Westborough Weather Forecast

    • 56
    • 64

    Mostly Cloudy

    • 55
    • 67

    Mostly Cloudy

    • 57
    • 71

    Mostly Cloudy

    • 56
    • 71

    Mostly Cloudy

    • 55
    • 66

    Mostly Cloudy

    • 55
    • 66

    Partly Sunny

    • 54
    • 66

    Partly Sunny

Today 19 Jul San Francisco Bay Shoreline

Mostly cloudy. Highs in the 70s. Northwest Winds 10 to 15 Mph.

Tonight 19 Jul San Francisco Bay Shoreline

Mostly cloudy. Lows in the upper 50s. Northwest Winds 10 to 15 Mph. Becoming west up to 5 Mph after midnight.

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Westborough Temperature Statistics

July Temperature

San Francisco, San Francisco International Airport (5 miles)

  • Lowest 11 July, 2026

    53.7 °F

  • Average July

    63.7 °F

  • Highest 14 July, 2026

    83.6 °F

Climate (2021–2026)

San Francisco, San Francisco International Airport (5 miles)

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  • Average Low 2021–2026

    52.5 °F

  • Average 2021–2026

    58.6 °F

  • Average High 2021–2026

    66.8 °F
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