WWAI

San Diego Hourly Weather

United States · Thursday, March 12, 2026

AmericasMetricAmerica/Los_AngelesPop. 3.3M
Current Weather & ForecastUpdated 11:09:43 AM
☀️
14°C
Clear Sky
High30°C/Low14°C
Feels 13°C
84% Humidity
8 km/h N
☀️UV 0 (Low)
☁️4% Cloud
💧
Precipitation
0.0 mm
🌧️
Rain Chance
0%
💨
Max Wind
17 km/h
🌀
Wind Gust
13 km/h
🌅
Sunrise
07:02
🌇
Sunset
18:54
Today's Hourly Breakdown
Actual
Forecast
Now
Times in PDT
🌡️Temperature (°C)
🌧️Precipitation (mm) & Chance (%)
💨Wind Speed & Gusts (km/h)
💧Humidity & Cloud Cover (%)
☀️UV Index
Weather Details
☀️
Clear Sky
Current condition
UV Index
0
Low
☁️
Cloud Cover
4%
Mostly Clear
Wind Direction
N
11°
Wind Gust
13 km/h
Precipitation
0.0 mm
Max Wind Today
17 km/h
Sunrise
07:02 AM
Sunset
06:54 PM

Real-time Air Quality Index (AQI)

Live
waqi
San Diego, United States
Last Updated: 3/12/2026, 11:09:46 AM
52AQI (US)
Air Quality is
Moderate
PM2.5
52ug/m3
PM10
23ug/m3
Dominant: PM2.5
Station: San Diego - Sherman Elementary School, San Diego, California
☀️
14°C
Clear Sky
Humidity84 %
Wind Speed8 km/h
UV Index0
52
0-50
51-100
101-150
151-200
201-300
301-500+
Major Air Pollutants
PM2.5
52ug/m3
PM10
23ug/m3
O3
11.2ug/m3
NO2
64.3ug/m3
SO2
4.6ug/m3
CO
281ug/m3
Health Advice
Acceptable air quality. Unusually sensitive people should consider reducing prolonged outdoor exertion.
Data updated 11:09:46 AM · Source: waqi
Hourly Air Pollutants
µg/m³
Health Impact & Advice
🚬
2.4cigarettes / day
Breathing this air equals smoking 2.4 cigarettes daily
Weekly: 17 cigsMonthly: 71 cigs
Source: Berkeley Earth · Based on PM2.5 = 52 ug/m3
Protective MeasuresAQI 52
🏠
Air Purifier
Optional
😷
N95 Mask
Optional
🏡
Stay Indoor
Not Needed
🪟
Windows Closed
Optional
🏃
Outdoor Exercise
Not Needed
🚗
Car Cabin Filter
Optional
Health Risk Assessment
🫁
Asthma
Mild
Low risk for most people
❤️
Heart Issues
Low
Minimal risk
🤧
Allergies
Mild
Low allergy aggravation risk
😮‍💨
Respiratory
Mild
Normal breathing expected
👁️
Eye Irritation
Mild
Minor irritation possible
👶
Children & Elderly
Caution
Normal activities ok

San Diego Weather & Air Quality Overview

San Diego is a city in United States, located in the Northern Hemisphere at coordinates 32.72°N, 117.16°W. With a population of approximately 3.3 million, it is one of the notable urban centers in Americas. San Diego experiences a subtropical climate. This page provides real-time temperature, humidity, wind speed, UV index, air quality monitoring, and a detailed 10-day weather forecast for San Diego, United States.

Right now in San Diego, the temperature is 14°C (feels like 13°C) with clear sky. Humidity is at 84%. Winds are blowing at 8 km/h. Today's high is expected to reach 30°C and the low will be around 14°C.

The current Air Quality Index (AQI) in San Diego is 52, rated as Moderate. The dominant pollutant is PM2.5.

Hourly Weather in San Diego

Hour-by-hour conditions for San Diego help you plan your day. Temperature, rain chance, and wind for San Diego, United States are updated regularly.

  • Today's high in San Diego: 30°C
  • Humidity in San Diego: 84%
  • Current AQI in San Diego: 52 (Moderate)
  • Wind in San Diego: 8 km/h

Weather in San Diego and the San Diego forecast are updated every few minutes. For more cities, see our weather directory and global AQI map, or check city AQI rankings and weather guides.

Data updates every few minutes. Weather powered by Open-Meteo. Air quality from multiple monitoring networks.

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