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.
Westborough Temperature Statistics
April Temperature
San Francisco, San Francisco International Airport (5 miles)
Lowest 3 April, 2026
46.7 °FAverage April
59.9 °FHighest 5 April, 2026
81.6 °F
Climate (2021–Present)
San Francisco, San Francisco International Airport (5 miles)
Average Low 2021–2026
52.5 °FAverage 2021–2026
58.5 °FAverage High 2021–2026
66.7 °F