Jewell Weather Forecast
- 53
- 66
Mostly Cloudy
- 53
- 66
Mostly Cloudy
- 54
- 68
Partly Sunny
- 54
- 70
Partly Sunny
- 53
- 71
Mostly Sunny
- 53
- 72
Mostly Sunny
Today 31 Aug Marin Coastal Range
Mostly cloudy in the morning then becoming partly cloudy. Highs in the upper 60s. West Winds 5 to 15 Mph.
Tonight 31 Aug Marin Coastal Range
Mostly cloudy. Lows in the mid 50s. West Winds 10 to 15 Mph.
Jewell Temperature Statistics
August Temperature
Novato / Gnoss Field (12.4 miles)
Lowest 10 August, 2026
51.8 °FAverage August
66.1 °FHighest 2 August, 2026
98.6 °F
Climate (2021–2026)
Novato / Gnoss Field (12.4 miles)
Average Low 2021–2026
46.9 °FAverage 2021–2026
57.8 °FAverage High 2021–2026
72.5 °F