With the Labor Day weekend arriving in lower than two weeks and with it the unofficial finish of summer season, the type of warmth that has gone principally lacking this yr within the Bay Space appeared ready to be blast the area.
But, even that warmth will not be anticipated to be as highly effective as initially anticipated.
“The heat is not going to be as severe as we thought it was going to be,” Nationwide Climate Service meteorologist Dylan Flynn mentioned Monday. “It’s not going to be extreme like it initially appeared it would be.”
It sounds a bit like an acceptable flip for for a summer season that has been delicate in temperatures and absent of long-term warmth waves.
This blast will ship temperatures into the mid-to higher 90s on Wednesday within the hottest locations after which to the higher 90s on Thursday. Some locations similar to Antioch in far east Contra Costa County, may creep previous 100 levels by a level or two, Flynn mentioned.
Within the South Bay, the most well liked day doubtless might be Friday, with Morgan Hill setting the tempo at 97, up 2-3 levels from Thursday.
These temperatures — whereas scorching to make sure — are down from unique forecast excessive of 107 that the climate service thought might scorch the area’s hottest locations.
That peak will final in the future, with the most well liked temperatures once more reverting to the mid-90s on Friday after which into the higher 80s and low 90s on Saturday. In that sense, this newest blast will mirror different heat-ups this season that haven’t lasted longer than a day or two.
“The peak for most of the places is going to be Thursday, but it’s going to be warmer than the average on Friday, too,” Flynn mentioned. “We’ll also get some light off-shore winds that we started seeing (Monday), and that trend will continue through the week.”
These winds goal towards the Pacific Ocean as an alternative of away from it and blow heat, including barely to the temperature hike however not including a lot to any hearth hazard, Flynn mentioned.
“The strength of the off-shore won’t be that high,” he mentioned. “There’s still a pretty shallow marine layer that’s an influence. So the off-shore (winds) will be more of a temperature-thing than a fire-weather thing.”
The hike within the temperatures has been brought on by a high-pressure ridge constructing over the southwestern desert. An analogous sample lifted temperatures earlier this month.
That ridge doesn’t seem like as long-lasting as forecasters initially thought it is perhaps; thus, the dearth of endurance for this warmth blast. So it’s that by Saturday, temperatures are anticipated to be heading again to the snug ranges which have marked the 2025 summer season.
“The weekend will be closer to what our average normally is this time of year,” Flynn mentioned. “Then as we get into next week, it’s going to be very comfortable again.”
Initially Printed: August 19, 2025 at 8:28 AM PDT
