Harwinton Weather Forecast

    • 57
    • 84

    Severe Tstms

    • 56
    • 77

    Mostly Sunny

    • 63
    • 82

    Partly Sunny

    • 67
    • 88

    Partly Sunny

    • 69
    • 88

    Chance Rain Showers

    • 66
    • 83

    Rain Showers Likely

    • 65
    • 83

    Chance Rain Showers

Today 3 Jul Southern Litchfield

Mostly sunny with a slight chance of Showers and Thunderstorms. Some Thunderstorms may be severe with damaging Winds and large hail. Hot. Near steady temperature in the mid 80s. West Winds around 10 Mph. Chance of rain 20 percent.

Tonight 3 Jul Southern Litchfield

Mostly cloudy with a chance of Showers and Thunderstorms this Evening, then mostly clear after midnight. Some Thunderstorms may be severe with damaging Winds and large hail. Lows in the upper 50s. Northwest Winds 10 to 15 Mph, Diminishing to around 5 Mph after midnight. Chance of rain 30 percent.

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Harwinton Temperature Statistics

July Temperature

Oxford, Waterbury-Oxford Airport (19.9 miles)

  • Lowest 1 July, 2025

    69.1 °F

  • Average July

    76 °F

  • Highest 1 July, 2025

    89.1 °F

Climate (2020–Present)

Oxford, Waterbury-Oxford Airport (19.9 miles)

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  • Average Low 2020–2025

    43 °F

  • Average 2020–2025

    51.3 °F

  • Average High 2020–2025

    59.6 °F
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