Weather forecast for 10 days
San Antonio, TX

Weather forecast for the weekend

Saturday, 19. Apr

Showers
7:01 am

8:04 pm
CDT
Showers
29°C / 20°C
  • Wind: 29km/h SE
  • Humidity: 56%
  • Precip. probability: 36%
  • Precipitation: 5mm
  • UV index: 6
On Saturday, in San Antonio, showers are expected, with occasional breaks in the rain throughout the day.
With a low probability, light precipitation is forecasted for today. The highest anticipated temperature is a temperate 84.2°F, while the lowest temperature will be an agreeable 68°F.
The maximum heat index, which measures the combined effect of heat and moisture, is computed to be a hot 86°F. Note that heat index values are valued for light wind and location in the shade.
The predicted peak temperature today will be relatively higher than the average April maximum of 79.7°F.
Sunrise was at 7:01 am and sunset will be at 8:04 pm; the daylight will last for 13h and 3min.

Sunday, 20. Apr

AM Thunderstorms
7:00 am

8:05 pm
CDT
AM Thunderstorms
30°C / 15°C
  • Wind: 12km/h N
  • Humidity: 56%
  • Precip. probability: 87%
  • Precipitation: 9mm
  • UV index: 10
Tomorrow, on Sunday, expect a stormy morning with frequent rumbles of thunder and passing showers.
The likelihood of precipitation is high. However, the rainfall will be light. The highest daytime temperature will touch a humid 86°F, creating a significant contrast with the anticipated nighttime low of a refreshing 59°F.
The maximum heat index, which indicates how humid air affects the felt temperature, is assessed at a tropical 89.6°F. Note that heat index values are valued for light wind and location in the shade.
Tomorrow, expect hotter conditions as the high matches May's average of 85.6°F, not April's.
Sunrise will be at 7:00 am and sunset at 8:05 pm; tomorrow's daylight will last for 13h and 5min.

Frequently asked questions

What is the weather forecast for San Antonio for tomorrow?
On Sunday, cloudy skies with thunderstorms are expected in the morning hours.
Will it rain tomorrow?
Light precipitation of 0.35" is forecasted. The possibility of rainfall is high at 87%.
What will be the highest temperature tomorrow?
Tomorrow, the maximum temperature will be 86°F, while the minimum temperature will be 59°F. The maximum heat index, which calculates the temperature value influenced by the moisture in the air, is calculated to be 89.6°F.
The highest temperature will be moderately higher than the average maximum of 79.7°F in April. Tomorrow, the lowest temperature will be in line with the average low temperature.
What time are sunrise and sunset tomorrow?
On Sunday, in San Antonio, sunrise will be at 7:00 am and sunset at 8:05 pm (CDT).
How many hours of daylight will San Antonio have tomorrow?
In San Antonio, the length of the day tomorrow will be 13h and 5min.
What is the weather forecast for San Antonio for the next ten days?
In San Antonio, a combination of lightning-active, gloomy and showery weather is anticipated for the next ten days.
Will it rain in the next ten days?
Rainfall is anticipated on Saturday, Sunday, Tuesday through Friday in San Antonio. With moderate precipitation of 0.47", Thursday will be the day with the most rainfall.
How hot will it be in the next ten days?
The maximum temperature will vary between 80.6°F and 87.8°F, as the minimum temperature will be between 59°F and 71.6°F.
Including the humidity's impact, the maximum feel-like temperature will vary between 86°F and 98.6°F.
What will be the hottest and the coldest days?
With a maximum temperature of 87.8°F, Monday, next Sunday and Monday will be the hottest days. With a maximum temperature of 80.6°F, Wednesday will be the coldest day.

Long-term weather forecast

Sat19.Apr
  • 29°C
  • 20°C
Showers
Showers
  • Wind: 29km/h SE
  • Humidity: 56%
  • UV index: 6
  • Precip. probability: 36%
  • Precipitation: 5mm
  • 7:01 am 8:04 pm CDT
Sun20.Apr
  • 30°C
  • 15°C
AM Thunderstorms
AM Thunderstorms
  • Wind: 12km/h N
  • Humidity: 56%
  • UV index: 10
  • Precip. probability: 87%
  • Precipitation: 9mm
  • 7:00 am 8:05 pm CDT
Mon21.Apr
  • 31°C
  • 20°C
Partly Cloudy
Partly Cloudy
  • Wind: 15km/h ENE
  • Humidity: 43%
  • UV index: 10
  • Precip. probability: 3%
  • Precipitation: 0mm
  • 6:59 am 8:05 pm CDT
Tue22.Apr
  • 30°C
  • 20°C
Scattered Thunderstorms
Scattered Thunderstorms
  • Wind: 20km/h ESE
  • Humidity: 68%
  • UV index: 10
  • Precip. probability: 53%
  • Precipitation: 10mm
  • 6:58 am 8:06 pm CDT
Wed23.Apr
  • 27°C
  • 21°C
Scattered Thunderstorms
Scattered Thunderstorms
  • Wind: 19km/h SE
  • Humidity: 78%
  • UV index: 8
  • Precip. probability: 58%
  • Precipitation: 8mm
  • 6:57 am 8:06 pm CDT
Thu24.Apr
  • 28°C
  • 21°C
Thunderstorms
Thunderstorms
  • Wind: 19km/h SE
  • Humidity: 78%
  • UV index: 8
  • Precip. probability: 65%
  • Precipitation: 12mm
  • 6:56 am 8:07 pm CDT
Fri25.Apr
  • 29°C
  • 21°C
AM Thunderstorms
AM Thunderstorms
  • Wind: 14km/h ESE
  • Humidity: 76%
  • UV index: 7
  • Precip. probability: 43%
  • Precipitation: 2mm
  • 6:55 am 8:08 pm CDT
Sat26.Apr
  • 30°C
  • 22°C
AM Clouds / PM Sun
AM Clouds / PM Sun
  • Wind: 19km/h ESE
  • Humidity: 74%
  • UV index: 9
  • Precip. probability: 24%
  • Precipitation: 0mm
  • 6:54 am 8:08 pm CDT
Sun27.Apr
  • 31°C
  • 22°C
Mostly Cloudy
Mostly Cloudy
  • Wind: 19km/h SE
  • Humidity: 68%
  • UV index: 9
  • Precip. probability: 24%
  • Precipitation: 0mm
  • 6:53 am 8:09 pm CDT
Mon28.Apr
  • 31°C
  • 22°C
Mostly Cloudy
Mostly Cloudy
  • Wind: 22km/h SSE
  • Humidity: 67%
  • UV index: 8
  • Precip. probability: 24%
  • Precipitation: 0mm
  • 6:52 am 8:09 pm CDT
Models point to a combination of unstable, cloudy and wet weather is anticipated.
Rainfall is anticipated on Saturday, Sunday, Tuesday through Friday.
In the upcoming period, the maximum temperature will vary between 80.6°F and 87.8°F, while the difference in minimum temperatures will be substantial, as nighttime lows are forecast to fall between 59°F and 71.6°F.
With a maximum temperature of 87.8°F, Monday, next Sunday and Monday will be the hottest days; the lowest daytime temperature of the period will be reached on Wednesday, peaking at 80.6°F.
Including the humidity's impact, the maximum feel-like temperature may increase greatly and vary between a tropical 86°F and a sweltering 98.6°F.
Updated: Apr 19, 2025 @ 17:18:16 UTC
Published by: Weather U.S. | About Us
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