San Geronimo Weather Forecast
- 48
- 70
Mostly Sunny
- 48
- 73
Mostly Sunny
- 49
- 69
Mostly Cloudy
- 52
- 73
Mostly Sunny
- 54
- 78
Mostly Cloudy
- 55
- 82
Partly Sunny
Today 11 Mar Marin Coastal Range
Sunny. Highs in the upper 60s. Northwest Winds 5 to 10 Mph.
Tonight 11 Mar Marin Coastal Range
Clear. Lows in the mid 40s. Northwest Winds 5 to 10 Mph.
San Geronimo Temperature Statistics
March Temperature
Novato / Gnoss Field (10.6 miles)
Lowest 9 March, 2026
46.4 °FAverage March
60.1 °FHighest 7 March, 2026
80.6 °F
Climate (2021–Present)
Novato / Gnoss Field (10.6 miles)
Average Low 2021–2026
46.5 °FAverage 2021–2026
57.5 °FAverage High 2021–2026
72.4 °F