Westborough Weather Forecast

    • 55
    • 73

    Mostly Sunny

    • 55
    • 73

    Partly Sunny

    • 57
    • 72

    Partly Sunny

    • 56
    • 71

    Partly Sunny

    • 56
    • 70

    Mostly Cloudy

    • 58
    • 72

    Partly Sunny

    • 58
    • 73

    Partly Sunny

Today 2 Aug San Francisco Bay Shoreline

Sunny. Highs in the 70s to upper 80s. West Winds 10 to 20 Mph.

Tonight 2 Aug San Francisco Bay Shoreline

Mostly clear. Lows in the upper 50s. West Winds 10 to 20 Mph. Becoming 5 to 10 Mph after midnight.

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Westborough Temperature Statistics

August Temperature

San Francisco, San Francisco International Airport (5 miles)

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  • Average August

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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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