Big Island Weather Forecast

    • 70
    • 93

    Becoming Sunny

    • 69
    • 90

    Slight Chance Thunderstorms

    • 71
    • 86

    Chance Thunderstorms

    • 73
    • 92

    Slight Chance Thunderstorms

    • 73
    • 95

    Slight Chance Thunderstorms

    • 72
    • 94

    Chance Thunderstorms

Today 4 Jul Chester

Mostly sunny. Highs in the lower 90s. Northeast Winds 5 to 10 Mph.

Tonight 4 Jul Chester

Mostly clear. Lows in the upper 60s. East Winds around 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Big Island Temperature Statistics

July Temperature

Lancaster County-mc Whirter Field (11.2 miles)

  • Lowest 1 July, 2025

    73.4 °F

  • Average July

    81.5 °F

  • Highest 1 July, 2025

    93.2 °F

Climate (2020–Present)

Lancaster County-mc Whirter Field (11.2 miles)

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  • Average Low 2020–2025

    52 °F

  • Average 2020–2025

    62.3 °F

  • Average High 2020–2025

    73.8 °F
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