Westborough Weather Forecast

    • 48
    • 65

    Sunny

    • 48
    • 64

    Partly Sunny

    • 47
    • 63

    Partly Sunny

    • 46
    • 62

    Mostly Sunny

    • 46
    • 61

    Partly Sunny

    • 48
    • 59

    Mostly Cloudy

Today 16 Jan San Francisco Bay Shoreline

Sunny. Highs in the mid to upper 60s. Northeast Winds 5 to 10 Mph.

Tonight 16 Jan San Francisco Bay Shoreline

Mostly clear. Lows in the mid 40s. Northeast Winds 5 to 10 Mph.

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Westborough Temperature Statistics

January Temperature

San Francisco, San Francisco International Airport (5 miles)

  • Lowest 10 January, 2026

    41 °F

  • Average January

    52.8 °F

  • Highest 3 January, 2026

    63 °F

Climate (2021–Present)

San Francisco, San Francisco International Airport (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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