San Antonio

Current Weather

21°70°

Humid and Overcast

Feels Like: 20°68°

Min: 19°66°

Max: 27°80°

The next few hours will be partly cloudy, with tomorrow reaching 26°C and dropping to 20°C. The coming days will be light rain throughout the day and possible thunderstorms in the afternoon.

Hourly Forecast
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Air Quality
44
Good

Air quality is satisfactory, and air pollution poses little or no risk.

GoodHazardous
Daylight Hours

05:46

Sunrise

17:29

Sunset

11 hours 43 minutes of sunlight today
Moon

06:26

Moonrise

Daily Forecast

Sunday

19°66°
27°80°

Today

20°68°
26°79°

Tuesday

20°68°
28°82°

Wednesday

20°67°
25°78°

Thursday

19°66°
26°79°

Friday

19°66°
26°79°

Saturday

20°67°
23°73°

Sunday

19°66°
27°81°

Monday

18°65°
27°80°

Tuesday

18°65°
25°77°
UV Index
No protection needed
0Low
LowExtreme
Humidity
96%Very Humid
LowHigh
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Weather in San Antonio tomorrow, October 12, 2026

San Antonio starts October 12, 2026 looking damp, with rain in the forecast and wetter spells likely at times. Waterproof kit is the safer call for early plans. The morning carries the wetter risk, with rain chances near 70% and the highest odds around 10:00. Cloud is also thick early on, peaking near 88% around 11:00.San Antonio starts October 12, 2026 looking damp, with rain in the forecast and wetter spells likely at times. Waterproof kit is the safer call for early plans. The morning carries the wetter risk, with rain chances near 70% and the highest odds around 10:00. Cloud is also thick early on, peaking near 88% around 11:00.

The day peaks near 26°C and cools toward 20°C. The air stays humid, with relative humidity between 68% and 98% and the peak around 00:00. Expect gentle winds, highest near 12:00 at 9 km/h.The day peaks near 79°F and cools toward 68°F. The air stays humid, with relative humidity between 68% and 98% and the peak around 00:00. Expect gentle winds, highest near 12:00 at 6 mph.

Through the afternoon wet weather remains a factor, with rain chances near 100% around 13:00. Cloud also stays substantial, close to 89% near 16:00. Visibility holds near 15.9 km, though it can fall to 12.5 km. Expect sunrise at 05:46, sunset at 17:29, and 11 hours 43 minutes of sunlight today overall.Through the afternoon wet weather remains a factor, with rain chances near 100% around 13:00. Cloud also stays substantial, close to 89% near 16:00. Visibility holds near 9.9 mi, though it can fall to 7.8 mi. Expect sunrise at 05:46, sunset at 17:29, and 11 hours 43 minutes of sunlight today overall.

Taken together, San Antonio looks wet enough on October 12, 2026 that flexible outdoor plans work best, with temperatures peaking near 26°C.Taken together, San Antonio looks wet enough on October 12, 2026 that flexible outdoor plans work best, with temperatures peaking near 79°F.

Frequently asked questions about weather in San Antonio

How warm does it get in San Antonio?

The warmest month in San Antonio is March, with average high temperatures of 32°C. The average temperature during this period is around 24°C.The warmest month in San Antonio is March, with average high temperatures of 89°F. The average temperature during this period is around 76°F.

How cold does it get in San Antonio?

The coldest month in San Antonio is January, with average low temperatures of 17°C. The average temperature during this period is around 22°C.The coldest month in San Antonio is January, with average low temperatures of 63°F. The average temperature during this period is around 71°F.

What is the wettest time of year in San Antonio?

The wettest month in San Antonio is September, with an average of 344 mm of precipitation.The wettest month in San Antonio is September, with an average of 13.6 in of precipitation.

What is the driest time of year in San Antonio?

The driest month in San Antonio is February, with an average of 3 mm of precipitation.The driest month in San Antonio is February, with an average of 0.1 in of precipitation.

View full climate insights for San Antonio →