Jaars Weather Forecast

    • 50
    • 69

    Mostly Cloudy

    • 50
    • 68

    Mostly Cloudy

    • 51
    • 72

    Mostly Cloudy

    • 58
    • 76

    Chance Thunderstorms

    • 60
    • 76

    Chance Rain Showers

    • 58
    • 78

    Chance Rain Showers

Today 31 Oct Union

Partly sunny. Highs in the upper 60s. Northeast Winds 10 to 15 Mph.

Tonight 31 Oct Union

Mostly cloudy. Lows in the upper 40s. Northeast Winds 5 to 10 Mph.

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Jaars 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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