Lancaster Airport Weather Forecast

    • 29
    • 38

    Partly Sunny

    • 21
    • 41

    Partly Sunny

    • 28
    • 37

    Mostly Cloudy

    • 32
    • 45

    Mostly Cloudy

    • 29
    • 43

    Mostly Cloudy

    • 37
    • 44

    Chance Rain

Today 20 Dec Lancaster

Mostly sunny. Much cooler with Highs in the upper 30s. South Winds 5 to 10 Mph.

Tonight 20 Dec Lancaster

Mostly clear this Evening, then becoming partly cloudy. Not as cool with Lows in the lower 30s. South Winds 10 to 15 Mph, becoming southwest after midnight.

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Lancaster Airport Temperature Statistics

December Temperature

Lancaster, Lancaster Airport (0 miles)

  • Lowest 16 December, 2025

    7 °F

  • Average December

    28.6 °F

  • Highest 18 December, 2025

    45 °F

Climate (2020–Present)

Lancaster, Lancaster Airport (0 miles)

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  • Average Low 2020–2025

    46.2 °F

  • Average 2020–2025

    55.8 °F

  • Average High 2020–2025

    65.4 °F
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