Glendora Weather Forecast

    • 60
    • 82

    Mostly Sunny

    • 62
    • 87

    Becoming Sunny

    • 63
    • 94

    Mostly Sunny

    • 58
    • 84

    Partly Sunny

    • 57
    • 80

    Mostly Sunny

    • 57
    • 80

    Mostly Sunny

    • 57
    • 81

    Mostly Sunny

Today 9 May Los Angeles County San Gabriel Valley

Low Clouds and fog in the morning then sunny. Highs in the upper 70s to mid 80s.

Tonight 9 May Los Angeles County San Gabriel Valley

Mostly clear except for patchy low Clouds and fog after midnight. Lows in the upper 50s.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Glendora Temperature Statistics

May Temperature

Brackett Field Airport (5.6 miles)

  • Lowest 6 May, 2026

    51.8 °F

  • Average May

    65.3 °F

  • Highest 7 May, 2026

    80.6 °F

Climate (2021–Present)

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

    76 °F
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