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📍 Weather Radar - San Diego

San Diego Weather Forecast – Complete Guide to Weather Conditions in United States

Looking for accurate San Diego weather information? You’ve come to the right place! Our comprehensive San Diego weather forecast provides real-time meteorological data updated every 15 minutes, including current conditions, extended 16-day forecasts, hourly predictions, air quality monitoring, and UV index tracking. Whether you’re planning a trip, preparing for outdoor activities, or simply curious about the weather in San Diego, United States, this page delivers all the information you need.

Current Weather Conditions in San Diego

Right now, San Diego is experiencing Clear Sky conditions. The current temperature is 7°C (feels like 3°C), with today’s high reaching 21°C and a low of 7°C. Perfect conditions for outdoor activities with unlimited visibility and comfortable atmospheric pressure.

Current atmospheric conditions show relative humidity at 39%, barometric pressure at 1027 hPa, and winds blowing at 9 km/h. These conditions are typical for San Diego during the winter season.

San Diego 16-Day Weather Forecast

Our extended forecast for San Diego weather shows varied conditions over the next 16 days. Average high temperatures are expected around 21°C, with lows averaging 14°C. The forecast period anticipates approximately 0mm of precipitation across 0 days with measurable rainfall.

Here’s a quick overview of the upcoming weather in San Diego:

  • Saturday, Jan 10: Clear Sky, High 21°C / Low 7°C
  • Sunday, Jan 11: Clear Sky, High 24°C / Low 11°C
  • Monday, Jan 12: Overcast, High 22°C / Low 12°C
  • Tuesday, Jan 13: Mainly Clear, High 23°C / Low 15°C
  • Wednesday, Jan 14: Partly Cloudy, High 23°C / Low 17°C
  • Thursday, Jan 15: Clear Sky, High 23°C / Low 17°C
  • Friday, Jan 16: Overcast, High 24°C / Low 17°C

San Diego Air Quality Index (AQI)

The current San Diego air quality index stands at 47, classified as Good. Air quality is satisfactory, and air pollution poses little or no risk. Ideal conditions for all outdoor activities.

Key pollutant readings for San Diego include:

  • PM2.5 (Fine Particulate Matter): 7.8 µg/m³
  • PM10 (Coarse Particulate Matter): 8.6 µg/m³
  • O₃ (Ozone): 19 µg/m³

UV Index and Sun Protection in San Diego

Today’s maximum San Diego UV index is expected to reach 4, considered Moderate. Moderate UV exposure risk. Wear sunscreen SPF 30+, sunglasses, and seek shade during midday hours.

Sunrise in San Diego occurs at 6:51 AM, with sunset at 5:00 PM, providing approximately 10.2 hours of daylight. Plan outdoor activities during these hours while taking appropriate sun protection measures based on the UV forecast.

Geographic Information for San Diego

San Diego is located in United States at coordinates 32.7157° N, 117.1611° W, in the Northern Hemisphere. The city sits at an elevation of approximately 20 meters above sea level.

This geographic position influences San Diego’s climate patterns, contributing to its characteristic weather throughout the year. The latitude of 32.7157° affects day length variations and solar intensity across seasons, while the longitude of -117.1611° determines the local timezone and weather pattern timing.

San Diego Climate Overview

Understanding San Diego climate patterns helps visitors and residents plan activities throughout the year. The current winter season brings its typical weather characteristics to the region.

Weather patterns in San Diego are influenced by its geographic location in United States, altitude, proximity to bodies of water, and prevailing wind patterns. These factors combine to create the distinctive climate that residents and visitors experience.

Best Time to Visit San Diego

Planning a trip to San Diego? The best time to visit San Diego depends on your preferences and planned activities. Current conditions show 7°C with Clear Sky skies, which is suitable for prepared travelers.

Consider these factors when planning your visit:

  • Temperature preferences: Current highs around 21°C and lows near 7°C
  • Precipitation: 0 days with expected rainfall in the forecast period
  • UV exposure: UV index reaching 4 – Moderate level protection recommended
  • Air quality: Currently Good for outdoor activities

Weather-Based Activity Recommendations for San Diego

Current Clear Sky conditions in San Diego offer various activity options. Check hourly forecasts below to plan the best timing for your outdoor plans.

Frequently Asked Questions About San Diego Weather

What is the weather like in San Diego today?

Today in San Diego, expect Clear Sky conditions with a high of 21°C and a low of 7°C. The current temperature is 7°C with 39% humidity.

What is the UV index in San Diego?

The current UV index in San Diego is 4, classified as Moderate. Moderate UV exposure risk. Wear sunscreen SPF 30+, sunglasses, and seek shade during midday hours.

Is the air quality good in San Diego?

The current air quality index (AQI) in San Diego is 47, rated as Good. Air quality is satisfactory, and air pollution poses little or no risk. Ideal conditions for all outdoor activities.

What is the weather forecast for San Diego this week?

The 7-day forecast for San Diego shows average highs of 21°C and lows of 14°C, with 0 days of expected precipitation totaling 0mm.

Additional San Diego Weather Resources

This page provides comprehensive San Diego weather data sourced from multiple meteorological services and updated in real-time. For the most accurate forecasts, we utilize:

  • Open-Meteo API – High-resolution weather forecasting
  • Air Quality API – Real-time pollution monitoring
  • UV Index API – Solar radiation measurements
  • Precipitation Radar – Live weather tracking

Bookmark this page for instant access to San Diego weather forecast information whenever you need it. Data is refreshed every 15 minutes to ensure you always have the latest conditions.

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