Fort Trumbull Weather Forecast

    • 60
    • 74

    Increasing Clouds

    • 66
    • 75

    Rain Showers Likely

    • 63
    • 77

    Mostly Sunny

    • 62
    • 77

    Mostly Sunny

    • 62
    • 84

    Chance Rain Showers

    • 62
    • 79

    Chance Rain Showers

Today 17 Jun Southern New London

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

Tonight 17 Jun Southern New London

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

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  • Temperature Real-Time

Fort Trumbull Temperature Statistics

June Temperature

Groton / New London, Groton / New London Airport (2.5 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 (2.5 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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