Lake Arrowhead Weather Forecast

    • 55
    • 81

    Increasing Clouds

    • 57
    • 80

    Partly Sunny

    • 61
    • 82

    Partly Sunny

    • 62
    • 82

    Rain Showers

    • 61
    • 81

    Chance Thunderstorms

    • 62
    • 79

    Chance Thunderstorms

Today 21 Apr Union

Sunny in the Morning, then becoming partly sunny. Highs in the lower 80s. Southwest Winds 5 to 10 Mph.

Tonight 21 Apr Union

Mostly clear. Lows in the upper 40s. Light and variable Winds.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Lake Arrowhead Temperature Statistics

April Temperature

Oxford, University-Oxford Airport (24.2 miles)

  • Lowest 6 April, 2026

    42.8 °F

  • Average April

    67.4 °F

  • Highest 3 April, 2026

    86 °F

Climate (2021–Present)

Oxford, University-Oxford Airport (24.2 miles)

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  • Average Low 2021–2026

    52.3 °F

  • Average 2021–2026

    62.3 °F

  • Average High 2021–2026

    73.6 °F
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