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 52 °F on Monday. There are expected to be 0 sunny days and rain on 7 days this week.

There are currently no weather alerts.

Monday, April 20

- High of 59 °F, low of 52 °F (91% humidity)
- Overcast with a 100% chance of rain (13 mm of rain)
- Moderate breeze (13 mph wind)
- Sunrise at 7:02 AM, sunset at 8:03 PM
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1 / 6
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Tuesday, April 21

- High of 66 °F, low of 59 °F (98% humidity)
- Overcast with a 100% chance of rain (10 mm of rain)
- Gentle breeze (11 mph wind)
- Sunrise at 7:01 AM, sunset at 8:03 PM
2 / 6
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Wednesday, April 22

- High of 80 °F, low of 65 °F (68% humidity)
- Overcast with a 100% chance of rain (2 mm of rain)
- Very high risk of harm from sun exposure (8 UV index)
- Gentle breeze (9 mph wind)
- Sunrise at 7:00 AM, sunset at 8:04 PM
3 / 6
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Thursday, April 23

- High of 88 °F, low of 66 °F (55% humidity)
- Overcast with a 100% chance of rain (2 mm of rain)
- Very high risk of harm from sun exposure (10 UV index)
- Gentle breeze (12 mph wind)
- Sunrise at 6:59 AM, sunset at 8:05 PM
- First quarter moon
4 / 6
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Friday, April 24

- High of 91 °F, low of 70 °F (64% humidity)
- Overcast with a 100% chance of rain (4 mm of rain)
- Very high risk of harm from sun exposure (10 UV index)
- Gentle breeze (11 mph wind)
- Sunrise at 6:58 AM, sunset at 8:05 PM
5 / 6
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Saturday, April 25

- High of 93 °F, low of 70 °F (61% humidity)
- Mostly cloudy with a 100% chance of rain (2 mm of rain)
- Very high risk of harm from sun exposure (10 UV index)
- Moderate breeze (17 mph wind)
- Sunrise at 6:57 AM, sunset at 8:06 PM
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6 / 6
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Sunday, April 26

- High of 94 °F, low of 69 °F (53% humidity)
- Partly cloudy with a 100% chance of rain (0 mm of rain)
- Very high risk of harm from sun exposure (10 UV index)
- Gentle breeze (11 mph wind)
- Sunrise at 6:56 AM, sunset at 8:06 PM

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