Lancaster Weather Forecast

    • 63
    • 83

    Decreasing Clouds

    • 63
    • 86

    Partly Sunny

    • 63
    • 87

    Partly Sunny

    • 55
    • 83

    Slight Chance Thunderstorms

    • 52
    • 75

    Mostly Sunny

    • 48
    • 73

    Partly Sunny

Today 21 Aug Fairfield

Partly cloudy. Highs around 80. North Winds 5 to 10 Mph.

Tonight 21 Aug Fairfield

Partly cloudy. Lows in the mid 60s. Northeast Winds 5 to 10 Mph.

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Lancaster Temperature Statistics

August Temperature

Lancaster, Fairfield County Airport (4.3 miles)

  • Lowest 3 August, 2025

    52.6 °F

  • Average August

    74.6 °F

  • Highest 12 August, 2025

    93.7 °F

Climate (2020–Present)

Lancaster, Fairfield County Airport (4.3 miles)

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  • Average Low 2020–2025

    43.5 °F

  • Average 2020–2025

    54.1 °F

  • Average High 2020–2025

    64.9 °F
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