

    • 68
    • 84

    Chance Rain Showers

    • 72
    • 87

    Slight Chance Thunderstorms

    • 73
    • 91

    Mostly Sunny

Today 27 Jun Southern New London

Partly sunny. Highs in the upper 70s. Light and variable Winds, becoming south around 5 Mph this afternoon.

Tonight 27 Jun Southern New London

Mostly cloudy with a 20 percent chance of Showers. Lows in the lower 60s. South Winds around 5 Mph in the Evening, becoming light and variable.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Old Lyme Temperature Statistics

June Temperature

Chester, Chester Airport (11.2 miles)

  • Lowest 1 June, 2026

    46.4 °F

  • Average June

    70.6 °F

  • Highest 11 June, 2026

    93.2 °F

Climate (2021–2026)

Chester, Chester Airport (11.2 miles)

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  • Average Low 2021–2026

    45.2 °F

  • Average 2021–2026

    53.6 °F

  • Average High 2021–2026

    62.5 °F
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