Dunes Beach Weather Forecast
- 44
- 62
Decreasing Clouds
- 45
- 62
Dense Fog
- 46
- 61
Areas Fog
- 47
- 64
Mostly Sunny
- 47
- 66
Mostly Sunny
- 46
- 65
Mostly Sunny
- 47
- 64
Partly Sunny
Today 7 Dec San Francisco Peninsula Coast
Partly cloudy. Highs in the lower 60s. North Winds 5 to 10 Mph.
Tonight 7 Dec San Francisco Peninsula Coast
Mostly clear except patchy fog in the evening. Areas of fog after midnight. Lows in the 40s. North Winds around 5 Mph.
Dunes Beach Temperature Statistics
December Temperature
Half Moon Bay Airport (3.1 miles)
Lowest 1 December, 2025
41 °FAverage December
52.4 °FHighest 2 December, 2025
66.2 °F
Climate (2020–Present)
Half Moon Bay Airport (3.1 miles)
Average Low 2020–2025
48 °FAverage 2020–2025
54.5 °FAverage High 2020–2025
60.4 °F