Fort Trumbull Weather Forecast

    • 42
    • 51

    Rain

    • 48
    • 59

    Chance Rain Showers

    • 48
    • 63

    Slight Chance Rain Showers

    • 49
    • 66

    Partly Sunny

    • 53
    • 70

    Mostly Cloudy

    • 53
    • 67

    Chance Rain Showers

Today 22 May Southern New London

Rain. Highs in the lower 50s. Northeast Winds 15 to 20 Mph with Gusts up to 35 Mph. Chance of rain near 100 percent.

Tonight 22 May Southern New London

Rain in the Evening, then a chance of Showers after midnight. Lows in the lower 40s. North Winds 15 to 20 Mph, becoming northwest 10 to 15 Mph after midnight. Gusts up to 30 Mph. Chance of rain near 100 percent.

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Fort Trumbull Temperature Statistics

May Temperature

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

  • Lowest 12 May, 2025

    40.6 °F

  • Average May

    59.6 °F

  • Highest 11 May, 2025

    75.7 °F

Climate (2020–Present)

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

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  • Average Low 2020–2025

    45.7 °F

  • Average 2020–2025

    53.6 °F

  • Average High 2020–2025

    61.2 °F
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