Historical weather data, all-time temperature records, and monthly climate averages for El Sobrante, CA. Explore typical weather conditions by week for trip planning, and see how today compares to the historical record.
April 5 in El Sobrante runs mild and mostly dry — 73 years of data put the average high at 66° with just a 1-in-4 chance of rain. The date has seen a 44-degree swing in extremes, from a balmy 83° in 1989 down to a chilly 39° low in 2010.
El Sobrante's weather has some real teeth at the edges — the all-time high hit 107° on September 14, 1971, while December 9, 1972 bottomed out at 24°. Rain events can be serious too, with a single January day in 1982 dropping 6.83 inches — and the town's snowiest moment on record was a mere 0.1 inch in April 1999.
El Sobrante stays remarkably mild year-round, with highs ranging from just 56° in early January up to 75° in late September. Summer arrives slowly and holds late, with July through October the best bet for warm, dry days. Winter is the wet season — pencil in mid-February as the rainiest stretch of the year.