Costa Rica weather live forecast

Today's maximum temperature in Costa Rica is expected to be 75°F. Select a day from the live weather forecast for Costa Rica (San Jose) for more weather parameters.

5-day weather forecast updated at 04:01 on Thursday 18th September 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.

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Costa Rica weather forecast by day

Below are the detailed weather forecasts for Costa Rica for the next 5 days. The forecasts shown are for San Jose and may not represent the whole of Costa Rica. Browse more destinations in Costa Rica to view more weather forecasts.

Costa Rica weather for Thursday 18th September 2025

Expect isolated thunderstorms in Costa Rica with a maximum temperature of 75°F, maximum UV of 5 (Moderate) and 2 hours of bright sunshine. There are 10-20 mm of rainfall expected with 71% chance of some rain and a gentle breeze of 10 mph from the west.

  • 75°F maximum temperature75
    °F maximum temperature
  • 66°F minimum temperature66
    °F minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 2 hours of bright sunshine2
    hours of sunshine
  • UV (maximum) index 5 (Moderate)5
    UV index (Moderate)
  • 71% chance of some rain71
    % chance of some rain
  • 10-20 mm of rainfall expected<20
    mm of rainfall expected
  • 75°F wind chill75
    °F wind chill
  • Gentle breeze of 10 mph from the West10
    mph wind from W

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Costa Rica weather for Friday 19th September 2025

Expect isolated thunderstorms in Costa Rica with a maximum temperature of 75°F, maximum UV of 10 (Very High) and 5 hours of bright sunshine. There are 10-20 mm of rainfall expected with 77% chance of some rain and a gentle breeze of 11 mph from the east.

  • 75°F maximum temperature75
    °F maximum temperature
  • 66°F minimum temperature66
    °F minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 5 hours of bright sunshine5
    hours of sunshine
  • UV (maximum) index 10 (Very High)10
    UV index (Very High)
  • 77% chance of some rain77
    % chance of some rain
  • 10-20 mm of rainfall expected<20
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Gentle breeze of 11 mph from the East11
    mph wind from E

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Costa Rica weather for Saturday 20th September 2025

Expect isolated thunderstorms in Costa Rica with a maximum temperature of 79°F, low levels of heat & humidity, maximum UV of 10 (Very High) and 4 hours of bright sunshine. There are 2-5 mm of rainfall expected with 92% chance of some rain and a gentle breeze of 11 mph from the west.

  • 79°F maximum temperature79
    °F maximum temperature
  • 66°F minimum temperature66
    °F minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 4 hours of bright sunshine4
    hours of sunshine
  • UV (maximum) index 10 (Very High)10
    UV index (Very High)
  • 92% chance of some rain92
    % chance of some rain
  • 2-5 mm of rainfall expected<5
    mm of rainfall expected
  • Low heat & humidityL
    low heat & humidity
  • Gentle breeze of 11 mph from the West11
    mph wind from W

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Costa Rica weather for Sunday 21st September 2025

Expect isolated thunderstorms in Costa Rica with a maximum temperature of 77°F, maximum UV of 10 (Very High) and 5 hours of bright sunshine. There are 10-20 mm of rainfall expected with 93% chance of some rain and a moderate breeze of 12 mph from the east.

  • 77°F maximum temperature77
    °F maximum temperature
  • 66°F minimum temperature66
    °F minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 5 hours of bright sunshine5
    hours of sunshine
  • UV (maximum) index 10 (Very High)10
    UV index (Very High)
  • 93% chance of some rain93
    % chance of some rain
  • 10-20 mm of rainfall expected<20
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Moderate breeze of 12 mph from the East12
    mph wind from E

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Costa Rica weather for Monday 22nd September 2025

Expect isolated thunderstorms in Costa Rica with a maximum temperature of 77°F, maximum UV of 11+ (Extreme) and 5 hours of bright sunshine. There are 10-20 mm of rainfall expected with 91% chance of some rain and a gentle breeze of 11 mph from the east.

  • 77°F maximum temperature77
    °F maximum temperature
  • 64°F minimum temperature64
    °F minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 5 hours of bright sunshine5
    hours of sunshine
  • UV (maximum) index 11+ (Extreme)11
    UV index (Extreme)
  • 91% chance of some rain91
    % chance of some rain
  • 10-20 mm of rainfall expected<20
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Gentle breeze of 11 mph from the East11
    mph wind from E

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Metric (°C)  |  Imperial (°F)

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