Westborough Weather Forecast

    • 55
    • 66

    Increasing Clouds

    • 55
    • 64

    Mostly Cloudy

    • 56
    • 65

    Mostly Cloudy

    • 56
    • 65

    Mostly Cloudy

    • 56
    • 64

    Mostly Cloudy

    • 55
    • 64

    Mostly Cloudy

    • 55
    • 65

    Partly Sunny

Today 16 Aug San Francisco Bay Shoreline

Sunny. Highs in the 70s to lower 80s. Northwest Winds 10 to 20 Mph.

Tonight 16 Aug San Francisco Bay Shoreline

Partly cloudy in the evening then becoming mostly cloudy. Lows in the upper 50s. West Winds 10 to 15 Mph decreasing to up to 5 Mph after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Westborough Temperature Statistics

August Temperature

San Francisco, San Francisco International Airport (5 miles)

  • Lowest 3 August, 2026

    56.6 °F

  • Average August

    65.6 °F

  • Highest 2 August, 2026

    80.7 °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

    58.7 °F

  • Average High 2021–2026

    66.8 °F
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