Westborough Weather Forecast
- 51
- 60
Mostly Cloudy
- 53
- 63
Partly Sunny
- 53
- 63
Partly Sunny
- 53
- 63
Partly Sunny
- 53
- 67
Partly Sunny
- 53
- 65
Partly Sunny
- 53
- 65
Mostly Sunny
Today 6 Jul San Francisco Bay Shoreline
Sunny. Highs in the 60s to upper 70s. West Winds 10 to 20 Mph.
Tonight 6 Jul San Francisco Bay Shoreline
Mostly clear in the evening then becoming mostly cloudy. Lows in the mid 50s. West Winds 5 to 15 Mph.
Westborough Temperature Statistics
July Temperature
San Francisco, San Francisco International Airport (5 miles)
Lowest 1 July, 2025
53.1 °FAverage July
59 °FHighest 1 July, 2025
66 °F
Climate (2020–Present)
San Francisco, San Francisco International Airport (5 miles)
Average Low 2020–2025
52.2 °FAverage 2020–2025
58.3 °FAverage High 2020–2025
66.7 °F