Lewiston Weather Forecast

    • 57
    • 65

    Chance Rain Showers

    • 55
    • 67

    Mostly Cloudy

    • 55
    • 63

    Chance Rain Showers

    • 54
    • 63

    Mostly Cloudy

    • 58
    • 67

    Rain Showers Likely

    • 57
    • 64

    Rain Showers

    • 54
    • 61

    Chance Rain Showers

Today 24 Sep Winona

Mostly sunny. Highs in the lower 60s.

Tonight 24 Sep Winona

Rain likely. Patchy fog this evening. Areas of fog after midnight. Lows in the upper 50s. Southeast Winds around 5 Mph. Chance of rain 70 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Lewiston Temperature Statistics

September Temperature

Winona, Winona Municipal Airport-Max Conrad Field (10.6 miles)

  • Lowest 14 September, 2026

    46.4 °F

  • Average September

    66.3 °F

  • Highest 4 September, 2026

    91.4 °F

Climate (2021–2026)

Winona, Winona Municipal Airport-Max Conrad Field (10.6 miles)

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  • Average Low 2021–2026

    39.4 °F

  • Average 2021–2026

    48.5 °F

  • Average High 2021–2026

    57.7 °F
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