San Antonio 7-day weather forecast

Written by:
March 23, 2026
ESOlex // Shutterstock

San Antonio 7-day weather forecast

Stacker created the forecast for San Antonio, Texas using data from OpenWeather. This week's high is 90 °F on Wednesday, while the low is 53 °F on Sunday. There are expected to be 2 sunny days and precipitation on 0 days this week.

There are currently no weather alerts.

Monday, March 23

- High of 87 °F, low of 59 °F (39% humidity)
- Sunny with a 0% chance of rain
- Very high risk of harm from sun exposure (9 UV index)
- Gentle breeze (9 mph wind)
- Sunrise at 7:34 AM, sunset at 7:46 PM
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Tuesday, March 24

- High of 88 °F, low of 60 °F (35% humidity)
- Partly sunny with a 0% chance of rain
- Very high risk of harm from sun exposure (9 UV index)
- Moderate breeze (16 mph wind)
- Sunrise at 7:32 AM, sunset at 7:47 PM
2 / 6
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Wednesday, March 25

- High of 90 °F, low of 63 °F (39% humidity)
- Partly sunny with a 0% chance of rain
- Very high risk of harm from sun exposure (9 UV index)
- Moderate breeze (18 mph wind)
- Sunrise at 7:31 AM, sunset at 7:47 PM
- First quarter moon
3 / 6
Andrzej Kubik // Shutterstock

Thursday, March 26

- High of 90 °F, low of 64 °F (56% humidity)
- Overcast with a 0% chance of rain
- Very high risk of harm from sun exposure (10 UV index)
- Moderate breeze (15 mph wind)
- Sunrise at 7:30 AM, sunset at 7:48 PM
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Friday, March 27

- High of 89 °F, low of 63 °F (42% humidity)
- Mostly cloudy with a 0% chance of rain
- Very high risk of harm from sun exposure (10 UV index)
- Fresh breeze (21 mph wind)
- Sunrise at 7:29 AM, sunset at 7:49 PM
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Saturday, March 28

- High of 75 °F, low of 55 °F (52% humidity)
- Overcast with a 0% chance of rain
- Very high risk of harm from sun exposure (10 UV index)
- Fresh breeze (19 mph wind)
- Sunrise at 7:28 AM, sunset at 7:49 PM
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6 / 6
Witaya Proadtayakogool // Shutterstock

Sunday, March 29

- High of 81 °F, low of 53 °F (47% humidity)
- Sunny with a 0% chance of rain
- Very high risk of harm from sun exposure (10 UV index)
- Moderate breeze (14 mph wind)
- Sunrise at 7:26 AM, sunset at 7:50 PM

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