7-Day Weather Forecast

San Antonio 7-Day Weather Forecast

San Antonio

Jul 31 – Aug 6, 2026 as of 17:31

Week at a glance

Week high +39°C +102°F Fri, 31 Jul

Week low +21°C +70°F Mon, 3 Aug

Days with rain chance 6 Wed, 5 Aug · 74%

Avg. high +34°C +93°F

San Antonio — 7-Day Weather Forecast

Weather FAQ for San Antonio

What is the temperature in San Antonio?

The temperature in San Antonio is +39°C.

What does it feel like in San Antonio?

It feels like +24°C in San Antonio.

What are the high and low in San Antonio?

The high is +39°C and the low is +24°C in San Antonio.

What is the chance of rain in San Antonio?

There is a 0% chance of precipitation in San Antonio.

How windy is it in San Antonio?

Winds are around 5.6 m/s from the NW in San Antonio.

What is the UV index in San Antonio?

The UV index is 9 in San Antonio.

San Antonio weather forecast day by day

Next 7 days in San Antonio with daily highs, lows, rain chance and wind.

Friday, 31 July weather in San Antonio

On Friday, 31 July, the San Antonio forecast calls for Clear, with a high near 39°C and a low around 24°C (feeling like 40°C). UV index peaks near 9 — sun protection is advised. Typical daytime humidity is around 27%.

Saturday, 1 August weather in San Antonio

On Saturday, 1 August, the San Antonio forecast calls for Overcast, with a high near 39°C and a low around 26°C (feeling like 40°C). UV index peaks near 9 — sun protection is advised. Typical daytime humidity is around 28%.

Sunday, 2 August weather in San Antonio

On Sunday, 2 August, the San Antonio forecast calls for Rainy, with a high near 34°C and a low around 23°C (feeling like 36°C). About 1.4 mm of precipitation is expected. UV index peaks near 9 — sun protection is advised. Typical daytime humidity is around 33%.

Monday, 3 August weather in San Antonio

On Monday, 3 August, the San Antonio forecast calls for Rainy, with a high near 32°C and a low around 21°C (feeling like 34°C). About 0.2 mm of precipitation is expected. UV index peaks near 9 — sun protection is advised. Typical daytime humidity is around 43%.

Tuesday, 4 August weather in San Antonio

On Tuesday, 4 August, the San Antonio forecast calls for Overcast, with a high near 31°C and a low around 21°C (feeling like 33°C). UV index peaks near 9 — sun protection is advised. Typical daytime humidity is around 42%.

Wednesday, 5 August weather in San Antonio

On Wednesday, 5 August, the San Antonio forecast calls for Rainy, with a high near 32°C and a low around 22°C (feeling like 34°C). About 0.3 mm of precipitation is expected. UV index peaks near 8 — sun protection is advised. Typical daytime humidity is around 36%.

Thursday, 6 August weather in San Antonio

On Thursday, 6 August, the San Antonio forecast calls for Rainy, with a high near 31°C and a low around 21°C (feeling like 31°C). About 0.3 mm of precipitation is expected. UV index peaks near 8 — sun protection is advised. Typical daytime humidity is around 38%.