Harwinton Weather Forecast

    • 46
    • 62

    Mostly Cloudy

    • 42
    • 54

    Rain

    • 42
    • 48

    Rain

    • 44
    • 55

    Chance Rain Showers

    • 45
    • 58

    Chance Rain Showers

    • 47
    • 66

    Chance Rain Showers

Today 20 May Southern Litchfield

Partly sunny. Highs in the upper 60s. North Winds 5 to 10 Mph.

Tonight 20 May Southern Litchfield

Mostly cloudy. Patchy drizzle after midnight. Lows in the upper 40s. Northeast Winds around 5 Mph.

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Harwinton Temperature Statistics

May Temperature

Oxford, Waterbury-Oxford Airport (19.9 miles)

  • Lowest 1 May, 2025

    39.9 °F

  • Average May

    60.1 °F

  • Highest 2 May, 2025

    78.1 °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

    59.7 °F
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