Bel Marin Keys Weather Forecast
- 40
- 60
Partly Sunny
- 45
- 64
Increasing Clouds
- 40
- 64
Partly Sunny
- 42
- 62
Partly Sunny
- 42
- 61
Mostly Cloudy
- 42
- 63
Partly Sunny
- 43
- 64
Chance Rain
Today 10 Dec North Bay Interior Valleys
Mostly cloudy. Highs in the mid 50s to lower 60s. Northeast Winds 5 to 10 Mph. Becoming southwest in the afternoon.
Bel Marin Keys Temperature Statistics
December Temperature
Novato / Gnoss Field (4.3 miles)
Lowest 8 December, 2023
35.6 °FAverage December
52.7 °FHighest 3 December, 2023
66.2 °F
Climate (2018–Present)
Novato / Gnoss Field (4.3 miles)
Average Low 2018–2023
45.9 °FAverage 2018–2023
57.7 °FAverage High 2018–2023
72.7 °F