Harman US

San Rafael, CA Weather & Growing Conditions

Today
83°F
Sunny
Sunny. High near 83, with temperatures falling to around 79 in the afternoon. Southwest wind around 6 mph.

7-day forecast

WhenTempForecastWindPrecip
Today 83°F Sunny 6 mph SW 0%
Tonight 56°F Partly Cloudy 0 to 3 mph WSW 0%
Sunday 73°F Mostly Cloudy 0 to 5 mph SSW 0%
Sunday Night 55°F Mostly Cloudy 3 mph WSW 0%
Monday 72°F Mostly Sunny 2 to 8 mph SW 1%
Monday Night 56°F Partly Cloudy 1 to 7 mph SW 1%
Tuesday 75°F Mostly Sunny 1 to 6 mph SW 0%
Tuesday Night 56°F Mostly Clear 0 to 5 mph SW 0%
Wednesday 88°F Patchy Fog then Sunny 2 mph W 0%
Wednesday Night 59°F Mostly Clear 2 mph NW 0%
Thursday 90°F Sunny 2 mph WSW 0%
Thursday Night 59°F Mostly Clear 2 mph SW 0%
Friday 83°F Mostly Sunny 0 to 6 mph SW 0%
Friday Night 58°F Mostly Clear 1 to 5 mph WSW 1%

Forecast source: National Weather Service (api.weather.gov). Updated through the day.

Growing snapshot for San Rafael, CA

Last spring frost
Jan 11
First fall frost
Dec 21
Growing season
349 days
Hardiness zone
10a

Explore more for San Rafael, CA: full frost dates · planting calendar · California frost dates

Climate data from the nearest NOAA station, San Rafael Civic Ctr, Ca (2.3 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.