Lancaster Weather Forecast

    • 45
    • 63

    Chance Rain Showers

    • 12
    • 53

    Slight Chance Rain

    • 13
    • 25

    Mostly Sunny

    • 24
    • 40

    Partly Sunny

    • 17
    • 45

    Mostly Sunny

    • 15
    • 31

    Partly Sunny

Today 27 Dec Atchison

Areas of fog in the morning. Mostly cloudy. Highs in the mid 60s. South Winds 5 to 10 Mph.

Tonight 27 Dec Atchison

Mostly cloudy. A chance of Showers with a slight chance of Thunderstorms after midnight. Lows in the lower 40s. Southwest Winds 5 to 10 Mph. Chance of rain 30 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Lancaster Temperature Statistics

December Temperature

St. Joseph, Rosecrans Memorial Airport (24.9 miles)

  • Lowest 14 December, 2025

    3 °F

  • Average December

    33.7 °F

  • Highest 23 December, 2025

    63 °F

Climate (2020–Present)

St. Joseph, Rosecrans Memorial Airport (24.9 miles)

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  • Average Low 2020–2025

    43.9 °F

  • Average 2020–2025

    55.4 °F

  • Average High 2020–2025

    66.8 °F
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