Westborough Weather Forecast

    • 48
    • 60

    Rain Showers

    • 49
    • 62

    Mostly Sunny

    • 50
    • 62

    Partly Sunny

    • 48
    • 63

    Partly Sunny

    • 49
    • 65

    Sunny

    • 49
    • 68

    Mostly Sunny

    • 50
    • 67

    Partly Sunny

Today 12 Apr San Francisco Bay Shoreline

Showers likely and a slight chance of Thunderstorms. Highs in the lower 60s. Southwest Winds 10 to 20 Mph.

Tonight 12 Apr San Francisco Bay Shoreline

Partly cloudy. A slight chance of Showers in the evening. A chance of Showers after midnight. Lows in the upper 40s. West Winds 10 to 15 Mph. Becoming south up to 5 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

    61.1 °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