New Milltown Weather Forecast

    • 64
    • 87

    Becoming Sunny

    • 69
    • 87

    Mostly Sunny

    • 75
    • 96

    Mostly Sunny

    • 76
    • 98

    Hot

    • 75
    • 101

    Slight Chance Thunderstorms

    • 72
    • 97

    Chance Thunderstorms

Today 29 Jun Lancaster

Patchy fog this morning. Mostly sunny. Very warm with Highs in the upper 80s. Northeast Winds around 5 Mph, becoming southeast around 5 Mph this afternoon.

Tonight 29 Jun Lancaster

Mostly clear. Humid with Lows in the mid 60s. South Winds around 5 Mph.

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New Milltown Temperature Statistics

June Temperature

Chester County Airport (10.6 miles)

  • Lowest 2 June, 2026

    44.4 °F

  • Average June

    71.2 °F

  • Highest 12 June, 2026

    91.6 °F

Climate (2021–2026)

Chester County Airport (10.6 miles)

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  • Average Low 2021–2026

    45.9 °F

  • Average 2021–2026

    54.4 °F

  • Average High 2021–2026

    63 °F
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