San Antonio 7-day weather forecast

Stacker created the forecast for San Antonio, Texas using data from OpenWeather. This week's high is 103 °F on Monday, while the low is 76 °F on Sunday. There are expected to be 4 sunny days and rain on 2 days this week.

There are currently no weather alerts.

Monday, September 7

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1 / 6

Tuesday, September 8

- High of 99 °F, low of 77 °F (37% 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 7:15 AM, sunset at 7:48 PM

South12th Photography // Shutterstock

2 / 6

Wednesday, September 9

- High of 100 °F, low of 78 °F (39% humidity)
- Partly cloudy with a 0% chance of rain
- Very high risk of harm from sun exposure (10 UV index)
- Moderate breeze (14 mph wind)
- Sunrise at 7:15 AM, sunset at 7:47 PM

Piyawat Nandeenopparit // Shutterstock

3 / 6

Thursday, September 10

- High of 100 °F, low of 78 °F (36% humidity)
- Fair with a 74% chance of rain (1 mm of rain)
- Very high risk of harm from sun exposure (10 UV index)
- Gentle breeze (10 mph wind)
- Sunrise at 7:16 AM, sunset at 7:45 PM
- New moon

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4 / 6

Friday, September 11

- High of 103 °F, low of 78 °F (28% humidity)
- Partly cloudy with a 100% chance of rain (5 mm 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

afoto6267 // Shutterstock

5 / 6

Saturday, September 12

- High of 102 °F, low of 78 °F (34% humidity)
- Mostly 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 7:17 AM, sunset at 7:43 PM

Maxim Grohotov // Shutterstock

6 / 6

Sunday, September 13

- High of 103 °F, low of 76 °F (37% humidity)
- Partly cloudy with a 0% chance of rain
- Very high risk of harm from sun exposure (10 UV index)
- Fresh breeze (20 mph wind)
- Sunrise at 7:17 AM, sunset at 7:42 PM