Lancaster Weather Forecast

    • 56
    • 80

    Mostly Sunny

    • 48
    • 81

    Slight Chance Thunderstorms

    • 46
    • 72

    Mostly Sunny

    • 60
    • 83

    Partly Sunny

    • 64
    • 88

    Chance Thunderstorms

    • 66
    • 92

    Slight Chance Thunderstorms

Today 12 May Smith

Sunny. Highs in the upper 70s. Light and variable Winds.

Tonight 12 May Smith

Mostly clear in the Evening, then becoming partly cloudy. Lows in the mid 50s. Light and variable Winds, becoming south around 5 Mph after midnight.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Lancaster Temperature Statistics

May Temperature

Sparta Upper Cumberland Regional Airport (18.6 miles)

  • Lowest 8 May, 2026

    35.6 °F

  • Average May

    59.7 °F

  • Highest 4 May, 2026

    78.8 °F

Climate (2021–Present)

Sparta Upper Cumberland Regional Airport (18.6 miles)

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

  • Average Low 2021–2026

    47.2 °F

  • Average 2021–2026

    59.6 °F

  • Average High 2021–2026

    70.4 °F
Get WillyWeather+ to remove ads