Arrowhead Lake Weather Forecast

    • 31
    • 50

    Slight Chance Rain

    • 41
    • 74

    Chance Thunderstorms

    • 43
    • 75

    Partly Sunny

    • 40
    • 81

    Mostly Sunny

    • 43
    • 74

    Mostly Sunny

    • 48
    • 91

    Sunny

    • 47
    • 87

    Mostly Sunny

Today 6 May Dundy

Mostly cloudy with a 40 percent chance of rain. Near steady temperature in the upper 40s. West Winds around 5 Mph.

Tonight 6 May Dundy

Clear. Lows in the lower 30s. Southwest Winds 10 to 15 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Arrowhead Lake Temperature Statistics

May Temperature

Imperial, Imperial Municipal Airport (24.2 miles)

  • Lowest 2 May, 2026

    30.7 °F

  • Average May

    55.3 °F

  • Highest 4 May, 2026

    80.1 °F

Climate (2021–Present)

Imperial, Imperial Municipal Airport (24.2 miles)

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  • Average Low 2021–2026

    38.7 °F

  • Average 2021–2026

    53 °F

  • Average High 2021–2026

    67.8 °F
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