Excelsior Weather Forecast

    • 64
    • 87

    Partly Sunny

    • 60
    • 76

    Partly Sunny

    • 58
    • 70

    Partly Sunny

    • 57
    • 68

    Mostly Sunny

    • 57
    • 70

    Mostly Sunny

    • 57
    • 70

    Partly Sunny

Today 9 Sep San Francisco

Partly cloudy in the morning then becoming sunny. Highs in the upper 70s to lower 90s. Northeast Winds up to 5 Mph increasing to west 10 to 15 Mph in the afternoon.

Tonight 9 Sep San Francisco

Partly cloudy. Lows in the mid 60s. West Winds 10 to 15 Mph. Becoming southwest around 5 Mph after midnight.

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Excelsior Temperature Statistics

September Temperature

San Francisco, San Francisco International Airport (7.5 miles)

  • Lowest 4 September, 2026

    58.6 °F

  • Average September

    66.2 °F

  • Highest 5 September, 2026

    74.6 °F

Climate (2021–2026)

San Francisco, San Francisco International Airport (7.5 miles)

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  • Average Low 2021–2026

    52.5 °F

  • Average 2021–2026

    58.7 °F

  • Average High 2021–2026

    66.8 °F
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