Westborough Weather Forecast

    • 51
    • 65

    Mostly Sunny

    • 53
    • 68

    Mostly Sunny

    • 53
    • 71

    Mostly Sunny

    • 50
    • 68

    Partly Sunny

    • 51
    • 68

    Partly Sunny

    • 51
    • 72

    Mostly Cloudy

Today 22 Mar San Francisco Bay Shoreline

Sunny. Highs in the 70s. West Winds 5 to 10 Mph.

Tonight 22 Mar San Francisco Bay Shoreline

Mostly clear. Lows in the lower 50s. West Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Westborough Temperature Statistics

March Temperature

San Francisco, San Francisco International Airport (5 miles)

  • Lowest 5 March, 2026

    46.7 °F

  • Average March

    61.9 °F

  • Highest 20 March, 2026

    88 °F

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

    58.4 °F

  • Average High 2021–2026

    66.6 °F
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