Lake Winona Weather Forecast

    • 77
    • 101

    Slight Chance Thunderstorms

    • 77
    • 100

    Hot

    • 77
    • 100

    Hot

    • 78
    • 100

    Hot

    • 78
    • 101

    Hot

    • 77
    • 100

    Hot

Today 22 Aug Grimes

Sunny. A slight chance of Showers and Thunderstorms this afternoon. Hot with Highs around 103. Southwest Winds around 5 Mph. Chance of rain 20 percent.

Tonight 22 Aug Grimes

Partly cloudy. A slight chance of Showers and Thunderstorms in the evening. Lows in the upper 70s. South Winds 5 to 10 Mph. Chance of rain 20 percent. Heat index Values up to 106 early in the evening.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Lake Winona Temperature Statistics

August Temperature

Houston, Hooks Memorial Airport (24.9 miles)

  • Lowest 17 August, 2026

    69.7 °F

  • Average August

    85.6 °F

  • Highest 20 August, 2026

    99 °F

Climate (2021–2026)

Houston, Hooks Memorial Airport (24.9 miles)

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  • Average Low 2021–2026

    61.5 °F

  • Average 2021–2026

    71.9 °F

  • Average High 2021–2026

    82.7 °F
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