White Horse Weather Forecast

    • 64
    • 82

    Slight Chance Thunderstorms

    • 50
    • 74

    Mostly Sunny

    • 54
    • 75

    Mostly Sunny

    • 61
    • 80

    Mostly Sunny

    • 63
    • 83

    Partly Sunny

    • 61
    • 82

    Chance Rain Showers

Today 13 Sep Lancaster

Mostly cloudy with Showers likely with a slight chance of Thunderstorms this Morning, then mostly sunny this afternoon. Highs in the mid 80s. Northwest Winds 5 to 10 Mph. Chance of rain 70 percent.

Tonight 13 Sep Lancaster

Mostly clear in the Evening, then becoming partly cloudy. Humid with Lows in the mid 60s. West Winds around 5 Mph, becoming northwest 10 to 15 Mph after midnight.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

White Horse Temperature Statistics

September Temperature

Chester County Airport (7.5 miles)

  • Lowest 8 September, 2026

    54.9 °F

  • Average September

    72.4 °F

  • Highest 1 September, 2026

    87.3 °F

Climate (2021–2026)

Chester County Airport (7.5 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2021–2026

    45.9 °F

  • Average 2021–2026

    54.4 °F

  • Average High 2021–2026

    63 °F
Get WillyWeather+ to remove ads