Westborough Weather Forecast

    • 52
    • 65

    Rain

    • 51
    • 62

    Rain Showers

    • 49
    • 63

    Chance Rain

    • 50
    • 64

    Partly Sunny

    • 52
    • 65

    Partly Sunny

    • 51
    • 64

    Mostly Cloudy

Today 20 Apr San Francisco Bay Shoreline

Mostly cloudy. A chance of rain. Highs in the upper 60s. South Winds 10 to 20 Mph.

Tonight 20 Apr San Francisco Bay Shoreline

Rain. Lows in the mid 50s. Southwest Winds 10 to 20 Mph. Becoming south 5 to 10 Mph after midnight.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Westborough Temperature Statistics

April Temperature

San Francisco, San Francisco International Airport (5 miles)

  • Lowest 3 April, 2026

    46.7 °F

  • Average April

    59.9 °F

  • Highest 5 April, 2026

    81.6 °F

Climate (2021–Present)

San Francisco, San Francisco International Airport (5 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2021–2026

    52.5 °F

  • Average 2021–2026

    58.5 °F

  • Average High 2021–2026

    66.7 °F
Get WillyWeather+ to remove ads