Westborough Weather Forecast

    • 51
    • 66

    Mostly Sunny

    • 52
    • 70

    Mostly Sunny

    • 49
    • 61

    Mostly Sunny

    • 50
    • 62

    Partly Sunny

    • 52
    • 62

    Mostly Cloudy

    • 51
    • 63

    Partly Sunny

Today 4 Jun San Francisco Bay Shoreline

Sunny. Highs in the mid 60s to upper 70s. West Winds 5 to 10 Mph increasing to 10 to 20 Mph in the afternoon.

Tonight 4 Jun San Francisco Bay Shoreline

Clear in the evening then becoming partly cloudy. Lows in the mid 50s. West Winds 10 to 20 Mph.

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Westborough Temperature Statistics

June Temperature

San Francisco, San Francisco International Airport (5 miles)

  • Lowest 1 June, 2026

    53.1 °F

  • Average June

    59.9 °F

  • Highest 1 June, 2026

    70 °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

    58.6 °F

  • Average High 2021–2026

    66.8 °F
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