Weather forecast San Francisco 18-12-2025

Weather Thursday 18 December temperature from 10 °C to 13 °C, cloud cover up to 100%, no precipitation, wind up to 2 m/s (gusts up to 3.5 m/s), air humidity from 76% to 98%, atmospheric pressure from 765 to 767 mm Hg, UV Index to 2.2 during the day. Forecast for the next days on the chart.