San Salvador weather live forecast

Today's maximum temperature in San Salvador is expected to be 30°C. Select a day from the live weather forecast for San Salvador, El Salvador 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 El Salvador (San Salvador) is provided by the Swiss meteorological agency, meteoblue. Find out more about our data sources.

San Salvador weather forecast by day

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

San Salvador weather for Wednesday 17th September 2025

Expect isolated thunderstorms in San Salvador, El Salvador with a maximum temperature of 30°C, moderate levels of heat & humidity, maximum UV of 11 (Extreme) and 6 hours of bright sunshine. There are 0-2 mm of rainfall expected with 75% chance of some rain and little or no wind of 6 kph from the north.

  • 30°C maximum temperature30
    °C maximum temperature
  • 21°C minimum temperature21
    °C minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 6 hours of bright sunshine6
    hours of sunshine
  • UV (maximum) index 11 (Extreme)11
    UV index (Extreme)
  • 75% chance of some rain75
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • Moderate heat & humidityM
    moderate heat & humidity
  • Little or no wind of 6 kph from the North6
    kph wind from N

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San Salvador weather for Thursday 18th September 2025

Expect isolated thunderstorms in San Salvador, El Salvador with a maximum temperature of 27°C, low levels of heat & humidity, maximum UV of 9 (Very High) and 3 hours of bright sunshine. There are 5-10 mm of rainfall expected with 88% chance of some rain and little or no wind of 6 kph from the south-east.

  • 27°C maximum temperature27
    °C maximum temperature
  • 21°C minimum temperature21
    °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)
  • 88% chance of some rain88
    % chance of some rain
  • 5-10 mm of rainfall expected<10
    mm of rainfall expected
  • Low heat & humidityL
    low heat & humidity
  • Little or no wind of 6 kph from the South-East6
    kph wind from SE

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San Salvador weather for Friday 19th September 2025

Expect broken clouds in San Salvador, El Salvador with a maximum temperature of 27°C, low levels of heat & humidity, maximum UV of 7 (High) and 4 hours of bright sunshine. There are 0 mm of rainfall expected and little or no wind of 5 kph from the south-east.

  • 27°C maximum temperature27
    °C maximum temperature
  • 21°C minimum temperature21
    °C minimum temperature
  • Broken clouds
    broken clouds
  • 4 hours of bright sunshine4
    hours of sunshine
  • UV (maximum) index 7 (High)7
    UV index (High)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • Low heat & humidityL
    low heat & humidity
  • Little or no wind of 5 kph from the South-East5
    kph wind from SE

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San Salvador weather for Saturday 20th September 2025

Expect isolated thunderstorms in San Salvador, El Salvador with a maximum temperature of 28°C, 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 84% chance of some rain and little or no wind of 6 kph from the south.

  • 28°C maximum temperature28
    °C maximum temperature
  • 21°C minimum temperature21
    °C 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)
  • 84% chance of some rain84
    % chance of some rain
  • 2-5 mm of rainfall expected<5
    mm of rainfall expected
  • Low heat & humidityL
    low heat & humidity
  • Little or no wind of 6 kph from the South6
    kph wind from S

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San Salvador weather for Sunday 21st September 2025

Expect isolated thunderstorms in San Salvador, El Salvador with a maximum temperature of 28°C, low levels of heat & humidity, maximum UV of 10 (Very High) and 4 hours of bright sunshine. There are 0-2 mm of rainfall expected with 92% chance of some rain and little or no wind of 6 kph from the south.

  • 28°C maximum temperature28
    °C maximum temperature
  • 21°C minimum temperature21
    °C 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
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • Low heat & humidityL
    low heat & humidity
  • Little or no wind of 6 kph from the South6
    kph wind from S

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