Hillsdale Weather Forecast
- 51
- 73
Mostly Sunny
- 52
- 73
Decreasing Clouds
- 51
- 68
Mostly Sunny
- 51
- 67
Partly Sunny
- 53
- 66
Mostly Cloudy
- 51
- 64
Partly Sunny
- 50
- 64
Partly Sunny
Today 24 Oct San Francisco Bay Shoreline
Sunny. Highs in the lower 70s. Northwest Winds 10 to 15 Mph.
Tonight 24 Oct San Francisco Bay Shoreline
Mostly clear. Lows in the lower 50s. South Winds up to 5 Mph late in the evening. Becoming light.
Hillsdale Temperature Statistics
October Temperature
San Carlos Airport (3.1 miles)
Lowest 11 October, 2026
48.2 °FAverage October
62 °FHighest 6 October, 2026
89.6 °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