Big Island Weather Forecast

    • 71
    • 92

    Mostly Sunny

    • 72
    • 92

    Chance Rain Showers

    • 72
    • 87

    Rain Showers

    • 72
    • 86

    Rain Showers Likely

    • 73
    • 87

    Chance Thunderstorms

    • 74
    • 89

    Chance Thunderstorms

Today 31 Jul Chester

Sunny. Highs in the lower 90s. Northeast Winds around 5 Mph, becoming west in the afternoon.

Tonight 31 Jul Chester

Partly cloudy. Lows around 70. Southeast Winds around 5 Mph.

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  • Temperature Real-Time

Big Island Temperature Statistics

July Temperature

Lancaster County-mc Whirter Field (11.2 miles)

  • Lowest 23 July, 2026

    69.8 °F

  • Average July

    81 °F

  • Highest 3 July, 2026

    98.6 °F

Climate (2021–2026)

Lancaster County-mc Whirter Field (11.2 miles)

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  • Average Low 2021–2026

    52 °F

  • Average 2021–2026

    62.4 °F

  • Average High 2021–2026

    73.9 °F
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