5-day weather forecast San Diego 17-08-2026

Weather forecast San Diego today 17.08.2026: patchy rain possible, temperature from 12 °C to 28 °C.

Precipitation probability 32%. Wind up to 10.11 m/s (gusts 15.11 m/s). Air humidity 51–94%, atmospheric pressure 758–765 mm Hg, UV index up to 10.9.

Sunrise 06:13
Sunset 19:31
Waxing Crescent27% illuminated
Moonrise 11:30 · Moonset 22:20
Chart
Table
Mon, Aug 17, 2026

Forecast from 12 °C to 28 °C and precipitation

Temperature & Precipitation
Time00:0001:0002:0003:0004:0005:0006:0007:0008:0009:0010:0011:0012:0013:0014:0015:0016:0017:0018:0019:0020:0021:0022:0023:00
Temperature (°C)212120202020192022232527281312131313131314141414
Precipitation (mm/hr)00000000000000.140.260.1700.120.0100.010.010.010.01

Cloud cover and precipitation probability

Cloud cover & Rain chance
Time00:0001:0002:0003:0004:0005:0006:0007:0008:0009:0010:0011:0012:0013:0014:0015:0016:0017:0018:0019:0020:0021:0022:0023:00
Cloud cover (%)6346464810057259810090100821008610010027281488848776
Rain chance (%)211920203121173127211913142332274171131211119

Wind speed and direction

Wind & Wind gust
Time00:0001:0002:0003:0004:0005:0006:0007:0008:0009:0010:0011:0012:0013:0014:0015:0016:0017:0018:0019:0020:0021:0022:0023:00
Wind (m/s)6.196.398.618.819.89910.1197.897.696.897.396.896.897.197.397.317.397.697.817.196.696.897.11
Wind gust (m/s)7.037.318.839.4212.899.7515.11148.728.317.511.3910.897.227.6188.118.318.428.257.727.727.57.53
Wind direction (°)WSW 252°WSW 250°WSW 243°WSW 240°WSW 237°SW 235°WSW 238°WSW 240°SW 234°SW 231°SW 231°WSW 242°WSW 244°WSW 247°WSW 246°WSW 241°WSW 240°SW 236°SW 229°SW 232°SW 231°SW 230°SW 226°SW 224°

Air humidity

Humidity
Time00:0001:0002:0003:0004:0005:0006:0007:0008:0009:0010:0011:0012:0013:0014:0015:0016:0017:0018:0019:0020:0021:0022:0023:00
Humidity (%)909194949292949386797165606464636057565655535251

Atmospheric pressure

Pressure
Time00:0001:0002:0003:0004:0005:0006:0007:0008:0009:0010:0011:0012:0013:0014:0015:0016:0017:0018:0019:0020:0021:0022:0023:00
Pressure (mm Hg)758758758758758759759760761761761762762762762762762762763764764764764765

Ultraviolet index

UV Index
Time00:0001:0002:0003:0004:0005:0006:0007:0008:0009:0010:0011:0012:0013:0014:0015:0016:0017:0018:0019:0020:0021:0022:0023:00
UV Index00000000.21.135.68.410.310.99.87.44.62.20.700000

Air quality & pollen

Air quality
Time00:0001:0002:0003:0004:0005:0006:0007:0008:0009:0010:0011:0012:0013:0014:0015:0016:0017:0018:0019:0020:0021:0022:0023:00
PM2.5 (µg/m³)8.88.79.59.79.710.712.514.512.712.512.913.513.913.612.71211.711.511.411.411.311.311.69.6
PM10 (µg/m³)11.411.111.71212.11314.916.615.716.116.91818.918.617.316.516.216.216.316.516.516.616.613
Ozone (O₃) (µg/m³)38312623222224273343566982941021029892857666554232
NO₂ (µg/m³)19.92223.72525.825.824.722.720.116.412.18.45.73.62.31.822.94.56.91014.319.424
SO₂ (µg/m³)1.21.111111.11.31.51.61.71.71.71.61.61.61.61.51.41.21.11.11.11.1
CO (µg/m³)113113114116119120118113110108107106104101100100101102103104106109112113
Mon, Aug 17, 2026

Frequently asked questions about the 5-day weather in San Diego

What will the weather be like in San Diego over the next 5 days?
Over the next 5 days in San Diego the temperature is expected to range from about 12 to 28 °C. See the detailed hourly forecast for each of the 5 days in the charts above.
On which of the next 5 days will it rain in San Diego?
The chance of rain in San Diego over the next 5 days reaches 90%. Check the 5-day precipitation chart above to see exactly which days and hours bring rain.
How accurate is the 5-day weather forecast for San Diego?
A 5-day forecast is fairly reliable: the first 2–3 days are usually very accurate, while days 4–5 may be refined. The data is updated several times a day, so check back before important plans.
Which of the next 5 days in San Diego will be the warmest and which the coolest?
Over the next 5 days the temperature in San Diego ranges from about 12 to 28 °C. Compare the warmest and coolest day on the temperature chart above.
Will it be windy in San Diego over the next 5 days?
Over the next 5 days the wind in San Diego picks up to 17 m/s. The windiest days are easy to spot on the wind chart above.
Which day of the week in San Diego is best for a walk or a trip?
For a walk or a trip, pick the days with the lowest chance of rain (up to 90%) and light wind — easy to compare on the 5-day charts above.
How can I best use the 5-day forecast for San Diego?
The first 2–3 days are reliable enough for firm decisions, while days 4–5 are a guide that sharpens as they approach. The forecast is updated several times a day, so check again before important plans.

San Diego on the map

Data Sources & Methodology

Our weather forecasts are powered by a professional weather data provider that aggregates data from national weather services, satellite observations, radar networks, and over 80,000 weather stations worldwide. Forecast data is updated multiple times daily. We convert raw data into clear summaries — wind speed in m/s, pressure in mmHg — so you can plan your day with confidence.