Westborough Weather Forecast
- 52
- 59
Rain Showers Likely
- 50
- 63
Mostly Sunny
- 50
- 68
Mostly Sunny
- 52
- 69
Partly Sunny
- 52
- 66
Partly Sunny
- 52
- 65
Mostly Cloudy
- 52
- 63
Partly Sunny
Today 22 Oct San Francisco Bay Shoreline
Showers likely. Highs in the 60s. Southeast Winds around 5 Mph increasing to west 10 to 20 Mph in the afternoon.
Tonight 22 Oct San Francisco Bay Shoreline
Mostly cloudy. A slight chance of Showers in the evening. Lows in the mid 50s. West Winds 10 to 20 Mph.
Westborough Temperature Statistics
October Temperature
San Francisco, San Francisco International Airport (5 miles)
Lowest 12 October, 2026
50.6 °FAverage October
65.9 °FHighest 3 October, 2026
90.6 °F
Climate (2021–2026)
San Francisco, San Francisco International Airport (5 miles)
Average Low 2021–2026
52.6 °FAverage 2021–2026
58.8 °FAverage High 2021–2026
66.9 °F