White Horse Weather Forecast

    • 68
    • 93

    Mostly Sunny

    • 70
    • 95

    Partly Sunny

    • 54
    • 92

    Rain Showers

    • 50
    • 68

    Chance Rain Showers

    • 51
    • 66

    Rain Showers Likely

    • 55
    • 69

    Rain Showers Likely

Today 18 May Lancaster

Sunny, hot with Highs in the mid 90s. South Winds 5 to 10 Mph.

Tonight 18 May Lancaster

Mostly clear in the Evening, then becoming partly cloudy. A 20 percent chance of Showers. Lows in the upper 60s. South Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

White Horse Temperature Statistics

May Temperature

Chester County Airport (7.5 miles)

  • Lowest 1 May, 2026

    36.7 °F

  • Average May

    56.5 °F

  • Highest 5 May, 2026

    78.4 °F

Climate (2021–Present)

Chester County Airport (7.5 miles)

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  • Average Low 2021–2026

    45.9 °F

  • Average 2021–2026

    54.4 °F

  • Average High 2021–2026

    63 °F
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