Lancaster Weather Forecast

    • 19
    • 31

    Slight Chance Snow

    • 22
    • 28

    Mostly Cloudy

    • 21
    • 35

    Cloudy

    • 12
    • 29

    Chance Snow

    • 19
    • 28

    Mostly Cloudy

    • 21
    • 38

    Slight Chance Rain/Snow

Today 29 Dec Fairfield

Mostly cloudy and windy. Much cooler with Highs in the upper 20s. West Winds 20 to 30 Mph with Gusts up to 50 Mph.

Tonight 29 Dec Fairfield

Mostly cloudy with rain. Windy, cooler with Lows in the lower 20s. West Winds 20 to 30 Mph with Gusts up to 40 Mph. Chance of rain 90 percent.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Lancaster Temperature Statistics

December Temperature

Lancaster, Fairfield County Airport (4.3 miles)

  • Lowest 15 December, 2025

    0 °F

  • Average December

    30.7 °F

  • Highest 26 December, 2025

    60.1 °F

Climate (2020–Present)

Lancaster, Fairfield County Airport (4.3 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2020–2025

    43.3 °F

  • Average 2020–2025

    54.1 °F

  • Average High 2020–2025

    64.9 °F
Get WillyWeather+ to remove ads