Old Saybrook Weather Forecast

    • 51
    • 65

    Partly Sunny

    • 60
    • 64

    Rain Likely

    • 55
    • 68

    Slight Chance Rain

    • 51
    • 68

    Chance Rain Showers

    • 44
    • 63

    Mostly Sunny

    • 46
    • 61

    Partly Sunny

Today 10 Oct Southern Middlesex

Mostly sunny. Highs in the mid 60s. Northwest Winds around 5 Mph.

Tonight 10 Oct Southern Middlesex

Partly cloudy in the Evening, then becoming mostly cloudy. Lows around 50. Light and variable Winds, becoming southeast around 5 Mph after midnight.

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Old Saybrook Temperature Statistics

October Temperature

Chester, Chester Airport (8.7 miles)

  • Lowest 7 October, 2026

    37.4 °F

  • Average October

    60.1 °F

  • Highest 2 October, 2026

    80.6 °F

Climate (2021–2026)

Chester, Chester Airport (8.7 miles)

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  • Average Low 2021–2026

    45.1 °F

  • Average 2021–2026

    53.5 °F

  • Average High 2021–2026

    62.5 °F
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