Joanna Weather Forecast

    • 26
    • 40

    Chance Rain

    • 12
    • 30

    Snow

    • 0
    • 20

    Partly Sunny

    • 1
    • 15

    Chance Snow

    • 2
    • 15

    Partly Sunny

    • 12
    • 25

    Mostly Cloudy

Today 18 Jan Berks

A slight chance of freezing rain or sleet in the morning. Mostly cloudy with a chance of rain. Little or no sleet accumulation. Ice accumulation around a trace. Highs in the upper 30s. South Winds 5 to 10 Mph with Gusts up to 25 Mph. Chance of precipitation 40 percent.

Tonight 18 Jan Berks

Mostly cloudy. Cold with Lows in the mid 20s. Southwest Winds around 5 Mph, becoming northwest after midnight.

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Joanna Temperature Statistics

January Temperature

Chester County Airport (13 miles)

  • Lowest 7 January, 2025

    17.6 °F

  • Average January

    27.7 °F

  • Highest 1 January, 2025

    46.4 °F

Climate (2020–Present)

Chester County Airport (13 miles)

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  • Average Low 2020–2025

    46.1 °F

  • Average 2020–2025

    54.6 °F

  • Average High 2020–2025

    63 °F
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