Diamond Bar Weather Forecast

    • 57
    • 68

    Mostly Cloudy

    • 55
    • 66

    Patchy Fog

    • 53
    • 66

    Patchy Fog

    • 47
    • 64

    Partly Sunny

    • 48
    • 60

    Patchy Fog

    • 50
    • 62

    Partly Sunny

    • 50
    • 64

    Mostly Sunny

Today 30 Apr Ventura County Beaches

Mostly cloudy. Highs in the 60s. Southwest Winds near 15 Mph in the afternoon.

Tonight 30 Apr Ventura County Beaches

Low Clouds and fog. Lows in the lower to mid 50s.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Diamond Bar Temperature Statistics

April Temperature

Point Mugu, Naval Air Warfare Center (3.1 miles)

  • Lowest 3 April, 2025

    42.1 °F

  • Average April

    56.5 °F

  • Highest 5 April, 2025

    77 °F

Climate (2020–Present)

Point Mugu, Naval Air Warfare Center (3.1 miles)

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

  • Average Low 2020–2025

    52.2 °F

  • Average 2020–2025

    60.3 °F

  • Average High 2020–2025

    68.6 °F
Get WillyWeather+ to remove ads