Ketchum Weather Forecast

    • 52
    • 86

    Increasing Clouds

    • 45
    • 74

    Rain Showers

    • 41
    • 72

    Rain Showers Likely

    • 37
    • 72

    Mostly Sunny

    • 42
    • 76

    Chance Rain

    • 41
    • 77

    Slight Chance Thunderstorms

Today 27 Aug Sun Valley Region

Partly sunny. A slight chance of rain Showers in the morning. Then a slight chance of Showers and Thunderstorms in the afternoon. Some Thunderstorms may produce gusty Winds and heavy rainfall in the afternoon. Highs 77 to 86.

Tonight 27 Aug Sun Valley Region

Partly cloudy in the evening. Then mostly cloudy with a slight chance of rain Showers after midnight. Lows 50 to 60.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Ketchum Temperature Statistics

August Temperature

Hailey, Friedman Memorial Airport (12.4 miles)

  • Lowest 4 August, 2026

    46.4 °F

  • Average August

    66.9 °F

  • Highest 1 August, 2026

    93.2 °F

Climate (2021–2026)

Hailey, Friedman Memorial Airport (12.4 miles)

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  • Average Low 2021–2026

    34.8 °F

  • Average 2021–2026

    43.3 °F

  • Average High 2021–2026

    56.7 °F
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