Lewiston Weather Forecast

    • 65
    • 81

    Chance Thunderstorms

    • 65
    • 81

    Rain Showers Likely

    • 61
    • 81

    Slight Chance Rain Showers

    • 58
    • 75

    Mostly Cloudy

    • 59
    • 74

    Mostly Cloudy

    • 60
    • 73

    Chance Rain Showers

Today 10 Aug Winona

Mostly cloudy in the Morning, then becoming mostly sunny. Areas of fog in the morning. Humid with Highs in the lower 80s. Northeast Winds around 5 Mph.

Tonight 10 Aug Winona

Mostly cloudy. Patchy fog. Lows in the mid 60s. North Winds around 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Lewiston Temperature Statistics

August Temperature

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

  • Lowest 6 August, 2026

    51.8 °F

  • Average August

    70.4 °F

  • Highest 1 August, 2026

    86 °F

Climate (2021–2026)

Winona, Winona Municipal Airport-Max Conrad Field (10.6 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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