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 94 °F on Sunday, while the low is 65 °F on Monday. There is expected to be 1 sunny day and rain on 3 days this week.

There are currently no weather alerts.

Monday, May 11

- High of 78 °F, low of 65 °F (56% humidity)
- Partly cloudy with a 100% chance of rain (5 mm of rain)
- Very high risk of harm from sun exposure (10 UV index)
- Fresh breeze (19 mph wind)
- Sunrise at 6:44 AM, sunset at 8:16 PM
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Stepan Bessmelnitsin // Shutterstock

Tuesday, May 12

- High of 88 °F, low of 67 °F (46% humidity)
- Partly cloudy with a 0% chance of rain
- Very high risk of harm from sun exposure (10 UV index)
- Gentle breeze (8 mph wind)
- Sunrise at 6:43 AM, sunset at 8:17 PM
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Wednesday, May 13

- High of 90 °F, low of 68 °F (43% humidity)
- Sunny with a 0% chance of rain
- Very high risk of harm from sun exposure (10 UV index)
- Gentle breeze (9 mph wind)
- Sunrise at 6:42 AM, sunset at 8:17 PM
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Thursday, May 14

- High of 90 °F, low of 67 °F (41% humidity)
- Overcast with a 0% chance of rain
- Very high risk of harm from sun exposure (9 UV index)
- Moderate breeze (16 mph wind)
- Sunrise at 6:42 AM, sunset at 8:18 PM
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Friday, May 15

- High of 90 °F, low of 70 °F (45% humidity)
- Overcast with a 0% chance of rain
- Very high risk of harm from sun exposure (10 UV index)
- Moderate breeze (18 mph wind)
- Sunrise at 6:41 AM, sunset at 8:19 PM
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Saturday, May 16

- High of 87 °F, low of 72 °F (65% humidity)
- Overcast with a 100% chance of rain (1 mm of rain)
- Very high risk of harm from sun exposure (10 UV index)
- Moderate breeze (16 mph wind)
- Sunrise at 6:41 AM, sunset at 8:19 PM
- New moon
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Sunday, May 17

- High of 94 °F, low of 72 °F (60% humidity)
- Overcast with a 100% chance of rain (0 mm of rain)
- Very high risk of harm from sun exposure (10 UV index)
- Moderate breeze (17 mph wind)
- Sunrise at 6:40 AM, sunset at 8:20 PM

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