SLO County city breaks heat record set in 1997. How hot did it get?
San Luis Obispo broke a 28-year-old heat record Thursday morning, according to PG&E meteorologist John Lindsey.
The city hit 95 degrees, breaking its daily record of 92 degrees set on the same day in 1997, Lindsey said in a post on X.
Cal Poly, meanwhile, hit 100 degrees for a brief period at 11:54 a.m., Lindsey said.
The record came amid a heat advisory in effect in San Luis Obispo until Friday at 9 p.m., according to the National Weather Service.
Paso Robles and the rest of SLO County are under an extreme heat warning until Saturday at 9 p.m.
Temperatures were expected to drop to 85 degrees on Saturday, before cooling down next week, according to the Weather Service’s forecast
This story was originally published August 21, 2025 at 3:29 PM.