Fort Trumbull Weather Forecast

    • 71
    • 84

    Mostly Sunny

    • 69
    • 89

    Slight Chance Thunderstorms

    • 65
    • 84

    Slight Chance Rain Showers

    • 68
    • 81

    Chance Rain Showers

    • 69
    • 85

    Mostly Sunny

    • 70
    • 89

    Slight Chance Thunderstorms

Today 24 Jul Southern New London

Sunny. Highs in the lower 80s. Southwest Winds 10 to 15 Mph.

Tonight 24 Jul Southern New London

Mostly clear. Near steady temperature in the mid 60s. Southwest Winds around 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Fort Trumbull Temperature Statistics

July Temperature

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

  • Lowest 5 July, 2025

    63 °F

  • Average July

    74.9 °F

  • Highest 8 July, 2025

    86 °F

Climate (2020–Present)

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

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  • Average Low 2020–2025

    45.8 °F

  • Average 2020–2025

    53.6 °F

  • Average High 2020–2025

    61.2 °F
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