Forest Hill Weather Forecast

    • 57
    • 67

    Increasing Clouds

    • 57
    • 68

    Mostly Cloudy

    • 57
    • 63

    Mostly Cloudy

    • 57
    • 65

    Mostly Cloudy

    • 57
    • 68

    Partly Sunny

    • 59
    • 77

    Partly Sunny

    • 59
    • 77

    Partly Sunny

Today 18 Sep San Francisco

Mostly cloudy in the morning then becoming partly cloudy. Highs in the 60s to mid 70s.

Tonight 18 Sep San Francisco

Partly cloudy in the evening then becoming mostly cloudy. Lows in the upper 50s. West Winds 10 to 20 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Forest Hill Temperature Statistics

September Temperature

San Francisco, San Francisco International Airport (9.9 miles)

  • Lowest 7 September, 2026

    56.6 °F

  • Average September

    68.2 °F

  • Highest 9 September, 2026

    94.6 °F

Climate (2021–2026)

San Francisco, San Francisco International Airport (9.9 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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