Grand Detour Weather Forecast

    • 64
    • 80

    Slight Chance Thunderstorms

    • 61
    • 84

    Slight Chance Thunderstorms

    • 58
    • 82

    Mostly Sunny

    • 58
    • 82

    Mostly Sunny

    • 65
    • 81

    Slight Chance Thunderstorms

    • 68
    • 85

    Slight Chance Thunderstorms

    • 66
    • 85

    Chance Rain Showers

Today 25 Aug Ogle

Partly cloudy. Near steady temperature in the upper 70s. South Winds 5 to 10 Mph.

Tonight 25 Aug Ogle

Mostly cloudy. A slight chance of Showers and Thunderstorms after midnight. Lows in the mid 60s. South Winds 5 to 10 Mph. Chance of precipitation 20 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Grand Detour Temperature Statistics

August Temperature

Sterling Rockfalls (16.8 miles)

  • Lowest 21 August, 2026

    57 °F

  • Average August

    72.7 °F

  • Highest 4 August, 2026

    84.9 °F

Climate (2021–2026)

Sterling Rockfalls (16.8 miles)

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  • Average Low 2021–2026

    42 °F

  • Average 2021–2026

    52.1 °F

  • Average High 2021–2026

    62.1 °F
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