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San Diego County Reaches 112 Degrees During Heat Wave

San Diego County Reaches 112 Degrees During Severe October Heat Wave Temperatures climbed to 100 degrees or higher in nearly 20 San Diego County communities on Friday, driven by a weeklong heat wave that forecasters predict will intensify…

San Diego County Reaches 112 Degrees During Heat Wave

San Diego County Reaches 112 Degrees During Severe October Heat Wave

Temperatures climbed to 100 degrees or higher in nearly 20 San Diego County communities on Friday, driven by a weeklong heat wave that forecasters predict will intensify on Saturday, according to the National Weather Service. Santee recorded the county’s highest temperature at 112 degrees, while coastal areas saw milder conditions with San Diego International Airport topping out at 94 degrees.

Record Highs Tied Across Multiple Communities

The relentless heat shattered or tied several local temperature records across the region. San Diego hit 94 degrees, tying a record set for October 2 in 1945, The San Diego Union-Tribune reported. Escondido reached 105 degrees, tying its previous record from 2020. Chula Vista climbed to 99 degrees, exceeding its 2014 record by five degrees, while Vista hit 100 degrees, surpassing its 2020 record by two degrees.

San Diego County Reaches 112 Degrees During Heat Wave

Interior Valleys Bear the Brunt of Extreme Temperatures

Inland regions experienced the most severe conditions, with multiple areas exceeding the 100-degree mark. Poway reached 107 degrees, San Pasqual Valley hit 106 degrees, and Brown Field and Escondido both recorded 105 degrees. San Marcos, Fallbrook, La Mesa, Miramar MCAS, and Rancho San Diego all reached 104 degrees. Lemon Grove, Rancho Bernardo, and Ocotillo Wells logged 103 degrees, while Montgomery Field hit 102 degrees. Valley Center and Ramona Airport both reached 101 degrees, and Borrego Springs, National City, and Vista tied at 100 degrees.

Cooler Coastal Conditions Offer Minor Relief

Coastal zones remained relatively cooler as the heat wave gripped the region. Alpine and Chula Vista both recorded 99 degrees. Oceanside Airport and San Diego International Airport each reached 94 degrees, while Carlsbad Airport hit 93 degrees. Encinitas recorded 91 degrees, and Coronado Island stayed the coolest in the county at 86 degrees.

Frequently Asked Questions About the San Diego Heat Wave

What caused the extreme October temperatures in San Diego County?

The National Weather Service reported that a weeklong heat wave is driving the high temperatures across the region, with conditions expected to worsen on Saturday.

San Diego County Reaches 112 Degrees During Heat Wave

Which San Diego community recorded the highest temperature on Friday?

Santee recorded the highest temperature in the county, reaching 112 degrees on Friday afternoon.

Did any coastal areas break temperature records during the heat wave?

Yes, Chula Vista reached 99 degrees, which was five degrees higher than its previous record set in 2014.

Extreme heat in San Diego County
About the author: Daniel Perez - News Editor

Former field producer and on‑air correspondent covering U.S. elections and Latin American politics. Daniel’s bilingual expertise powers our fast‑breaking coverage and live blogs. Daniel Perez anchors AchyNewsy.com’s real‑time news desk—breaking stories with accuracy, speed, and context.