Bethlehem Weather Forecast

    • 53
    • 78

    Partly Sunny

    • 51
    • 75

    Partly Sunny

    • 57
    • 70

    Chance Rain Showers

    • 58
    • 77

    Mostly Sunny

    • 48
    • 78

    Mostly Sunny

    • 46
    • 67

    Mostly Sunny

Today 15 Sep Southern Litchfield

Mostly sunny. Highs around 80. Northeast Winds around 5 Mph.

Tonight 15 Sep Southern Litchfield

Partly cloudy. Patchy fog after midnight. Lows in the mid 50s. Southeast Winds around 5 Mph in the Evening, becoming light and variable.

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Bethlehem Temperature Statistics

September Temperature

Oxford, Waterbury-Oxford Airport (11.2 miles)

  • Lowest 8 September, 2025

    45 °F

  • Average September

    63.1 °F

  • Highest 6 September, 2025

    81 °F

Climate (2020–Present)

Oxford, Waterbury-Oxford Airport (11.2 miles)

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  • Average Low 2020–2025

    42.9 °F

  • Average 2020–2025

    51.2 °F

  • Average High 2020–2025

    59.6 °F
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