Deadmans Lake Weather Forecast

    • 42
    • 64

    Mostly Sunny

    • 46
    • 73

    Sunny

    • 48
    • 77

    Sunny

    • 46
    • 76

    Sunny

    • 46
    • 75

    Sunny

    • 44
    • 74

    Sunny

Today 29 Sep San Bernardino County Mountains

Mostly sunny. Highs 59 to 69 above 6000 feet to 70 to 79 below 6000 feet. Areas of Winds north 20 to 30 Mph with Gusts to 45 Mph.

Tonight 29 Sep San Bernardino County Mountains

Clear. Lows 41 to 51 above 6000 feet to 49 to 59 below 6000 feet. Areas of Winds north 10 to 20 Mph. Gusts to 35 Mph becoming 30 Mph overnight.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Deadmans Lake Temperature Statistics

September Temperature

Big Bear City Airport (5 miles)

  • Lowest 19 September, 2026

    32.7 °F

  • Average September

    59.2 °F

  • Highest 10 September, 2026

    81.3 °F

Climate (2021–2026)

Big Bear City Airport (5 miles)

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

  • Average Low 2021–2026

    33.7 °F

  • Average 2021–2026

    48.8 °F

  • Average High 2021–2026

    60.4 °F
Get WillyWeather+ to remove ads