Ketchum Weather Forecast

    • 61
    • 84

    Becoming Sunny

    • 61
    • 86

    Partly Sunny

    • 63
    • 86

    Partly Sunny

    • 65
    • 86

    Mostly Cloudy

    • 66
    • 87

    Chance Rain Showers

    • 68
    • 91

    Slight Chance Thunderstorms

Today 22 Sep Craig

Sunny. Highs in the lower 80s. Northeast Winds 5 to 10 Mph.

Tonight 22 Sep Craig

Mostly clear in the Evening, then becoming partly cloudy. Lows in the upper 50s. Northeast Winds 5 to 10 Mph.

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  • Temperature Real-Time

Ketchum Temperature Statistics

September Temperature

Grove, Grove Municipal Airport (16.8 miles)

  • Lowest 11 September, 2026

    68 °F

  • Average September

    84.9 °F

  • Highest 5 September, 2026

    104 °F

Climate (2021–2026)

Grove, Grove Municipal Airport (16.8 miles)

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  • Average Low 2021–2026

    49.1 °F

  • Average 2021–2026

    60.4 °F

  • Average High 2021–2026

    72.1 °F
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