San Jose weather live forecast

Today's maximum temperature in San Jose is expected to be 25°C. Select a day from the live weather forecast for San Jose, Costa Rica for more weather parameters.

5-day weather forecast updated at 04:00 on Sunday 17th 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 Sunday 17th August 2025

Expect isolated thunderstorms in San Jose, Costa Rica with a maximum temperature of 25°C, maximum UV of 9 (Very High) and 5 hours of bright sunshine. There are 40-50 mm of rainfall expected with 89% chance of some rain and a gentle breeze of 19 kph from the east.

  • 25°C maximum temperature25
    °C maximum temperature
  • 18°C minimum temperature18
    °C minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 5 hours of bright sunshine5
    hours of sunshine
  • UV (maximum) index 9 (Very High)9
    UV index (Very High)
  • 89% chance of some rain89
    % chance of some rain
  • 40-50 mm of rainfall expected<50
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Gentle breeze of 19 kph from the East19
    kph wind from E

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San Jose weather for Monday 18th August 2025

Expect isolated thunderstorms in San Jose, Costa Rica with a maximum temperature of 24°C, maximum UV of 9 (Very High) and 4 hours of bright sunshine. There are 20-30 mm of rainfall expected with 98% chance of some rain and a gentle breeze of 18 kph from the west.

  • 24°C maximum temperature24
    °C maximum temperature
  • 18°C minimum temperature18
    °C minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 4 hours of bright sunshine4
    hours of sunshine
  • UV (maximum) index 9 (Very High)9
    UV index (Very High)
  • 98% chance of some rain98
    % chance of some rain
  • 20-30 mm of rainfall expected<30
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Gentle breeze of 18 kph from the West18
    kph wind from W

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San Jose weather for Tuesday 19th August 2025

Expect isolated thunderstorms in San Jose, Costa Rica with a maximum temperature of 25°C, maximum UV of 9 (Very High) and 5 hours of bright sunshine. There are 5-10 mm of rainfall expected with 88% chance of some rain and a gentle breeze of 18 kph from the west.

  • 25°C maximum temperature25
    °C maximum temperature
  • 18°C minimum temperature18
    °C minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 5 hours of bright sunshine5
    hours of sunshine
  • UV (maximum) index 9 (Very High)9
    UV index (Very High)
  • 88% chance of some rain88
    % 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 West18
    kph wind from W

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San Jose weather for Wednesday 20th August 2025

Expect isolated thunderstorms in San Jose, Costa Rica with a maximum temperature of 25°C, maximum UV of 8 (Very High) and 5 hours of bright sunshine. There are 5-10 mm of rainfall expected with 93% chance of some rain and a gentle breeze of 19 kph from the east.

  • 25°C maximum temperature25
    °C maximum temperature
  • 19°C minimum temperature19
    °C minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 5 hours of bright sunshine5
    hours of sunshine
  • UV (maximum) index 8 (Very High)8
    UV index (Very High)
  • 93% chance of some rain93
    % chance of some rain
  • 5-10 mm of rainfall expected<10
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Gentle breeze of 19 kph from the East19
    kph wind from E

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San Jose weather for Thursday 21st August 2025

Expect isolated thunderstorms in San Jose, Costa Rica with a maximum temperature of 25°C, maximum UV of 11+ (Extreme) and 5 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.

  • 25°C maximum temperature25
    °C maximum temperature
  • 18°C minimum temperature18
    °C minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 5 hours of bright sunshine5
    hours of sunshine
  • UV (maximum) index 11+ (Extreme)11
    UV index (Extreme)
  • 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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Metric (°C / mm)  |  Imperial (°F / inches)

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