Lewiston Weather Forecast

    • 36
    • 61

    Partly Sunny

    • 33
    • 57

    Mostly Sunny

    • 45
    • 61

    Chance Rain Showers

    • 43
    • 66

    Chance Rain Showers

    • 45
    • 65

    Partly Sunny

Today 9 May Winona

Mostly cloudy with a slight chance of rain Showers this Morning, then mostly sunny this afternoon. Highs in the lower 60s. Northwest Winds 10 to 15 Mph. Chance of rain 20 percent.

Tonight 9 May Winona

Partly cloudy in the Evening, then becoming mostly clear. Lows in the upper 30s. Northwest Winds 10 to 15 Mph.

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Lewiston Temperature Statistics

May Temperature

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

  • Lowest 2 May, 2026

    30.2 °F
  • Average May

    49.9 °F
  • Highest 3 May, 2026

    69.8 °F

Climate (2021–Present)

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

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  • Average Low 2021–2026

    39.4 °F
  • Average 2021–2026

    48.4 °F
  • Average High 2021–2026

    57.6 °F
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