Westborough Weather Forecast
- 53
- 64
Increasing Clouds
- 53
- 62
Decreasing Clouds
- 52
- 60
Mostly Cloudy
- 54
- 64
Partly Sunny
- 53
- 66
Partly Sunny
- 53
- 65
Partly Sunny
- 53
- 66
Mostly Cloudy
Today 5 Jul San Francisco Bay Shoreline
Sunny. Highs in the 60s to upper 70s. West Winds 10 to 20 Mph.
Tonight 5 Jul San Francisco Bay Shoreline
Partly cloudy in the evening then becoming mostly cloudy. Lows in the upper 50s. West Winds 10 to 20 Mph. Becoming 5 to 10 Mph after midnight.
Westborough Temperature Statistics
July Temperature
San Francisco, San Francisco International Airport (5 miles)
Lowest 3 July, 2026
55 °FAverage July
63 °FHighest 1 July, 2026
71.7 °F
Climate (2021–2026)
San Francisco, San Francisco International Airport (5 miles)
Average Low 2021–2026
52.5 °FAverage 2021–2026
58.6 °FAverage High 2021–2026
66.8 °F