Heat — Orange County Inland, California

2023-09-09 · Orange County Inland, California

Event narrative

Hot temperatures impacted inland Orange County on September 9, 2023. High temperatures reached the upper-80s to the upper-90s, with overnight lows falling into the upper-60s and 70s. Highs/Lows from September 9:

Yorba Linda: 98/74

Los Alamitos: 92/69

Fullerton: 96/72

Santa Ana: 94/72

Lake Forest: 94/74.

Wider weather episode

A short-duration heat wave impacted inland locations during the second weekend of September. The Coachella Valley saw readings up to 110-115 degrees on September 9, with lows only falling into the 90s. Elsewhere, the Inland Empire, the San Diego County Valleys and the High Desert saw highs in the upper-90s to low-100s each day.

Source: NOAA Storm Events Database, event_id 1139382. Narrative written by the NWS forecast office that issued the report.