Northern California Weather: Warm Temperatures Continue, Cooler Air on the Horizon

Updated: 7:33 PM PDT Mar 22, 2026

Northern California is experiencing an extended period of warm weather, with temperatures challenging daily record highs. While the heat will ease slightly on Monday, the valley can expect continued warmth through Wednesday. A shift in the weather pattern later this week will bring cooler air and the possibility of showers as April begins.

Monday’s Forecast

Monday will mark the ninth day this month with temperatures reaching 80 degrees or higher in the valley. Despite a slight cooling trend, most areas will remain a few degrees cooler than Sunday. Winds will be light and skies will be mostly sunny.

Streak of 80s Continues

The streak of 80-degree days is expected to continue through Wednesday afternoon as high pressure aloft regains some influence. However, the current daily record for Wednesday is unlikely to be broken.

Tracking Changes, Finally

Breezes are expected to return on Thursday, signaling a larger weather pattern shift towards the end of the month. This shift may set the stage for a few showers as the region transitions into April.

Foothills & Sierra 7-Day Forecast

The last weekend of March will still be warmer than normal, but conditions should remain pleasant, and comfortable.

Valley 7-Day Forecast

Temperatures will gradually cool throughout the week, with increasing cloud cover. However, the valley can still anticipate mid-70s temperatures by the weekend.