Harwinton Weather Forecast

    • 35
    • 56

    Sunny

    • 49
    • 63

    Mostly Sunny

    • 48
    • 70

    Mostly Sunny

    • 45
    • 64

    Mostly Sunny

    • 46
    • 64

    Mostly Sunny

    • 52
    • 65

    Chance Rain Showers

Today 6 Oct Southern Litchfield

Sunny, cooler with Highs in the upper 50s. Northwest Winds 5 to 10 Mph with Gusts up to 20 Mph.

Tonight 6 Oct Southern Litchfield

Clear. Patchy frost after midnight. Lows in the mid 30s. Northwest Winds around 5 Mph in the Evening, becoming light and variable.

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Harwinton Temperature Statistics

October Temperature

Oxford, Waterbury-Oxford Airport (19.9 miles)

  • Lowest 4 October, 2026

    48.9 °F

  • Average October

    62.1 °F

  • Highest 2 October, 2026

    82 °F

Climate (2021–2026)

Oxford, Waterbury-Oxford Airport (19.9 miles)

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  • Average Low 2021–2026

    42.6 °F

  • Average 2021–2026

    51 °F

  • Average High 2021–2026

    59.4 °F
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