Old Saybrook Weather Forecast

    • 32
    • 41

    Becoming Sunny

    • 35
    • 43

    Partly Sunny

    • 40
    • 46

    Mostly Cloudy

    • 45
    • 53

    Rain Likely

    • 27
    • 50

    Slight Chance Rain/Snow

    • 31
    • 39

    Mostly Sunny

    • 35
    • 44

    Partly Sunny

Today 23 Mar Southern Middlesex

Mostly cloudy with a 30 percent chance of Showers. Near steady temperature around 40. North Winds 5 to 10 Mph with Gusts up to 20 Mph.

Tonight 23 Mar Southern Middlesex

Mostly cloudy with a slight chance of rain Showers this Evening, then partly cloudy after midnight. Lows around 30. North Winds 5 to 10 Mph. Gusts up to 20 Mph after midnight. Chance of rain 20 percent.

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Old Saybrook Temperature Statistics

March Temperature

Chester, Chester Airport (8.7 miles)

  • Lowest 2 March, 2026

    15.8 °F

  • Average March

    41.5 °F

  • Highest 10 March, 2026

    73.4 °F

Climate (2021–Present)

Chester, Chester Airport (8.7 miles)

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  • Average Low 2021–2026

    45.2 °F

  • Average 2021–2026

    53.6 °F

  • Average High 2021–2026

    62.6 °F
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