Chesterfield Weather Forecast

    • 61
    • 83

    Mostly Cloudy

    • 63
    • 84

    Partly Sunny

    • 67
    • 85

    Slight Chance Thunderstorms

    • 72
    • 94

    Mostly Sunny

    • 74
    • 101

    Hot

    • 70
    • 99

    Chance Rain Showers

Today 28 Jun Northern New London

Mostly cloudy with a 20 percent chance of Showers. Highs in the lower 80s. Northeast Winds around 5 Mph, becoming southeast around 5 Mph in the afternoon.

Tonight 28 Jun Northern New London

Partly cloudy. Lows around 60. South Winds around 5 Mph in the Evening, becoming light and variable.

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Chesterfield Temperature Statistics

June Temperature

Groton / New London, Groton / New London Airport (10.6 miles)

  • Lowest 2 June, 2026

    42.1 °F

  • Average June

    66.4 °F

  • Highest 11 June, 2026

    87.1 °F

Climate (2021–2026)

Groton / New London, Groton / New London Airport (10.6 miles)

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  • Average Low 2021–2026

    45.3 °F

  • Average 2021–2026

    53.2 °F

  • Average High 2021–2026

    60.7 °F
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