Lake Arrowhead Weather Forecast

    • 52
    • 78

    Slight Chance Rain Showers

    • 65
    • 80

    Slight Chance Thunderstorms

    • 67
    • 91

    Slight Chance Thunderstorms

    • 67
    • 89

    Chance Thunderstorms

    • 70
    • 89

    Chance Thunderstorms

    • 62
    • 83

    Rain Showers Likely

Today 13 May Clinton

Sunny. Highs in the upper 70s. North Winds 5 to 10 Mph.

Tonight 13 May Clinton

Clear. Lows in the mid 50s. East Winds 5 to 10 Mph, becoming southeast after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Lake Arrowhead Temperature Statistics

May Temperature

Mosby Midwest National Air Center Airport (9.9 miles)

  • Lowest 1 May, 2026

    32 °F

  • Average May

    57.5 °F

  • Highest 4 May, 2026

    82.4 °F

Climate (2021–Present)

Mosby Midwest National Air Center Airport (9.9 miles)

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  • Average Low 2021–2026

    45.5 °F

  • Average 2021–2026

    56.3 °F

  • Average High 2021–2026

    66.8 °F
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