St Charles Weather Forecast

    • 64
    • 84

    Mostly Sunny

    • 66
    • 86

    Mostly Sunny

    • 65
    • 84

    Rain Showers

    • 61
    • 76

    Rain Showers Likely

    • 62
    • 79

    Mostly Sunny

    • 62
    • 81

    Mostly Sunny

    • 65
    • 82

    Mostly Sunny

Today 28 Jul Winona

Mostly sunny. Highs in the mid 80s. North Winds around 5 Mph.

Tonight 28 Jul Winona

Mostly clear. Lows in the mid 60s. East Winds around 5 Mph, becoming south after midnight.

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St Charles Temperature Statistics

July Temperature

Winona, Winona Municipal Airport-Max Conrad Field (19.3 miles)

  • Lowest 23 July, 2026

    50 °F

  • Average July

    75 °F

  • Highest 26 July, 2026

    93.2 °F

Climate (2021–2026)

Winona, Winona Municipal Airport-Max Conrad Field (19.3 miles)

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  • Average Low 2021–2026

    39.3 °F

  • Average 2021–2026

    48.4 °F

  • Average High 2021–2026

    57.6 °F
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