Jaco weather live forecast

Today's maximum temperature in Jaco is expected to be 84°F. Select a day from the live weather forecast for Jaco, Costa Rica for more weather parameters.

5-day weather forecast updated at 04:03 on Thursday 18th September 2025 GMT

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

Jaco weather forecast by day

Below are the detailed weather forecasts for Jaco for the next 5 days.

Jaco weather for Thursday 18th September 2025

Expect isolated thunderstorms in Jaco, Costa Rica with a maximum temperature of 84°F, moderate levels of heat & humidity, maximum UV of 7 (High) and 1 hour of bright sunshine. There are 10-20 mm of rainfall expected with 51% chance of some rain and a light breeze of 6 mph from the south.

  • 84°F maximum temperature84
    °F maximum temperature
  • 73°F minimum temperature73
    °F minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 1 hour of bright sunshine1
    hour of sunshine
  • UV (maximum) index 7 (High)7
    UV index (High)
  • 51% chance of some rain51
    % chance of some rain
  • 10-20 mm of rainfall expected<20
    mm of rainfall expected
  • Moderate heat & humidityM
    moderate heat & humidity
  • Light breeze of 6 mph from the South6
    mph wind from S

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Jaco weather for Friday 19th September 2025

Expect isolated thunderstorms in Jaco, Costa Rica with a maximum temperature of 86°F, moderate levels of heat & humidity, maximum UV of 11 (Extreme) and 5 hours of bright sunshine. There are 2-5 mm of rainfall expected with 59% chance of some rain and a light breeze of 6 mph from the south.

  • 86°F maximum temperature86
    °F maximum temperature
  • 75°F minimum temperature75
    °F minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 5 hours of bright sunshine5
    hours of sunshine
  • UV (maximum) index 11 (Extreme)11
    UV index (Extreme)
  • 59% chance of some rain59
    % chance of some rain
  • 2-5 mm of rainfall expected<5
    mm of rainfall expected
  • Moderate heat & humidityM
    moderate heat & humidity
  • Light breeze of 6 mph from the South6
    mph wind from S

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Jaco weather for Saturday 20th September 2025

Expect isolated thunderstorms in Jaco, Costa Rica with a maximum temperature of 84°F, moderate levels of heat & humidity, maximum UV of 10 (Very High) and 5 hours of bright sunshine. There are 2-5 mm of rainfall expected with 86% chance of some rain and a light breeze of 5 mph from the south.

  • 84°F maximum temperature84
    °F maximum temperature
  • 75°F minimum temperature75
    °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)
  • 86% chance of some rain86
    % chance of some rain
  • 2-5 mm of rainfall expected<5
    mm of rainfall expected
  • Moderate heat & humidityM
    moderate heat & humidity
  • Light breeze of 5 mph from the South5
    mph wind from S

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Jaco weather for Sunday 21st September 2025

Expect isolated thunderstorms in Jaco, Costa Rica with a maximum temperature of 84°F, moderate levels of heat & humidity, maximum UV of 10 (Very High) and 4 hours of bright sunshine. There are 10-20 mm of rainfall expected with 83% chance of some rain and a light breeze of 7 mph from the south.

  • 84°F maximum temperature84
    °F maximum temperature
  • 75°F minimum temperature75
    °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)
  • 83% chance of some rain83
    % chance of some rain
  • 10-20 mm of rainfall expected<20
    mm of rainfall expected
  • Moderate heat & humidityM
    moderate heat & humidity
  • Light breeze of 7 mph from the South7
    mph wind from S

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Jaco weather for Monday 22nd September 2025

Expect isolated thunderstorms in Jaco, Costa Rica with a maximum temperature of 84°F, moderate levels of heat & humidity, maximum UV of 11+ (Extreme) and 4 hours of bright sunshine. There are 5-10 mm of rainfall expected with 87% chance of some rain and a light breeze of 4 mph from the south.

  • 84°F maximum temperature84
    °F maximum temperature
  • 75°F minimum temperature75
    °F minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 4 hours of bright sunshine4
    hours of sunshine
  • UV (maximum) index 11+ (Extreme)11
    UV index (Extreme)
  • 87% chance of some rain87
    % chance of some rain
  • 5-10 mm of rainfall expected<10
    mm of rainfall expected
  • Moderate heat & humidityM
    moderate heat & humidity
  • Light breeze of 4 mph from the South4
    mph wind from S

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