Fontana Weather Forecast

    • 49
    • 71

    Becoming Sunny

    • 52
    • 76

    Rain Showers

    • 42
    • 63

    Chance Rain Showers

    • 45
    • 68

    Chance Rain Showers

    • 41
    • 62

    Partly Sunny

    • 38
    • 59

    Partly Sunny

    • 42
    • 60

    Partly Sunny

Today 18 Oct Lebanon

Mostly sunny. Near steady temperature around 70. South Winds 5 to 10 Mph.

Tonight 18 Oct Lebanon

Mostly clear this Evening, then becoming partly cloudy. Lows in the upper 40s. Southeast Winds around 5 Mph.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Fontana Temperature Statistics

October Temperature

Muir Army Air Field / Indiantown (11.2 miles)

  • Lowest 10 October, 2025

    34.7 °F

  • Average October

    59.3 °F

  • Highest 5 October, 2025

    83.3 °F

Climate (2020–Present)

Muir Army Air Field / Indiantown (11.2 miles)

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

  • Average Low 2020–2025

    45.7 °F

  • Average 2020–2025

    55.1 °F

  • Average High 2020–2025

    64.4 °F
Get WillyWeather+ to remove ads