Diamond Bar Weather Forecast

    • 52
    • 77

    Partly Sunny

    • 48
    • 65

    Increasing Clouds

    • 48
    • 65

    Patchy Fog

    • 48
    • 63

    Partly Sunny

    • 49
    • 66

    Partly Sunny

    • 48
    • 64

    Patchy Fog

    • 49
    • 61

    Partly Sunny

Today 27 Nov Ventura County Beaches

Mostly cloudy. Highs in the mid to upper 70s. Northeast Winds around 15 Mph in the morning.

Tonight 27 Nov Ventura County Beaches

Mostly cloudy in the evening then mostly clear. Lows in the upper 40s to mid 50s.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Diamond Bar Temperature Statistics

November Temperature

Point Mugu, Naval Air Warfare Center (3.1 miles)

  • Lowest 19 November, 2025

    44.1 °F

  • Average November

    58.5 °F

  • Highest 7 November, 2025

    73.9 °F

Climate (2020–Present)

Point Mugu, Naval Air Warfare Center (3.1 miles)

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  • Average Low 2020–2025

    52.1 °F

  • Average 2020–2025

    60.3 °F

  • Average High 2020–2025

    68.6 °F
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