Montclair Business Weather Forecast

    • 52
    • 66

    Increasing Clouds

    • 53
    • 69

    Partly Sunny

    • 52
    • 66

    Partly Sunny

    • 57
    • 79

    Partly Sunny

    • 59
    • 79

    Slight Chance Rain

    • 62
    • 77

    Mostly Cloudy

Today 4 Sep San Francisco Bay Shoreline

Mostly cloudy in the morning then becoming sunny. Highs in the upper 60s to mid 70s. West Winds 5 to 10 Mph increasing to 10 to 20 Mph in the afternoon.

Tonight 4 Sep San Francisco Bay Shoreline

Mostly cloudy. Lows in the upper 50s. West Winds up to 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Montclair Business Temperature Statistics

September Temperature

Oakland, Metro Oakland International Airport (7.5 miles)

  • Lowest 2 September, 2026

    59 °F

  • Average September

    66.5 °F

  • Highest 1 September, 2026

    72.6 °F

Climate (2021–2026)

Oakland, Metro Oakland International Airport (7.5 miles)

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  • Average Low 2021–2026

    51.1 °F

  • Average 2021–2026

    58.9 °F

  • Average High 2021–2026

    67.2 °F
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