Spring Grove Weather Forecast

    • 60
    • 82

    Slight Chance Thunderstorms

    • 54
    • 78

    Mostly Sunny

    • 55
    • 76

    Partly Sunny

    • 59
    • 76

    Partly Sunny

    • 62
    • 79

    Chance Rain Showers

    • 59
    • 80

    Mostly Sunny

Today 21 Aug Houston

Mostly sunny. A slight chance of Showers and Thunderstorms in the morning. Humid with Highs in the lower 80s. Southwest Winds 5 to 10 Mph, becoming northwest in the afternoon. Chance of rain 20 percent.

Tonight 21 Aug Houston

Partly cloudy in the Evening, then becoming mostly clear. Lows in the lower 60s. Northwest Winds 5 to 10 Mph.

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Spring Grove Temperature Statistics

August Temperature

Decorah (19.3 miles)

  • Lowest 17 August, 2026

    57.2 °F

  • Average August

    72.4 °F

  • Highest 12 August, 2026

    84.2 °F

Climate (2021–2026)

Decorah (19.3 miles)

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  • Average Low 2021–2026

    39 °F

  • Average 2021–2026

    47.7 °F

  • Average High 2021–2026

    56.3 °F
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