15-Day Weather Forecast - San Diego
15-day weather forecast for San Diego: temperatures from 20°C (68°F) to 29°C (84°F). Average daily high 26°C (79°F) over the next 15 days.
Hourly Forecast by Day
15-Day Temperature Trend
15-Day Weather Forecast
Updated just nowWeather Insight
San Diego's 15-day outlook ranges from a low of 20°C to a high of 29°C, with an average daytime high near 26°C. That's 3° below the long-term average high of 29°C for this time of year. Air quality is currently Moderate (AQI 58), driven mainly by PM2.5 at 12 μg/m³.
Today vs Normal
The long-term average high for today is 29°C.
18 of the last 28 days with published data ran above normal.
That's a break from the pattern - today's forecast runs below normal even though the recent stretch mostly ran above.
Red = above normal, blue = at or below · last 12 days
Air Quality
Air quality is acceptable for most people. Unusually sensitive individuals should consider reducing prolonged or heavy outdoor exertion.
Extended Outlook for San Diego
Over the next 15 days, San Diego is forecast to see temperatures ranging from 20°C to 29°C, averaging a daily high of 26°C. The extended outlook indicates predominantly dry and clear conditions throughout the period. Conditions are suitable for most outdoor activities; carry an umbrella on days with showers.