San Diego Weather on Tuesday, October 20, 2026

What to wear and what to watch out for

• Mild weather: light clothing is enough.
• A good day for outdoor activities.

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• Catalina Island18° / 13°139 km
• Los Angeles27° / 16°179 km
• Las Vegas28° / 15°420 km
• Monterey20° / 10°611 km
• Yosemite National Park9° / 0°612 km
• San Francisco19° / 11°738 km
• El Paso29° / 15°1,009 km
• Jackson Hole16° / 6°1,320 km

Frequently asked questions

Will it rain in San Diego on Tuesday, October 20, 2026?

Most likely not: the chance of rain is 3%.

What will the temperature be in San Diego on Tuesday, October 20, 2026?

A high of 24°C and a low of 18°C are expected. Conditions: overcast.

What time are sunrise and sunset in San Diego on October 20, 2026?

Sunrise is at 06:56 and sunset at 18:09 (local time); day length 11 h 13 min.

How reliable is this forecast?

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