Diamond Bar Weather Forecast

    • 50
    • 70

    Increasing Clouds

    • 53
    • 75

    Mostly Sunny

    • 49
    • 74

    Mostly Sunny

    • 47
    • 72

    Sunny

    • 50
    • 71

    Sunny

    • 51
    • 77

    Mostly Sunny

    • 52
    • 80

    Mostly Sunny

Today 2 Mar Los Angeles County San Gabriel Valley

Mostly cloudy in the morning then partly cloudy. Highs in the upper 60s to mid 70s. South Winds around 15 Mph in the afternoon.

Tonight 2 Mar Los Angeles County San Gabriel Valley

Clear. Lows in the lower 50s.

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Diamond Bar Temperature Statistics

March Temperature

Brackett Field Airport (4.3 miles)

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  • Average March

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Climate (2021–Present)

Brackett Field Airport (4.3 miles)

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  • Average Low 2021–2026

    55.7 °F

  • Average 2021–2026

    67.8 °F

  • Average High 2021–2026

    75.7 °F
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