Lancaster Weather Forecast

    • 66
    • 84

    Rain Showers Likely

    • 67
    • 83

    Chance Thunderstorms

    • 67
    • 83

    Rain Showers

    • 60
    • 82

    Slight Chance Thunderstorms

    • 66
    • 82

    Chance Rain Showers

    • 69
    • 87

    Chance Thunderstorms

    • 62
    • 82

    Slight Chance Thunderstorms

Today 11 Aug Fairfield

Mostly cloudy with Showers with Thunderstorms likely. Some Thunderstorms may produce damaging Winds, large Hail, and heavy rainfall. Highs in the lower 80s. Southwest Winds around 10 Mph with Gusts up to 20 Mph. Chance of rain 80 percent.

Tonight 11 Aug Fairfield

Showers likely with a chance of Thunderstorms this Evening, then Showers likely with a slight chance of Thunderstorms after midnight. Some Thunderstorms may produce heavy rainfall this evening. Some Thunderstorms may produce heavy rainfall after midnight. Lows in the mid 60s. Southwest Winds 5 to 10 Mph. Chance of rain 70 percent.

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Lancaster Temperature Statistics

August Temperature

Lancaster, Fairfield County Airport (4.3 miles)

  • Lowest 4 August, 2026

    54.6 °F

  • Average August

    74.9 °F

  • Highest 5 August, 2026

    88.6 °F

Climate (2021–2026)

Lancaster, Fairfield County Airport (4.3 miles)

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  • Average Low 2021–2026

    43.3 °F

  • Average 2021–2026

    54.2 °F

  • Average High 2021–2026

    65.1 °F
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