Arco Weather Forecast

    • 60
    • 89

    Mostly Sunny

    • 62
    • 91

    Slight Chance Thunderstorms

    • 60
    • 91

    Chance Thunderstorms

    • 61
    • 90

    Slight Chance Thunderstorms

    • 61
    • 89

    Partly Sunny

    • 60
    • 88

    Chance Rain

Today 15 Jul Lost River Valleys

Mostly sunny. Isolated rain Showers in the morning. Then isolated Showers and Thunderstorms in the afternoon. Highs 82 to 92. Light and variable Winds. Becoming southwest up to 10 Mph in the afternoon.

Tonight 15 Jul Lost River Valleys

Mostly clear. Isolated Showers and Thunderstorms in the evening. Lows 55 to 63. Northwest Winds up to 10 Mph in the evening. Becoming light and variable.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Arco Temperature Statistics

July Temperature

Hailey, Friedman Memorial Airport (51 miles)

  • Lowest 1 July, 2026

    46.4 °F

  • Average July

    65.6 °F

  • Highest 12 July, 2026

    95 °F

Climate (2021–2026)

Hailey, Friedman Memorial Airport (51 miles)

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  • Average Low 2021–2026

    34.7 °F

  • Average 2021–2026

    43.2 °F

  • Average High 2021–2026

    56.5 °F
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