Rio San Juan weather live forecast

Today's maximum temperature in Rio San Juan is expected to be 31°C. Select a day from the live weather forecast for Rio San Juan, Dominican Republic 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 Dominican Republic (Rio San Juan) is provided by the Swiss meteorological agency, meteoblue. Find out more about our data sources.

Rio San Juan weather forecast by day

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

Rio San Juan weather for Thursday 18th September 2025

Expect isolated thunderstorms in Rio San Juan, Dominican Republic with a maximum temperature of 31°C, moderate levels of heat & humidity, maximum UV of 10 (Very High) and 6 hours of bright sunshine. There are 0-2 mm of rainfall expected with 35% chance of some rain and a gentle breeze of 19 kph from the east.

  • 31°C maximum temperature31
    °C maximum temperature
  • 26°C minimum temperature26
    °C minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 6 hours of bright sunshine6
    hours of sunshine
  • UV (maximum) index 10 (Very High)10
    UV index (Very High)
  • 35% chance of some rain35
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • Moderate heat & humidityM
    moderate heat & humidity
  • Gentle breeze of 19 kph from the East19
    kph wind from E

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Rio San Juan weather for Friday 19th September 2025

Expect isolated thunderstorms in Rio San Juan, Dominican Republic with a maximum temperature of 33°C, high levels of heat & humidity, maximum UV of 11 (Extreme) and 6 hours of bright sunshine. There are 2-5 mm of rainfall expected with 61% chance of some rain and a gentle breeze of 16 kph from the south-east.

  • 33°C maximum temperature33
    °C maximum temperature
  • 25°C minimum temperature25
    °C minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 6 hours of bright sunshine6
    hours of sunshine
  • UV (maximum) index 11 (Extreme)11
    UV index (Extreme)
  • 61% chance of some rain61
    % chance of some rain
  • 2-5 mm of rainfall expected<5
    mm of rainfall expected
  • High heat & humidityH
    high heat & humidity
  • Gentle breeze of 16 kph from the South-East16
    kph wind from SE

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Rio San Juan weather for Saturday 20th September 2025

Expect isolated thunderstorms in Rio San Juan, Dominican Republic with a maximum temperature of 34°C, high levels of heat & humidity, maximum UV of 9 (Very High) and 7 hours of bright sunshine. There are 2-5 mm of rainfall expected with 85% chance of some rain and a light breeze of 11 kph from the south.

  • 34°C maximum temperature34
    °C maximum temperature
  • 25°C minimum temperature25
    °C minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 7 hours of bright sunshine7
    hours of sunshine
  • UV (maximum) index 9 (Very High)9
    UV index (Very High)
  • 85% chance of some rain85
    % chance of some rain
  • 2-5 mm of rainfall expected<5
    mm of rainfall expected
  • High heat & humidityH
    high heat & humidity
  • Light breeze of 11 kph from the South11
    kph wind from S

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Rio San Juan weather for Sunday 21st September 2025

Expect scattered clouds in Rio San Juan, Dominican Republic with a maximum temperature of 33°C, high levels of heat & humidity, maximum UV of 10 (Very High) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 11 kph from the south.

  • 33°C maximum temperature33
    °C maximum temperature
  • 24°C minimum temperature24
    °C minimum temperature
  • Scattered clouds
    scattered clouds
  • 8 hours of bright sunshine8
    hours of sunshine
  • UV (maximum) index 10 (Very High)10
    UV index (Very High)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • High heat & humidityH
    high heat & humidity
  • Light breeze of 11 kph from the South11
    kph wind from S

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Rio San Juan weather for Monday 22nd September 2025

Expect isolated thunderstorms in Rio San Juan, Dominican Republic with a maximum temperature of 32°C, high levels of heat & humidity, maximum UV of 11 (Extreme) and 7 hours of bright sunshine. There are 0-2 mm of rainfall expected with 58% chance of some rain and a light breeze of 11 kph from the east.

  • 32°C maximum temperature32
    °C maximum temperature
  • 24°C minimum temperature24
    °C minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 7 hours of bright sunshine7
    hours of sunshine
  • UV (maximum) index 11 (Extreme)11
    UV index (Extreme)
  • 58% chance of some rain58
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • High heat & humidityH
    high heat & humidity
  • Light breeze of 11 kph from the East11
    kph wind from E

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

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