Arrowhead Lake Weather Forecast

    • 66
    • 99

    Slight Chance Thunderstorms

    • 66
    • 101

    Hot

    • 67
    • 103

    Hot

    • 64
    • 99

    Chance Thunderstorms

    • 61
    • 84

    Rain Showers Likely

    • 59
    • 76

    Rain Showers Likely

    • 59
    • 78

    Chance Thunderstorms

Today 26 Jul Dundy

Sunny. Near steady temperature in the upper 90s. Southeast Winds 10 to 15 Mph.

Tonight 26 Jul Dundy

Partly cloudy with slight chance of Thunderstorms this Evening, then clear after midnight. Lows in the mid 60s. East Winds 10 to 20 Mph. Chance of precipitation 20 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Arrowhead Lake Temperature Statistics

July Temperature

Imperial, Imperial Municipal Airport (24.2 miles)

  • Lowest 8 July, 2025

    57.7 °F
  • Average July

    77.4 °F
  • Highest 20 July, 2025

    100.7 °F

Climate (2020–Present)

Imperial, Imperial Municipal Airport (24.2 miles)

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  • Average Low 2020–2025

    38.1 °F
  • Average 2020–2025

    52.1 °F
  • Average High 2020–2025

    66.7 °F
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