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San Diego's Weather Forecast for Tuesday, September 19, 2023: Pleasant conditions before mid-week cooling

Posted at 6:42 AM, Sep 19, 2023

On Wednesday, a secondary trough dives south, ushering in cloudy, misty, and windy conditions. The strongest winds will target the mountains and deserts Wednesday and Thursday night, with isolated gusts peaking near 60mph. We'll have dense marine layer clouds extending inland, potentially causing shower and drizzle activity, which could saturate our roadways on Wednesday and Thursday mornings.

Temperatures remain cool through Friday, then on Saturday, for your first full day of Autumn, expect slight warming with daytime highs closer to seasonal.

The autumn equinox falls on Friday at 11:49 p.m.

Wednesday's Highs:
Coast: 69-74
Inland: 70-75
Mountains: 64-73
Deserts: 86-91

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