Westborough Weather Forecast

    • 49
    • 57

    Rain Showers

    • 48
    • 58

    Chance Rain Showers

    • 45
    • 57

    Chance Rain Showers

    • 42
    • 55

    Mostly Sunny

    • 43
    • 56

    Mostly Sunny

    • 44
    • 58

    Partly Sunny

Today 5 Jan San Francisco Bay Shoreline

Mostly cloudy. A chance of rain. Highs in the upper 50s. Southeast Winds 10 to 20 Mph.

Tonight 5 Jan San Francisco Bay Shoreline

Mostly cloudy. A chance of rain. Lows in the upper 40s. Southeast Winds 5 to 15 Mph.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Westborough Temperature Statistics

January Temperature

San Francisco, San Francisco International Airport (5 miles)

  • Lowest 1 January, 2026

    51.1 °F

  • Average January

    55.8 °F

  • Highest 2 January, 2026

    62.1 °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

    52.4 °F

  • Average 2021–2026

    58.3 °F

  • Average High 2021–2026

    66.5 °F
Get WillyWeather+ to remove ads