Big Island Weather Forecast

    • 57
    • 84

    Partly Sunny

    • 52
    • 71

    Mostly Cloudy

    • 52
    • 69

    Mostly Cloudy

    • 53
    • 71

    Partly Sunny

    • 58
    • 75

    Partly Sunny

    • 61
    • 76

    Chance Rain Showers

    • 56
    • 76

    Chance Rain Showers

Today 30 Oct Chester

Mostly sunny. Highs in the mid 70s.

Tonight 30 Oct Chester

Partly cloudy. Lows in the mid 50s. Light and variable Winds, becoming northeast 5 to 10 Mph after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Big Island Temperature Statistics

October Temperature

Lancaster County-mc Whirter Field (11.2 miles)

  • Lowest 20 October, 2026

    39.2 °F

  • Average October

    63.8 °F

  • Highest 2 October, 2026

    91.4 °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

    62.5 °F

  • Average High 2021–2026

    74 °F
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