Montclair Weather Forecast

    • 59
    • 83

    Increasing Clouds

    • 59
    • 72

    Chance Rain Showers

    • 58
    • 73

    Chance Rain Showers

    • 58
    • 74

    Partly Sunny

    • 60
    • 78

    Mostly Sunny

    • 61
    • 81

    Slight Chance Rain Showers

Today 17 Sep East Bay Hills

Sunny. Highs in the lower 90s. Northwest Winds 5 to 10 Mph.

Tonight 17 Sep East Bay Hills

Partly cloudy in the evening then becoming mostly cloudy. Lows in the mid 60s. West Winds 10 to 15 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Montclair Temperature Statistics

September Temperature

Oakland, Metro Oakland International Airport (7.5 miles)

  • Lowest 8 September, 2025

    57.9 °F

  • Average September

    65.5 °F

  • Highest 1 September, 2025

    78.1 °F

Climate (2020–Present)

Oakland, Metro Oakland International Airport (7.5 miles)

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  • Average Low 2020–2025

    51 °F

  • Average 2020–2025

    58.7 °F

  • Average High 2020–2025

    67.2 °F
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