Westborough Weather Forecast
- 48
- 60
Rain Showers
- 49
- 62
Mostly Sunny
- 49
- 61
Partly Sunny
- 48
- 63
Partly Sunny
- 49
- 65
Sunny
- 49
- 68
Mostly Sunny
Today 12 Apr San Francisco Bay Shoreline
Showers likely in the morning. A chance of Thunderstorms. Highs in the lower 60s. Southwest Winds 10 to 20 Mph.
Tonight 12 Apr San Francisco Bay Shoreline
Mostly cloudy in the evening then becoming partly cloudy. Lows in the upper 40s. Southwest Winds 10 to 20 Mph in the evening. Becoming light.
Westborough Temperature Statistics
April Temperature
San Francisco, San Francisco International Airport (5 miles)
Lowest 3 April, 2026
46.7 °FAverage April
61.1 °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