Lancaster Weather Forecast

    • 74
    • 93

    Mostly Sunny

    • 74
    • 94

    Chance Thunderstorms

    • 74
    • 93

    Rain Showers Likely

    • 75
    • 95

    Chance Thunderstorms

    • 73
    • 94

    Chance Thunderstorms

    • 73
    • 95

    Slight Chance Thunderstorms

Today 10 Aug Smith

Sunny. Highs in the lower 90s. Southwest Winds around 5 Mph. Heat index Values up to 105.

Tonight 10 Aug Smith

Mostly clear. Lows in the lower 70s. South Winds around 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Lancaster Temperature Statistics

August Temperature

Sparta Upper Cumberland Regional Airport (18.6 miles)

  • Lowest 2 August, 2026

    66.2 °F

  • Average August

    75.1 °F

  • Highest 7 August, 2026

    89.6 °F

Climate (2021–2026)

Sparta Upper Cumberland Regional Airport (18.6 miles)

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  • Average Low 2021–2026

    47.4 °F

  • Average 2021–2026

    59.8 °F

  • Average High 2021–2026

    70.5 °F
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