Half Moon Bay State Beach Weather Forecast
- 59
- 68
Cloudy
- 59
- 71
Mostly Cloudy
- 56
- 70
Mostly Cloudy
- 54
- 67
Mostly Cloudy
- 53
- 63
Mostly Cloudy
- 56
- 63
Cloudy
Today 12 Jul San Francisco Peninsula Coast
Mostly cloudy. Highs in the upper 60s. West Winds around 5 Mph.
Tonight 12 Jul San Francisco Peninsula Coast
Mostly cloudy. Isolated Showers after midnight. Lows in the upper 50s. West Winds around 5 Mph in the evening becoming light.
Half Moon Bay State Beach Temperature Statistics
July Temperature
Half Moon Bay Airport (4.3 miles)
Lowest 1 July, 2026
53.6 °FAverage July
56.4 °FHighest 2 July, 2026
62.6 °F
Climate (2021–2026)
Half Moon Bay Airport (4.3 miles)
Average Low 2021–2026
48.5 °FAverage 2021–2026
55 °FAverage High 2021–2026
61 °F