Temperature Today in San Diego, CA: Real-Time Weather Forecast
Temperature today in San Diego, California delivers live current temperature observations, hourly forecast trendlines, and 7-day extended outlooks for San Diego residents and visitors.
Hourly Temperature Forecast (Next 24 Hours)
7-Day Extended Weather & Temperature Outlook
Current Weather Metrics & Atmospheric Conditions
Humidity is making the air feel substantially warmer than the actual temperature.
High moisture levels. Air feels muggy and dense.
Minimal sun protection needed. Safe for outdoor activities.
Gentle breeze. Calm conditions.
Low pressure system. Potential cloud cover or precipitation.
Visibility range: 12 km
What to Wear Today (66°) & Daily Comfort Guidance
Recommended Outfit
Light cotton shirt, denim or chinos, and a breathable light cardigan.
No Rain Gear Needed
Clear and dry atmospheric forecast. You can leave your umbrella and waterproof gear at home.
Fitness Outlook:
IdealComfortable conditions for outdoor running, cycling, and walking.
Temperature Today in San Diego, CA: Climate & Weather Profile
Detailed meteorological analysis, seasonal baselines, and diurnal patterns for residents and travelers in San Diego, California.
Atmospheric Dynamics & Microclimates
San Diego features an arid desert climate governed by intense solar irradiance, low relative humidity, and sweeping diurnal temperature swings often exceeding 25°F to 35°F between peak daytime afternoon heat and nocturnal cooling.
Regional Microclimate Note
Urban heat island effects are pronounced across San Diego's paved metropolitan core, while surrounding suburban valleys experience rapid radiative cooling under clear night skies.
Seasonal Norms
Geographical Positioning
Situated in the California arid basin at an elevation that exposes the region to rapid daytime thermal convection and negligible cloud cover throughout the majority of the year.
Clothing & Thermal Comfort Guide
Wear lightweight, breathable UV-protective fabrics with a wide-brim hat during daytime hours. In early mornings and late evenings, keep a light layer or fleece handy as desert air loses heat rapidly after sundown.
Other Major Cities in California
Frequently Asked Questions About San Diego Weather
Local answers regarding temperature trends, humidity, and forecast updates in San Diego, California.
The current temperature today in San Diego, California is updated live every 10 minutes using automated weather sensors and regional airport stations. You can toggle between Fahrenheit (°F) and Celsius (°C) using the unit selector at the top.
San Diego experiences a warm semi-arid mediterranean with year-round mild temperatures. Daily temperatures vary based on seasonal fronts, local elevation, and regional atmospheric currents across California. Check the 24-hour thermal graph above for immediate trends.
Apparent temperature ("feels like") in San Diego calculates the combined biological impact of air temperature, relative humidity, and surface wind speed. In warmer months, high humidity elevates the heat index; during cooler months, brisk winds accelerate skin heat loss (wind chill).
The interactive 24-hour bar and 7-day daily outlook above provide real-time precipitation probabilities, cloud cover percentages, UV index peaks, and expected day highs and night lows for San Diego.