Arrowhead Lake Weather Forecast

    • 31
    • 40

    Partly Sunny

    • 21
    • 42

    Blizzard

    • 18
    • 23

    Blizzard

    • 13
    • 26

    Snow Likely

    • 13
    • 21

    Chance Snow

    • 13
    • 21

    Chance Snow

    • 16
    • 25

    Slight Chance Snow

Today 20 Apr Sun Valley Region

Sunny. Highs 61 to 71.

Tonight 20 Apr Sun Valley Region

Partly cloudy. Lows 35 to 43.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Arrowhead Lake Temperature Statistics

April Temperature

Hailey, Friedman Memorial Airport (19.3 miles)

  • Lowest 17 April, 2026

    21.2 °F

  • Average April

    46.6 °F

  • Highest 6 April, 2026

    71.6 °F

Climate (2021–Present)

Hailey, Friedman Memorial Airport (19.3 miles)

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  • Average Low 2021–2026

    34.7 °F

  • Average 2021–2026

    43 °F

  • Average High 2021–2026

    56.6 °F
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