Seal Rock Weather Forecast
- 58
- 65
Mostly Cloudy
- 54
- 62
Mostly Cloudy
- 54
- 61
Mostly Cloudy
- 53
- 59
Partly Sunny
- 54
- 63
Partly Sunny
- 55
- 67
Partly Sunny
- 56
- 68
Partly Sunny
Today 24 Sep San Francisco Peninsula Coast
Mostly cloudy. Highs in the upper 60s to mid 70s. Northwest Winds around 10 Mph.
Tonight 24 Sep San Francisco Peninsula Coast
Mostly cloudy. Lows in the upper 50s. Northwest Winds 5 to 10 Mph.
Seal Rock Temperature Statistics
September Temperature
Half Moon Bay Airport (9.3 miles)
Lowest 8 September, 2026
50 °FAverage September
61.1 °FHighest 9 September, 2026
89.6 °F
Climate (2021–2026)
Half Moon Bay Airport (9.3 miles)
Average Low 2021–2026
48.8 °FAverage 2021–2026
55.2 °FAverage High 2021–2026
61.1 °F