Foster City Weather Forecast

    • 51
    • 65

    Increasing Clouds

    • 50
    • 62

    Cloudy

    • 48
    • 60

    Rain Likely

    • 44
    • 61

    Chance Rain

    • 45
    • 62

    Partly Sunny

    • 47
    • 61

    Chance Rain

Today 8 Feb San Francisco Bay Shoreline

Partly cloudy. Highs in the mid 60s. Light Winds. Becoming northwest 5 to 10 Mph in the afternoon.

Tonight 8 Feb San Francisco Bay Shoreline

Mostly cloudy. Patchy fog. Lows in the lower 50s. Northwest Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Foster City Temperature Statistics

February Temperature

San Carlos Airport (3.1 miles)

  • Lowest 1 February, 2026

    44.6 °F

  • Average February

    52.8 °F

  • Highest 4 February, 2026

    68 °F

Climate (2021–Present)

San Carlos Airport (3.1 miles)

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  • Average Low 2021–2026

    51.4 °F

  • Average 2021–2026

    56.7 °F

  • Average High 2021–2026

    68.1 °F
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