Stadium Weather Guide

Petco Park Weather: San Diego Marine Layer, Bay Air

By Kevin Roth, sports meteorologist. Data-driven ballpark guide for DFS players and bettors.

Climate

Petco Park sits in downtown San Diego he bay. Summer weather is mild and dry: July averages around 76 degrees at San Diego Airport with typical summer humiditys. Marine layer cloud cover extends into afternoon on many days from May through August.

How wind plays here

Center field is to the northeast. Onshore southwest wind, the default afternoon pattern, blows out toward left-center. Wind at Petco is typically light, 6 to 12 mph. The marine-influenced air is dense and cool, which suppresses carry.

For DFS and bettors

Petco is one of the tougher home run environments in the majors because of dense marine air. Warm dry offshore-flow days in September and October are the only conditions that let the park play as a live-hitting environment.