San Antonio 7-day weather forecast

Written by:
September 8, 2025
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 98 °F on Thursday, while the low is 70 °F on Monday. There are expected to be 7 sunny days and precipitation on 0 days this week.

There are currently no weather alerts.

Monday, September 8

- High of 90 °F, low of 70 °F (37% humidity)
- Sunny with a 0% chance of rain
- Very high risk of harm from sun exposure (8 UV index)
- Gentle breeze (11 mph wind)
- Sunrise at 7:15 AM, sunset at 7:48 PM
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1 / 6
Witaya Proadtayakogool // Shutterstock

Tuesday, September 9

- High of 95 °F, low of 72 °F (31% 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 7:15 AM, sunset at 7:46 PM
2 / 6
LeManna // Shutterstock

Wednesday, September 10

- High of 96 °F, low of 72 °F (23% humidity)
- Sunny with a 0% chance of rain
- Very high risk of harm from sun exposure (10 UV index)
- Gentle breeze (12 mph wind)
- Sunrise at 7:16 AM, sunset at 7:45 PM
3 / 6
South12th Photography // Shutterstock

Thursday, September 11

- High of 98 °F, low of 73 °F (36% humidity)
- Sunny with a 0% chance of rain
- Very high risk of harm from sun exposure (10 UV index)
- Moderate breeze (16 mph wind)
- Sunrise at 7:16 AM, sunset at 7:44 PM
4 / 6
Maxim Grohotov // Shutterstock

Friday, September 12

- High of 97 °F, low of 74 °F (36% humidity)
- Sunny with a 0% chance of rain
- Very high risk of harm from sun exposure (10 UV index)
- Moderate breeze (13 mph wind)
- Sunrise at 7:17 AM, sunset at 7:43 PM
5 / 6
Pablesku // Shutterstock

Saturday, September 13

- High of 97 °F, low of 73 °F (29% humidity)
- Sunny with a 0% chance of rain
- Very high risk of harm from sun exposure (10 UV index)
- Moderate breeze (15 mph wind)
- Sunrise at 7:17 AM, sunset at 7:41 PM
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6 / 6
GP PIXSTOCK // Shutterstock

Sunday, September 14

- High of 98 °F, low of 73 °F (28% humidity)
- Sunny with a 0% chance of rain
- Very high risk of harm from sun exposure (10 UV index)
- Moderate breeze (18 mph wind)
- Sunrise at 7:18 AM, sunset at 7:40 PM
- Last quarter moon

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