Excelsior Weather Forecast

    • 47
    • 65

    Decreasing Clouds

    • 45
    • 63

    Mostly Sunny

    • 46
    • 63

    Partly Sunny

    • 48
    • 62

    Mostly Cloudy

    • 47
    • 60

    Patchy Fog

    • 46
    • 59

    Partly Sunny

Today 18 Jan San Francisco

Mostly cloudy in the morning then becoming partly cloudy. Highs in the lower to mid 60s. Northeast Winds 5 to 10 Mph.

Tonight 18 Jan San Francisco

Partly cloudy. Lows in the upper 40s. North Winds around 5 Mph.

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Excelsior Temperature Statistics

January Temperature

San Francisco, San Francisco International Airport (7.5 miles)

  • Lowest 10 January, 2026

    41 °F

  • Average January

    52.9 °F

  • Highest 16 January, 2026

    69.1 °F

Climate (2021–Present)

San Francisco, San Francisco International Airport (7.5 miles)

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  • Average Low 2021–2026

    52.4 °F

  • Average 2021–2026

    58.3 °F

  • Average High 2021–2026

    66.5 °F
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