Año Nuevo Island Weather Forecast
- 60
- 68
Mostly Cloudy
- 60
- 65
Chance Rain Showers
- 60
- 66
Chance Rain Showers
- 60
- 66
Partly Sunny
- 61
- 67
Partly Sunny
- 61
- 67
Chance Rain Showers
Today 17 Sep San Francisco Peninsula Coast
Partly cloudy. Highs in the mid 70s. Northwest Winds 5 to 10 Mph.
Tonight 17 Sep San Francisco Peninsula Coast
Mostly cloudy. Lows in the upper 50s. West Winds around 5 Mph.
Año Nuevo Island Temperature Statistics
September Temperature
Palo Alto Airport (27.3 miles)
Lowest 1 September, 2025
57.2 °FAverage September
69.6 °FHighest 15 September, 2025
84.2 °F
Climate (2020–Present)
Palo Alto Airport (27.3 miles)
Average Low 2020–2025
50.9 °FAverage 2020–2025
60.5 °FAverage High 2020–2025
67.2 °F