Spring Grove Weather Forecast

    • 63
    • 83

    Slight Chance Thunderstorms

    • 62
    • 84

    Partly Sunny

    • 61
    • 82

    Chance Rain Showers

    • 59
    • 77

    Chance Thunderstorms

    • 55
    • 72

    Chance Rain Showers

    • 54
    • 70

    Slight Chance Thunderstorms

Today 15 Sep Houston

Partly sunny with a slight chance of Showers in the Morning, then mostly cloudy with a chance of Showers with a slight chance of Thunderstorms in the afternoon. Humid with Highs in the mid 80s. Southeast Winds 5 to 10 Mph. Chance of rain 30 percent.

Tonight 15 Sep Houston

Mostly cloudy. Lows in the mid 60s. Light Winds.

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Spring Grove Temperature Statistics

September Temperature

Decorah (19.3 miles)

  • Lowest 4 September, 2025

    41 °F

  • Average September

    59.8 °F

  • Highest 12 September, 2025

    82.4 °F

Climate (2020–Present)

Decorah (19.3 miles)

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  • Average Low 2020–2025

    39.2 °F

  • Average 2020–2025

    47.9 °F

  • Average High 2020–2025

    56.4 °F
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