Muir Beach Weather Forecast
- 55
- 59
Mostly Cloudy
- 55
- 58
Mostly Cloudy
- 55
- 57
Mostly Cloudy
- 55
- 58
Mostly Cloudy
- 56
- 63
Mostly Cloudy
- 56
- 63
Mostly Cloudy
- 56
- 62
Mostly Cloudy
Today 14 Aug Coastal North Bay Including Point Reyes National Seashore
Partly cloudy. Highs in the lower 60s. West Winds 5 to 10 Mph.
Tonight 14 Aug Coastal North Bay Including Point Reyes National Seashore
Mostly cloudy. A slight chance of drizzle. Lows in the lower 50s. West Winds 5 to 10 Mph.
Muir Beach Temperature Statistics
August Temperature
Novato / Gnoss Field (19.3 miles)
Lowest 10 August, 2026
51.8 °FAverage August
66.3 °FHighest 2 August, 2026
98.6 °F
Climate (2021–2026)
Novato / Gnoss Field (19.3 miles)
Average Low 2021–2026
46.9 °FAverage 2021–2026
57.8 °FAverage High 2021–2026
72.5 °F