Monona Weather Forecast

    • 43
    • 61

    Increasing Clouds

    • 43
    • 59

    Mostly Cloudy

    • 47
    • 61

    Rain Showers Likely

    • 50
    • 69

    Mostly Cloudy

    • 52
    • 76

    Mostly Sunny

    • 55
    • 81

    Partly Sunny

    • 59
    • 83

    Slight Chance Thunderstorms

Today 20 May Clayton

Mostly sunny. Highs in the lower 60s. North Winds 5 to 10 Mph.

Tonight 20 May Clayton

Mostly cloudy. Lows in the lower 40s. East Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Monona Temperature Statistics

May Temperature

Prairie Du Chien Municipal Airport (13.7 miles)

  • Lowest 2 May, 2026

    31.1 °F

  • Average May

    57.1 °F

  • Highest 15 May, 2026

    84.4 °F

Climate (2021–Present)

Prairie Du Chien Municipal Airport (13.7 miles)

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  • Average Low 2021–2026

    40.5 °F

  • Average 2021–2026

    50 °F

  • Average High 2021–2026

    59.6 °F
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