Arco Weather Forecast

    • 50
    • 81

    Chance Rain Showers

    • 45
    • 71

    Rain Showers Likely

    • 38
    • 65

    Rain Showers Likely

    • 36
    • 53

    Rain/Snow Likely

    • 36
    • 53

    Rain Showers Likely

    • 37
    • 59

    Slight Chance Thunderstorms

Today 10 May Lost River Valleys

Mostly sunny. A slight chance of Showers and Thunderstorms in the afternoon. Windy. Some Thunderstorms may produce gusty Winds in the afternoon. Highs 74 to 84. South Winds around 10 Mph. Increasing to southwest 20 to 30 Mph in the afternoon.

Tonight 10 May Lost River Valleys

Mostly cloudy. A chance of rain Showers and a slight chance of Thunderstorms in the evening. Then a chance of rain Showers after midnight. Some Thunderstorms may produce gusty Winds in the evening. Lows 46 to 53. South Winds 10 to 20 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Arco Temperature Statistics

May Temperature

Hailey, Friedman Memorial Airport (51 miles)

  • Lowest 1 May, 2025

    35.6 °F

  • Average May

    48.9 °F

  • Highest 3 May, 2025

    73.4 °F

Climate (2020–Present)

Hailey, Friedman Memorial Airport (51 miles)

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  • Average Low 2020–2025

    33.8 °F

  • Average 2020–2025

    42.1 °F

  • Average High 2020–2025

    55.8 °F
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