San Francisco’s Dense Fog Advisory expired at 9 a.m. Tuesday. For the rest of the day, the National Weather Service forecasts sunny skies and a high near 69 for a point just north of the city. The advisory covered San Francisco until 9 a.m. The current point forecast calls for a high near 69.
The Dense Fog Advisory for San Francisco expired at 9 a.m. Tuesday, after warning that visibility could fall to one-quarter mile or less. Its precautions—slowing down, using headlights and leaving extra distance—applied during the advisory; travelers should check conditions before heading out. The NWS advisory lists the visibility threat and driving guidance.
Early-Week Warmth, Then A Gradual Cooldown
The warm spell continues Tuesday and Wednesday, with a cooler pattern developing Thursday and temperatures returning to near or slightly below normal Friday into the weekend. The National Weather Service says stronger onshore flow Thursday begins that transition.
The warm spell is most intense inland, where temperatures are expected to be hotter. San Francisco will be cooler than many interior communities: a National Weather Service point forecast just north of the city calls for a high near 69 Tuesday, while a regional Heat Advisory remains in effect through 10 p.m. Thursday for listed areas including the East Bay and San Francisco Bay shoreline, where maximum temperatures could reach the mid-90s to near 105. The San Francisco-area point forecast gives Tuesday’s high; the NWS advisory specifies its coverage, temperatures and end time. Elevated fire-weather conditions remain possible across higher terrain.
The heat is also raising fire-weather concerns inland. The National Weather Service says interior temperatures are running 10 to 20 degrees above normal through Thursday, with poor overnight humidity recovery in higher terrain; its forecast puts energy-release-component values, a measure of fuel dryness and fire potential, near records over the next seven days. Forecasters say elevated fire-weather conditions could linger even after the hottest spell eases.
Weekend Brings Stronger Winds And Cooler Air
The forecast turns cooler toward the weekend. Saturday is expected to be mostly sunny and breezy, with a high near 59; Sunday is forecast sunny, with a high near 60. The latest National Weather Service point forecast lists the weekend temperatures and conditions.
The latest outlook adds Tuesday morning’s fog concern and a sharper weekend cooldown. The extended forecast remains dry, while the National Weather Service says elevated fire-weather conditions will persist in the interior through Thursday and dry, gusty winds could raise concerns over the weekend. The NWS forecast discussion outlines the dry outlook and fire-weather timing.
Coastal Areas Face Additional Hazards
The National Weather Service's San Francisco office is also flagging coastal flooding concerns tied to high astronomical tides and thermal expansion through the week. People visiting waterfront parks, trails or low-lying shoreline areas should check conditions before heading out, especially as winds strengthen later in the week.
High tides are not the only shoreline concern: the National Weather Service also warns of hazardous beach conditions along the Pacific coast later this week into the weekend as a long-period swell arrives. That warning is separate from the coastal-flood advisory, which applies to bayshore locations along San Pablo Bay. Beachgoers should watch for waves reaching farther up the shore and avoid getting trapped near the waterline. The NWS forecast discussion flags the swell-related beach hazard.
For Tuesday, expect coastal fog early amid the early-week warm spell. Cooler conditions are expected toward the weekend.
