I remember when I was little and my family excitedly went to the marina green to watch the fireworks only to hear them explode behind a thick curtain of fog. We had a great time picnicking and with our sparklers anyway.
I hope that this year it is clear, windless and amazing! Click here for a list of some top picks for viewing.
And if you want to get out of the city itself, many municipalities around the bay have wonderful, old fashioned celebrations to attend. Notably, Sonoma and Calistoga.
Stay safe and enjoy the 4th!!