San Diego weather forecast

Get the latest coronavirus (COVID-19) updates for the USA with current travel advice, statistics and online resources.

Last updated at 04:03 on Friday 18th September 2020 GMT

  • Top deals & discounts
  • San Diego weather overview
  • San Diego climate averages by month
  • More destinations
  • Best time to go to San Diego
  • San Diego weather today - current conditions (last 24-hours)

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

The 5-day weather forecast for San Diego, California is provided by the Swiss meteorological agency, MeteoBlue. Find out more about our data sources.

Recommended for California

  • Save EXTRA 5% on car hire worldwide with Enjoy Travel
  • Book car hire for destinations in the UK, Europe & beyond
  • Discount code cannot be combined with other promotions

San Diego weather forecast by day

Below are the detailed weather forecasts for San Diego for the next 5 days.

San Diego weather for Thursday 17th September 2020

Below is the San Diego weather forecast for Thursday 17th September 2020. Expect scattered clouds in San Diego, California with a maximum temperature of 30°C, moderate levels of heat & humidity, maximum UV of 8 (Very High) and 10 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 14 kph from the north-west.

  • 30°C maximum temperature30
    °C maximum temperature
  • 21°C minimum temperature21
    °C minimum temperature
  • Scattered clouds
    scattered clouds
  • 10 hours of bright sunshine10
    hours of sunshine
  • UV (maximum) index 8 (Very High)8
    UV index (Very High)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • Moderate heat & humidityM
    moderate heat & humidity
  • Gentle breeze of 14 kph from the North-West14
    kph wind from NW

Back to top

San Diego weather for Friday 18th September 2020

Below is the San Diego weather forecast for Friday 18th September 2020. Expect clear skies in San Diego, California with a maximum temperature of 30°C, moderate levels of heat & humidity, maximum UV of 8 (Very High) and 12 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 13 kph from the north-west.

  • 30°C maximum temperature30
    °C maximum temperature
  • 20°C minimum temperature20
    °C minimum temperature
  • Clear skies
    clear skies
  • 12 hours of bright sunshine12
    hours of sunshine
  • UV (maximum) index 8 (Very High)8
    UV index (Very High)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • Low heat & humidityL
    low heat & humidity
  • Gentle breeze of 13 kph from the North-West13
    kph wind from NW

Back to top

San Diego weather for Saturday 19th September 2020

Below is the San Diego weather forecast for Saturday 19th September 2020. Expect scattered clouds in San Diego, California with a maximum temperature of 27°C, low levels of heat & humidity, maximum UV of 8 (Very High) and 11 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 16 kph from the north-west.

  • 27°C maximum temperature27
    °C maximum temperature
  • 20°C minimum temperature20
    °C minimum temperature
  • Scattered clouds
    scattered clouds
  • 11 hours of bright sunshine11
    hours of sunshine
  • UV (maximum) index 8 (Very High)8
    UV index (Very High)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • Low heat & humidityL
    low heat & humidity
  • Gentle breeze of 16 kph from the North-West16
    kph wind from NW

Back to top

San Diego weather for Sunday 20th September 2020

Below is the San Diego weather forecast for Sunday 20th September 2020. Expect broken clouds in San Diego, California with a maximum temperature of 24°C, maximum UV of 8 (Very High) and 5 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 13 kph from the west.

  • 24°C maximum temperature24
    °C maximum temperature
  • 19°C minimum temperature19
    °C minimum temperature
  • Broken clouds
    broken clouds
  • 5 hours of bright sunshine5
    hours of sunshine
  • UV (maximum) index 8 (Very High)8
    UV index (Very High)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Gentle breeze of 13 kph from the West13
    kph wind from W

Back to top

San Diego weather for Monday 21st September 2020

Below is the San Diego weather forecast for Monday 21st September 2020. Expect broken clouds in San Diego, California with a maximum temperature of 23°C, maximum UV of 8 (Very High) and 5 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 13 kph from the north-west.

  • 23°C maximum temperature23
    °C maximum temperature
  • 17°C minimum temperature17
    °C minimum temperature
  • Broken clouds
    broken clouds
  • 5 hours of bright sunshine5
    hours of sunshine
  • UV (maximum) index 8 (Very High)8
    UV index (Very High)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Gentle breeze of 13 kph from the North-West13
    kph wind from NW

Back to top

  • Save EXTRA £50 per adult on holidays, cruises & tours
  • Includes escorted tours & river cruises - no min spend
  • Enter discount code at checkout. Excludes children
Show discount codeShow discount code ******O50

Expires at 23:59 on Wednesday 30th Sep 2020 · View all Mercury Holidays offers

Metric (°C / mm)  |  Imperial (°F / inches)

Back to top

Discover more about California

Where's hot in California in California tomorrow?

Below are temperatures expected tomorrow at popular destinations in California. Select a destination to see the 5-day weather forecast.

More destinations & map >>

Related posts

Popular travel offers

Top ^

*affiliate links: find out how we are funded and why this helps us remain free to use.