Glendora Weather Forecast

    • 63
    • 87

    Increasing Clouds

    • 61
    • 83

    Partly Sunny

    • 60
    • 84

    Mostly Sunny

    • 62
    • 86

    Mostly Sunny

    • 63
    • 88

    Mostly Sunny

    • 63
    • 89

    Partly Sunny

Today 12 Aug Los Angeles County San Gabriel Valley

Mostly cloudy. Highs in the mid to upper 80s. Southwest Winds around 15 Mph in the afternoon.

Tonight 12 Aug Los Angeles County San Gabriel Valley

Mostly cloudy. Lows in the lower to mid 60s. Southwest Winds around 15 Mph in the evening.

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Glendora Temperature Statistics

August Temperature

Brackett Field Airport (5.6 miles)

  • Lowest 4 August, 2026

    64.4 °F

  • Average August

    82.3 °F

  • Highest 8 August, 2026

    98.6 °F

Climate (2021–2026)

Brackett Field Airport (5.6 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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