Westmont (Pomona) Weather Forecast

    • 62
    • 92

    Mostly Sunny

    • 64
    • 94

    Mostly Sunny

    • 63
    • 93

    Mostly Sunny

    • 63
    • 90

    Mostly Sunny

    • 63
    • 88

    Partly Sunny

    • 64
    • 88

    Partly Sunny

Today 7 Jul Los Angeles County San Gabriel Valley

Partly cloudy in the morning then sunny. Highs in the mid 80s to lower 90s.

Tonight 7 Jul Los Angeles County San Gabriel Valley

Mostly clear. Lows in the lower to mid 60s.

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Westmont (Pomona) Temperature Statistics

July Temperature

Brackett Field Airport (2.5 miles)

  • Lowest 3 July, 2026

    59 °F

  • Average July

    74.4 °F

  • Highest 3 July, 2026

    87.8 °F

Climate (2021–2026)

Brackett Field Airport (2.5 miles)

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  • Average Low 2021–2026

    56 °F

  • Average 2021–2026

    68 °F

  • Average High 2021–2026

    75.9 °F
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