Lancaster Weather Forecast

    • 44
    • 70

    Mostly Cloudy

    • 41
    • 63

    Partly Sunny

    • 55
    • 71

    Chance Rain Showers

    • 61
    • 83

    Chance Thunderstorms

    • 65
    • 87

    Slight Chance Thunderstorms

    • 69
    • 91

    Partly Sunny

Today 13 May Fairfield

Partly cloudy. Highs in the upper 60s. Northwest Winds 15 to 20 Mph with Gusts up to 30 Mph.

Tonight 13 May Fairfield

Partly cloudy in the Evening, then becoming mostly cloudy. Cooler with Lows in the mid 40s. Northwest Winds 15 to 20 Mph with Gusts up to 30 Mph, Diminishing to 5 to 10 Mph with Gusts up to 20 Mph after midnight.

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Lancaster Temperature Statistics

May Temperature

Lancaster, Fairfield County Airport (4.3 miles)

  • Lowest 3 May, 2026

    29.6 °F

  • Average May

    53 °F

  • Highest 4 May, 2026

    73.7 °F

Climate (2021–Present)

Lancaster, Fairfield County Airport (4.3 miles)

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  • Average Low 2021–2026

    43.3 °F

  • Average 2021–2026

    54.1 °F

  • Average High 2021–2026

    65.1 °F
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