Lancaster Weather Forecast

    • 76
    • 98

    Hot

    • 71
    • 95

    Chance Thunderstorms

    • 69
    • 93

    Mostly Sunny

    • 72
    • 95

    Partly Sunny

    • 68
    • 91

    Chance Thunderstorms

    • 66
    • 89

    Chance Thunderstorms

Today 16 Aug Smith

Sunny, hot with Highs in the upper 90s. Southwest Winds around 5 Mph. Heat index Values up to 109.

Tonight 16 Aug Smith

Mostly clear. Lows in the mid 70s. Southwest Winds around 5 Mph in the Evening, becoming light and variable. Heat index Values up to 106 early in the evening.

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Lancaster Temperature Statistics

August Temperature

Sparta Upper Cumberland Regional Airport (18.6 miles)

  • Lowest 2 August, 2026

    66.2 °F

  • Average August

    77.3 °F

  • Highest 13 August, 2026

    95 °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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