Hillsboro Weather Forecast

    • 50
    • 66

    Chance Rain Showers

    • 51
    • 70

    Slight Chance Thunderstorms

    • 52
    • 78

    Mostly Sunny

    • 58
    • 85

    Mostly Sunny

    • 59
    • 86

    Slight Chance Thunderstorms

    • 59
    • 85

    Chance Rain Showers

Today 22 May Vernon

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

Tonight 22 May Vernon

Mostly cloudy. Lows in the lower 50s. East Winds 10 to 15 Mph.

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Hillsboro Temperature Statistics

May Temperature

New Lisbon Mauston Airport (16.2 miles)

  • Lowest 7 May, 2026

    28.4 °F

  • Average May

    54.7 °F

  • Highest 16 May, 2026

    83.5 °F

Climate (2021–Present)

New Lisbon Mauston Airport (16.2 miles)

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  • Average Low 2021–2026

    37.7 °F

  • Average 2021–2026

    48 °F

  • Average High 2021–2026

    57.8 °F
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