Harwinton Weather Forecast

    • 61
    • 82

    Partly Sunny

    • 62
    • 81

    Partly Sunny

    • 60
    • 81

    Chance Rain Showers

    • 54
    • 77

    Mostly Sunny

    • 54
    • 75

    Partly Sunny

    • 58
    • 76

    Chance Rain Showers

Today 11 Aug Southern Litchfield

Mostly sunny. Hot with Highs in the mid 80s. Northwest Winds around 5 Mph.

Tonight 11 Aug Southern Litchfield

Mostly clear. Near steady temperature in the upper 60s. West Winds around 5 Mph.

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Harwinton Temperature Statistics

August Temperature

Oxford, Waterbury-Oxford Airport (19.9 miles)

  • Lowest 4 August, 2026

    59 °F

  • Average August

    74.3 °F

  • Highest 6 August, 2026

    88 °F

Climate (2021–2026)

Oxford, Waterbury-Oxford Airport (19.9 miles)

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  • Average Low 2021–2026

    42.7 °F

  • Average 2021–2026

    51 °F

  • Average High 2021–2026

    59.4 °F
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