New Milltown Weather Forecast

    • 22
    • 34

    Mostly Cloudy

    • 30
    • 37

    Mostly Cloudy

    • 38
    • 47

    Chance Rain

    • 33
    • 51

    Partly Sunny

    • 41
    • 51

    Rain Likely

    • 45
    • 54

    Rain Likely

    • 32
    • 55

    Chance Rain

Today 4 Jan Lancaster

Mostly sunny. Highs in the mid 30s. Northwest Winds 5 to 10 Mph with Gusts up to 20 Mph.

Tonight 4 Jan Lancaster

Mostly cloudy. Lows in the lower 20s. West Winds 5 to 10 Mph.

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New Milltown Temperature Statistics

January Temperature

Chester County Airport (10.6 miles)

  • Lowest 1 January, 2026

    18 °F

  • Average January

    23.6 °F

  • Highest 1 January, 2026

    34.2 °F

Climate (2021–Present)

Chester County Airport (10.6 miles)

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  • Average Low 2021–2026

    46 °F

  • Average 2021–2026

    54.5 °F

  • Average High 2021–2026

    63 °F
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