San Gregorio State Beach Weather Forecast
- 48
- 67
Increasing Clouds
- 49
- 62
Mostly Cloudy
- 50
- 63
Mostly Sunny
- 55
- 69
Partly Sunny
- 56
- 73
Mostly Sunny
- 55
- 74
Mostly Sunny
- 54
- 72
Partly Sunny
Today 12 Mar San Francisco Peninsula Coast
Sunny. Highs in the lower to mid 70s. Northwest Winds 5 to 10 Mph.
Tonight 12 Mar San Francisco Peninsula Coast
Partly cloudy in the evening then becoming mostly cloudy. Lows near 50. Northwest Winds 5 to 10 Mph.
San Gregorio State Beach Temperature Statistics
March Temperature
Half Moon Bay Airport (14.3 miles)
Lowest 10 March, 2026
42.8 °FAverage March
56 °FHighest 7 March, 2026
73.4 °F
Climate (2021–Present)
Half Moon Bay Airport (14.3 miles)
Average Low 2021–2026
48.3 °FAverage 2021–2026
54.8 °FAverage High 2021–2026
60.7 °F