Wednesday Weatherin San Diego, California
October 21, 2026
Extended OutlookWarm with a mix of sun and clouds
Expected high
75–84°
Expected low
60–66°
Rain risk
Low
10% of past years
Confidence: FairSlightly warmer than usual
What will it feel like?
Expect a warm day in San Diego. Rain looks unlikely.
What should I wear?
Shorts and short sleeves should be comfortable.
Good day for…
- BeachGreat
- Theme parkGreat
- Outdoor diningGreat
- HikingVery Good
- Outdoor eventGreat
What’s normal for this date?
- Typical high
- 76°
- Typical low
- 59°
- Rain chance
- 10%
This outlook: slightly warmer than usual.
Past weather on this date
- Last year (2025)75° / 56°
- 5-year average76° / 57°
- 10-year average76° / 58°
- Warmest in that span84° (2016)
- Coolest in that span52° (2021)
Details
- Sunrise6:57 AM
- Sunset6:08 PM
About this outlook
Based on long-range trends, recent patterns and historical weather. The exact weather this far ahead can't be known — this shows what's most likely.
Sources: Open-Meteo historical archive (ERA5), past 10 years · Recent observed weather patterns
Updated Tue, 06 Oct 2026 01:13:14 GMT