San Diego weather forecast

Get the latest coronavirus (Covid-19) updates for California with current travel advice and statistics on new cases per 100,000 and vaccine.

Last updated at 04:03 on Sunday 19th September 2021 GMT

  • Get free cancellation on California accommodation
  • Search by date, browse map or filter by property type
  • Check upcoming rates & last minute availability

The Plum GuideHoliday home finder

Recommended for California

  • 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.

San Diego weather forecast by day

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

San Diego weather for Saturday 18th September 2021

Below is the San Diego weather forecast for Saturday 18th September 2021. Expect scattered clouds in San Diego, California with a maximum temperature of 22°C, maximum UV of 4 (Moderate) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 16 kph from the north-west.

  • 22°C maximum temperature22
    °C maximum temperature
  • 19°C minimum temperature19
    °C minimum temperature
  • Scattered clouds
    scattered clouds
  • 8 hours of bright sunshine8
    hours of sunshine
  • UV (maximum) index 4 (Moderate)4
    UV index (Moderate)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Gentle breeze of 16 kph from the North-West16
    kph wind from NW

Back to top

San Diego weather for Sunday 19th September 2021

Below is the San Diego weather forecast for Sunday 19th September 2021. Expect scattered clouds in San Diego, California with a maximum temperature of 22°C, maximum UV of 8 (Very High) and 7 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 13 kph from the west.

  • 22°C maximum temperature22
    °C maximum temperature
  • 18°C minimum temperature18
    °C minimum temperature
  • Scattered clouds
    scattered clouds
  • 7 hours of bright sunshine7
    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 20th September 2021

Below is the San Diego weather forecast for Monday 20th September 2021. Expect scattered clouds in San Diego, California with a maximum temperature of 23°C, maximum UV of 8 (Very High) and 11 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 13 kph from the south-west.

  • 23°C maximum temperature23
    °C maximum temperature
  • 17°C minimum temperature17
    °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
  • No heat & humidity0
    no heat & humidity
  • Gentle breeze of 13 kph from the South-West13
    kph wind from SW

Back to top

San Diego weather for Tuesday 21st September 2021

Below is the San Diego weather forecast for Tuesday 21st September 2021. Expect scattered clouds in San Diego, California with a maximum temperature of 26°C, maximum UV of 8 (Very High) and 11 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 12 kph from the west.

  • 26°C maximum temperature26
    °C maximum temperature
  • 18°C minimum temperature18
    °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
  • 26°C wind chill26
    °C wind chill
  • Light breeze of 12 kph from the West12
    kph wind from W

Back to top

San Diego weather for Wednesday 22nd September 2021

Below is the San Diego weather forecast for Wednesday 22nd September 2021. Expect scattered clouds in San Diego, California with a maximum temperature of 28°C, low levels of heat & humidity, maximum UV of 7 (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.

  • 28°C maximum temperature28
    °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 7 (High)7
    UV index (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

  • Save 30% on Covid-19 Fit to Fly test & travel certificate
  • Home Covid-19 PCR test with free express delivery
  • Receive online results within 24-72 hours once test at lab
Show discount codeShow discount code ******VEL

Expires at 23:59 on Friday 31st Dec 2021

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

Back to top

Related posts

Popular travel offers

Top ^

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