Lancaster Weather Forecast

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    • 78

    Rain Showers

    • 62
    • 82

    Rain Showers Likely

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    • 84

    Rain Showers

    • 64
    • 81

    Rain Showers

    • 65
    • 83

    Rain Showers

    • 64
    • 85

    Rain Showers

Today 22 May Smith

Showers with a chance of Thunderstorms. Highs in the mid 70s. South Winds 5 to 10 Mph. Chance of rain 90 percent.

Tonight 22 May Smith

A chance of Thunderstorms. Showers. Lows in the lower 60s. South Winds 5 to 10 Mph with Gusts up to 20 Mph. Chance of rain 80 percent.

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  • 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

    65.2 °F

  • Highest 17 May, 2026

    89.6 °F

Climate (2021–Present)

Sparta Upper Cumberland Regional Airport (18.6 miles)

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  • Average Low 2021–2026

    47.3 °F

  • Average 2021–2026

    59.7 °F

  • Average High 2021–2026

    70.4 °F
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