San Diego Weather on Wednesday, October 21, 2026

What to wear and what to watch out for

• Take an umbrella or a raincoat with you.
• Mild weather: light clothing is enough.

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• Catalina Island17° / 16°139 km
• Los Angeles24° / 19°179 km
• Las Vegas28° / 23°420 km
• Monterey17° / 12°611 km
• Yosemite National Park7° / -4°612 km
• San Francisco16° / 13°738 km
• El Paso30° / 21°1,009 km
• Jackson Hole17° / 7°1,320 km

Frequently asked questions

Will it rain in San Diego on Wednesday, October 21, 2026?

Yes, the chance of rain is 66%, with 14.1 mm of rain expected in total.

What will the temperature be in San Diego on Wednesday, October 21, 2026?

A high of 23°C and a low of 19°C are expected. Conditions: showers.

What time are sunrise and sunset in San Diego on October 21, 2026?

Sunrise is at 06:57 and sunset at 18:08 (local time); day length 11 h 11 min.

How reliable is this forecast?

Forecasts for the first 3 days are usually highly accurate; this page is updated about every 30 minutes.