San Diego Weather Forecast
San Diego weather: 75°F, clear sky. Hourly forecast, 14-day outlook, UV, air quality and the best time to visit.
Risk assessment for San Diego
Derived from the current forecast window - not an official warning.
Peak gusts of 12 mph and 0 thunderstorm days in the next 16 days.
Wettest single day forecast at 0,0 in, 0,0 in across the window. Flash flooding risk rises sharply above 50 mm in a day.
Active alerts for San Diego
Heat Advisory issued August 25 at 3:47AM PDT until August 28 at 8:00PM PDT by NWS San Diego CA
Issued by NWS San Diego CA
16-day forecast for San Diego
Daily highs and lows, precipitation and UV.
| Day | Conditions | High / Low | Precip | Wind | UV |
|---|---|---|---|---|---|
| Tue, Aug 25 | 🌤️ Mainly clear | 88° / 69° | 1% | 7 mph | 8 |
| Wed, Aug 26 | 🌥️ Fog | 76° / 67° | 3% | 9 mph | 8 |
| Thu, Aug 27 | ☁️ Overcast | 81° / 69° | 0% · 0,0 in | 9 mph | 8 |
| Fri, Aug 28 | ☁️ Overcast | 87° / 76° | 1% | 10 mph | 8 |
| Sat, Aug 29 | ☁️ Overcast | 84° / 75° | 1% | 11 mph | 8 |
| Sun, Aug 30 | ☀️ Clear sky | 80° / 74° | 0% | 10 mph | 8 |
| Mon, Aug 31 | ☀️ Clear sky | 80° / 73° | 2% | 10 mph | 8 |
| Tue, Sep 1 | ☁️ Overcast | 82° / 73° | 4% | 11 mph | 8 |
| Wed, Sep 2 | ☁️ Overcast | 84° / 75° | 2% | 12 mph | 8 |
| Thu, Sep 3 | 🌤️ Mainly clear | 82° / 75° | 1% | 10 mph | 8 |
| Fri, Sep 4 | ☀️ Clear sky | 80° / 74° | 2% | 9 mph | 8 |
| Sat, Sep 5 | ☁️ Overcast | 79° / 72° | 14% | 12 mph | 8 |
| Sun, Sep 6 | ☁️ Overcast | 74° / 71° | 13% | 9 mph | 6 |
| Mon, Sep 7 | ☁️ Overcast | 76° / 70° | 9% | 12 mph | 8 |
| Tue, Sep 8 | ☁️ Overcast | 74° / 69° | 10% | 11 mph | 7 |
| Wed, Sep 9 | 🌦️ Light drizzle | 72° / 68° | 6% · 0,0 in | 10 mph | 6 |
What this means for San Diego
Today is warmer than average for August. The forecast high of 88°F is 10.1°F above the 78°F typical for this month.
Rain is very unlikely today - plans do not need a backup.
No weather-related travel disruption is expected today. Roads and airports should run normally.
Northern Hemisphere, so peak summer falls in June to August.
The gap between the warmest and coldest month averages 47°F.
See the San Diego forecast by time range
San Diego weather - more answers
Explore San Diego
Every topic we hold for this place, and the same topic for the places around it.
Weather for related places
Frequently asked questions
Where is San Diego?
San Diego is a city in California. Its coordinates are 32.7157, -117.1611. It lies in North America.
What is the weather like in San Diego right now?
It is currently 75°F (24°C) with clear sky. Humidity is 84% and wind is 5 mph.
When is the best time to visit San Diego?
April, May, June, July, August, September and October offer the most comfortable conditions in San Diego, which has a Mediterranean climate. January, February and March are usually the hardest months for outdoor plans.
What time zone is San Diego in?
San Diego observes America/Los_Angeles (UTC-07:00). The local time is 10:42 AM.
How many people live in San Diego?
San Diego has a population of approximately 1.4 million.
What is the nearest airport to San Diego?
The closest airports are San Diego International Airport (SAN), 2 mi away, Los Angeles International Airport (LAX), 111 mi away and Harry Reid International Airport (LAS), 259 mi away.
What are the top things to do in San Diego?
Popular options include Coronado Beach, Anza-Borrego Desert State Park, Disneyland Resort, Joshua Tree National Park, Santa Monica State Beach and Hollywood Sign.
What places are in San Diego?
San Diego covers 2 places in this atlas, including San Diego International Airport and Coronado Beach.
Related articles
Data sources and methodology
| Place data | USPOTUS Atlas dataset (cities-us) - coordinates, hierarchy and facts. |
|---|---|
| Forecast and observations | Open-Meteo (ECMWF and national models). |
| Air quality and pollen | Copernicus CAMS via Open-Meteo. US AQI scale. |
| Climate averages | ERA5 reanalysis via the Open-Meteo archive, aggregated over 3 years. |
| Official alerts | US National Weather Service. |
| Method | Scores, comparisons and advice on this page are computed from the inputs above. Distances are straight-line. Nothing is estimated where data is missing - the block is simply not shown. |
Last updated August 25, 2026 at 10:42 AM local time. Live blocks refresh every 15 minutes; climate averages monthly.
