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Get the monthly weather forecast for South San Francisco, CA, including daily high/low, historical averages, to help you plan ahead.
Rain Or Shine, It's Playtime. Be prepared with the most accurate 10-day forecast for South San Francisco, CA with highs, lows, chance of precipitation from The Weather Channel and...
Forecasted weather conditions the coming 2 weeks for South San Francisco.
Today. 22°. 11°. Sunny and a moderate breeze. Fri 25th. 22°. 10°. Sat 26th.
Be prepared with the most accurate 10-day forecast for South San Francisco, CA, United States with highs, lows, chance of precipitation from The Weather Channel and Weather.com.
South San Francisco Extended Forecast with high and low temperatures. °F. Last 2 weeks of weather. See weather overview.
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In South San Francisco during December average daily high temperatures decrease from 59°F to 55°F and the fraction of time spent overcast or mostly cloudy increases from 49% to 53%.