Montville Weather Forecast

    • 59
    • 77

    Increasing Clouds

    • 65
    • 76

    Rain Showers Likely

    • 62
    • 79

    Partly Sunny

    • 61
    • 79

    Mostly Sunny

    • 61
    • 83

    Partly Sunny

    • 62
    • 77

    Chance Rain Showers

Today 17 Jun Northern New London

Mostly sunny. Highs in the upper 70s. South Winds 5 to 10 Mph.

Tonight 17 Jun Northern New London

Partly cloudy in the Evening, then becoming mostly cloudy. Lows in the upper 50s. South Winds 5 to 10 Mph.

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Montville Temperature Statistics

June Temperature

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

  • Lowest 2 June, 2026

    42.1 °F

  • Average June

    65.9 °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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