Lancaster Municipal Airport Weather Forecast

    • 33
    • 38

    Mostly Cloudy

    • 26
    • 41

    Mostly Cloudy

    • 36
    • 39

    Cloudy

    • 37
    • 45

    Mostly Cloudy

    • 30
    • 45

    Mostly Cloudy

    • 19
    • 43

    Mostly Cloudy

Today 22 Dec Grant

Mostly cloudy. Highs in the upper 30s. South Winds 5 to 10 Mph.

Tonight 22 Dec Grant

Mostly cloudy. Near steady temperature in the mid 30s. Southwest Winds around 5 Mph.

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Lancaster Municipal Airport Temperature Statistics

December Temperature

Platteville Municipal Airport (13.7 miles)

  • Lowest 14 December, 2025

    -7.8 °F

  • Average December

    18.5 °F

  • Highest 18 December, 2025

    39 °F

Climate (2020–Present)

Platteville Municipal Airport (13.7 miles)

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  • Average Low 2020–2025

    40.7 °F

  • Average 2020–2025

    49.8 °F

  • Average High 2020–2025

    58.6 °F
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