Arrowhead Lake Weather Forecast

    • 59
    • 88

    Mostly Sunny

    • 57
    • 86

    Rain Showers Likely

    • 52
    • 72

    Rain Showers Likely

    • 50
    • 73

    Chance Rain Showers

    • 51
    • 74

    Partly Sunny

    • 54
    • 77

    Partly Sunny

Today 15 Sep Dundy

Sunny. Highs in the upper 80s. Southwest Winds 5 to 10 Mph, becoming south around 15 Mph this afternoon.

Tonight 15 Sep Dundy

Mostly clear. Lows in the upper 50s. South Winds 5 to 15 Mph.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Arrowhead Lake Temperature Statistics

September Temperature

Imperial, Imperial Municipal Airport (24.2 miles)

  • Lowest 6 September, 2025

    41 °F

  • Average September

    67 °F

  • Highest 12 September, 2025

    93.9 °F

Climate (2020–Present)

Imperial, Imperial Municipal Airport (24.2 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2020–2025

    38.2 °F

  • Average 2020–2025

    52.2 °F

  • Average High 2020–2025

    66.7 °F
Get WillyWeather+ to remove ads