San Francisco Bay - Castro Point Weather Forecast
- 56
- 60
Rain Likely
- 57
- 59
Rain
- 53
- 61
Mostly Cloudy
- 54
- 63
Mostly Cloudy
- 55
- 64
Mostly Cloudy
- 55
- 63
Mostly Cloudy
- 53
- 61
Mostly Cloudy
Today 23 Feb San Francisco Bay Shoreline
Partly cloudy late in the morning then becoming mostly cloudy. Highs in the mid 60s to lower 70s. Light Winds.
Tonight 23 Feb San Francisco Bay Shoreline
Mostly cloudy. A chance of rain. Lows in the mid 50s. West Winds around 5 Mph. Becoming southeast after midnight.
San Francisco Bay - Castro Point Temperature Statistics
February Temperature
Novato / Gnoss Field (16.2 miles)
Lowest 18 February, 2026
35.6 °FAverage February
52 °FHighest 2 February, 2026
75.2 °F
Climate (2021–Present)
Novato / Gnoss Field (16.2 miles)
Average Low 2021–2026
46.4 °FAverage 2021–2026
57.5 °FAverage High 2021–2026
72.3 °F