Westborough Weather Forecast

    • 50
    • 61

    Increasing Clouds

    • 51
    • 65

    Mostly Sunny

    • 52
    • 67

    Mostly Sunny

    • 56
    • 77

    Mostly Sunny

    • 57
    • 79

    Mostly Sunny

    • 55
    • 76

    Mostly Sunny

Today 12 Oct San Francisco Bay Shoreline

Sunny. Highs near 70. Southeast Winds up to 5 Mph. Becoming northwest 5 to 15 Mph in the afternoon.

Tonight 12 Oct San Francisco Bay Shoreline

Mostly clear. Lows in the lower 50s. West Winds 10 to 15 Mph in the evening. Becoming light.

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Westborough Temperature Statistics

October Temperature

San Francisco, San Francisco International Airport (5 miles)

  • Lowest 1 October, 2026

    54.6 °F

  • Average October

    67.4 °F

  • Highest 3 October, 2026

    90.6 °F

Climate (2021–2026)

San Francisco, San Francisco International Airport (5 miles)

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  • Average Low 2021–2026

    52.6 °F

  • Average 2021–2026

    58.8 °F

  • Average High 2021–2026

    66.8 °F
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