San Jose weather live forecast

Today's maximum temperature in San Jose is expected to be 24°C. Select a day from the live weather forecast for San Jose, Costa Rica for more weather parameters.

5-day weather forecast updated at 04:01 on Friday 29th August 2025 GMT

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The 5-day weather forecast for Costa Rica (San Jose) is provided by the Swiss meteorological agency, meteoblue. Find out more about our data sources.

San Jose weather forecast by day

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

San Jose weather for Friday 29th August 2025

Expect isolated thunderstorms in San Jose, Costa Rica with a maximum temperature of 24°C, maximum UV of 5 (Moderate) and 4 hours of bright sunshine. There are 10-20 mm of rainfall expected with 99% chance of some rain and a gentle breeze of 16 kph from the east.

  • 24°C maximum temperature24
    °C maximum temperature
  • 20°C minimum temperature20
    °C minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 4 hours of bright sunshine4
    hours of sunshine
  • UV (maximum) index 5 (Moderate)5
    UV index (Moderate)
  • 99% chance of some rain99
    % chance of some rain
  • 10-20 mm of rainfall expected<20
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Gentle breeze of 16 kph from the East16
    kph wind from E

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San Jose weather for Saturday 30th August 2025

Expect isolated thunderstorms in San Jose, Costa Rica with a maximum temperature of 24°C, maximum UV of 6 (High) and 4 hours of bright sunshine. There are 5-10 mm of rainfall expected with 100% chance of some rain and a gentle breeze of 18 kph from the east.

  • 24°C maximum temperature24
    °C maximum temperature
  • 19°C minimum temperature19
    °C minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 4 hours of bright sunshine4
    hours of sunshine
  • UV (maximum) index 6 (High)6
    UV index (High)
  • 100% chance of some rain100
    % chance of some rain
  • 5-10 mm of rainfall expected<10
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Gentle breeze of 18 kph from the East18
    kph wind from E

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San Jose weather for Sunday 31st August 2025

Expect broken clouds in San Jose, Costa Rica with a maximum temperature of 26°C, low levels of heat & humidity, maximum UV of 10 (Very High) and 5 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 17 kph from the east.

  • 26°C maximum temperature26
    °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 10 (Very High)10
    UV index (Very High)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • Low heat & humidityL
    low heat & humidity
  • Gentle breeze of 17 kph from the East17
    kph wind from E

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San Jose weather for Monday 1st September 2025

Expect isolated thunderstorms in San Jose, Costa Rica with a maximum temperature of 25°C, maximum UV of 3 (Moderate) and 4 hours of bright sunshine. There are 10-20 mm of rainfall expected with 94% chance of some rain and a gentle breeze of 16 kph from the east.

  • 25°C maximum temperature25
    °C maximum temperature
  • 19°C minimum temperature19
    °C minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 4 hours of bright sunshine4
    hours of sunshine
  • UV (maximum) index 3 (Moderate)3
    UV index (Moderate)
  • 94% chance of some rain94
    % chance of some rain
  • 10-20 mm of rainfall expected<20
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Gentle breeze of 16 kph from the East16
    kph wind from E

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San Jose weather for Tuesday 2nd September 2025

Expect isolated thunderstorms in San Jose, Costa Rica with a maximum temperature of 25°C, maximum UV of 9 (Very High) and 3 hours of bright sunshine. There are 20-30 mm of rainfall expected with 96% chance of some rain and a gentle breeze of 17 kph from the east.

  • 25°C maximum temperature25
    °C maximum temperature
  • 19°C minimum temperature19
    °C minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 3 hours of bright sunshine3
    hours of sunshine
  • UV (maximum) index 9 (Very High)9
    UV index (Very High)
  • 96% chance of some rain96
    % chance of some rain
  • 20-30 mm of rainfall expected<30
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Gentle breeze of 17 kph from the East17
    kph wind from E

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

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