weather in san francisco in march and april
San Francisco in March. San Francisco weather in March is pretty cold, especially at night time, with temperatures of 9.3Â° and 26.1Â° degrees, so don't forget to pack warm clothes with you. As there are on average 7 rainy days in San Francisco in March chances for rain are low but possible.
The month of April in South San Francisco experiences gradually decreasing cloud cover, with the percentage of time that the sky is overcast or mostly cloudy decreasing from 46% to 38%. The clearest day of the month is April 28, with clear, mostly clear, or partly cloudy conditions 62% of the time.