Foster City Weather Forecast
- 52
- 68
Increasing Clouds
- 52
- 72
Mostly Sunny
- 52
- 72
Mostly Sunny
- 53
- 76
Mostly Sunny
- 55
- 74
Partly Sunny
- 54
- 72
Partly Sunny
- 55
- 73
Partly Sunny
Today 4 Nov San Francisco Bay Shoreline
Sunny. Highs in the upper 60s. Northwest Winds 10 to 20 Mph.
Tonight 4 Nov San Francisco Bay Shoreline
Mostly cloudy. Patchy fog after midnight. Lows in the lower 50s. Northwest Winds 10 to 20 Mph. Becoming north 5 to 10 Mph after midnight.
Foster City Temperature Statistics
November Temperature
San Carlos Airport (3.1 miles)
Lowest 2 November, 2026
48.2 °FAverage November
54.6 °FHighest 1 November, 2026
64.4 °F
Climate (2021–2026)
San Carlos Airport (3.1 miles)
Average Low 2021–2026
51.8 °FAverage 2021–2026
57 °FAverage High 2021–2026
68.3 °F