Arrowhead Lake Weather Forecast

    • 65
    • 95

    Decreasing Clouds

    • 66
    • 100

    Hot

    • 62
    • 94

    Rain Showers

    • 59
    • 79

    Rain Showers

    • 59
    • 78

    Rain Showers Likely

    • 59
    • 80

    Rain Showers Likely

Today 10 Aug Dundy

Partly cloudy. Slight chance of Thunderstorms this morning. Highs in the mid 90s. South Winds 5 to 10 Mph, becoming southeast this afternoon. Chance of precipitation 20 percent.

Tonight 10 Aug Dundy

Partly cloudy. Slight chance of Thunderstorms in the evening. Lows in the mid 60s. Southeast Winds 5 to 10 Mph, becoming west after midnight. Chance of precipitation 20 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Arrowhead Lake Temperature Statistics

August Temperature

Imperial, Imperial Municipal Airport (24.2 miles)

  • Lowest 4 August, 2026

    54.6 °F

  • Average August

    72.1 °F

  • Highest 3 August, 2026

    101.6 °F

Climate (2021–2026)

Imperial, Imperial Municipal Airport (24.2 miles)

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  • Average Low 2021–2026

    38.6 °F

  • Average 2021–2026

    52.8 °F

  • Average High 2021–2026

    67.7 °F
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