San Antonio weather live forecast

Tomorrow's maximum temperature in San Antonio is expected to be 34°C.

5-day weather forecast updated at 04:00 on Tuesday 1st July 2025 GMT

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

San Antonio weather forecast by day

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

San Antonio weather for Tuesday 1st July 2025

Expect broken clouds in San Antonio, Texas with a maximum temperature of 34°C, high levels of heat & humidity, maximum UV of 8 (Very High) and 5 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 18 kph from the south-east.

  • 34°C maximum temperature34
    °C maximum temperature
  • 23°C minimum temperature23
    °C minimum temperature
  • Broken clouds
    broken clouds
  • 5 hours of bright sunshine5
    hours of sunshine
  • UV (maximum) index 8 (Very High)8
    UV index (Very High)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • High heat & humidityH
    high heat & humidity
  • Gentle breeze of 18 kph from the South-East18
    kph wind from SE

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San Antonio weather for Wednesday 2nd July 2025

Expect isolated thunderstorms in San Antonio, Texas with a maximum temperature of 33°C, high levels of heat & humidity, maximum UV of 10 (Very High) and 3 hours of bright sunshine. There are 0-2 mm of rainfall expected with 35% chance of some rain and a gentle breeze of 18 kph from the south-east.

  • 33°C maximum temperature33
    °C maximum temperature
  • 24°C minimum temperature24
    °C minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 3 hours of bright sunshine3
    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
  • High heat & humidityH
    high heat & humidity
  • Gentle breeze of 18 kph from the South-East18
    kph wind from SE

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San Antonio weather for Thursday 3rd July 2025

Expect isolated thunderstorms in San Antonio, Texas with a maximum temperature of 34°C, high levels of heat & humidity, maximum UV of 9 (Very High) and 4 hours of bright sunshine. There are 2-5 mm of rainfall expected with 55% chance of some rain and a moderate breeze of 21 kph from the south-east.

  • 34°C maximum temperature34
    °C maximum temperature
  • 24°C minimum temperature24
    °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)
  • 55% chance of some rain55
    % chance of some rain
  • 2-5 mm of rainfall expected<5
    mm of rainfall expected
  • High heat & humidityH
    high heat & humidity
  • Moderate breeze of 21 kph from the South-East21
    kph wind from SE

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San Antonio weather for Friday 4th July 2025

Expect broken clouds in San Antonio, Texas with a maximum temperature of 37°C, very high levels of heat & humidity, maximum UV of 11 (Extreme) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 23 kph from the south.

  • 37°C maximum temperature37
    °C maximum temperature
  • 24°C minimum temperature24
    °C minimum temperature
  • Broken clouds
    broken clouds
  • 8 hours of bright sunshine8
    hours of sunshine
  • UV (maximum) index 11 (Extreme)11
    UV index (Extreme)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • Very high heat & humidityVH
    very high heat & humidity
  • Moderate breeze of 23 kph from the South23
    kph wind from S

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San Antonio weather for Saturday 5th July 2025

Expect scattered clouds in San Antonio, Texas with a maximum temperature of 37°C, very high levels of heat & humidity, maximum UV of 11 (Extreme) and 9 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 20 kph from the south.

  • 37°C maximum temperature37
    °C maximum temperature
  • 24°C minimum temperature24
    °C minimum temperature
  • Scattered clouds
    scattered clouds
  • 9 hours of bright sunshine9
    hours of sunshine
  • UV (maximum) index 11 (Extreme)11
    UV index (Extreme)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • Very high heat & humidityVH
    very high heat & humidity
  • Moderate breeze of 20 kph from the South20
    kph wind from S

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

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