Fall Scorcher: San Diego Temperatures to Spike Into the 90s

Temperatures are expected to reach the 90s along the coast and the mid-90s inland

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Just as San Diego was starting to get that fall feeling, a weather warm-up will take over to remind us of our 75-degrees-and-sunny motto.

A Santa Ana weather pattern warming San Diego will peak on Wednesday, NBC 7 Meteorologist Sheena Parveen said.

The most drastic temperature changes are expected along the coast and in the inland valleys, where temperatures will be 10 to 15 degrees above average for this time of year.

"It's going to be hotter [Wednesay] than it was [Tuesday], Parveen said. "So, we have a heat advisory for the coast and the inland valleys."

Temperatures are expected to reach the 90s along the coast and the mid-90s inland.

The heat advisory expires at 6 p.m.

NBC 7 Meteorologist Crystal Eggers explains the phenomenon behind Santa Ana Winds when they roll through San Diego County.

The warm-up will be paired with weak Santa Ana winds, which will bring northwesterly gusts in the 30-45 mph range. Relative humidity will be above 20%, so the chance of wildfires remains low.

Those looking for that fall weather may see some by the end of the week. An area of low pressure will bring cooler conditions and cloud cover. There may even be some rain over the weekend.

"Into the weekend, we have one weather system moving through," Parveen said. "Looking like a late chance of rain Saturday night, and then another chance very early Saturday morning."

The storm system will also cool temperatures by about 10 to 15 degrees from this week's peak.

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