Westborough Weather Forecast

    • 51
    • 62

    Increasing Clouds

    • 52
    • 62

    Mostly Cloudy

    • 53
    • 64

    Mostly Cloudy

    • 52
    • 63

    Mostly Cloudy

    • 52
    • 63

    Mostly Sunny

    • 53
    • 70

    Mostly Sunny

Today 4 May San Francisco Bay Shoreline

Mostly cloudy. Highs in the mid 60s. West Winds 5 to 10 Mph.

Tonight 4 May San Francisco Bay Shoreline

Mostly cloudy. A chance of rain. Lows in the lower 50s. West Winds 5 to 15 Mph.

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Westborough Temperature Statistics

May Temperature

San Francisco, San Francisco International Airport (5 miles)

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  • Average May

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Climate (2021–Present)

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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