San Antonio weather for today, tomorrow and the next 14 days, compared across three independent forecast sources so you can see where they agree before you plan your day. Right now it is 13°C and mostly sunny in San Antonio. Tomorrow's forecast: highs of 28°C, lows of 13°C.
Sources: Open-Meteo, OpenWeather, WeatherAPI · Updated every 12 hours
San AntonioUnited States
Updated 08:34 AM
Mostly Sunny
Feels like 12°
Forecast Comparison
See how independent weather sources forecast the same location right now.
Forecast agreement
Sources are closely alignedTemperature range
13° – 14°
Rain probability
0% – 4%
Wind speed
0 km/h – 9 km/h
Temperature by provider
Hourly forecast
16-day forecast
Rain forecast
Precipitation probability: 0%Hourly precipitation timeline
Wind
Direction: N
Current wind
0 km/h
Gusts
0 km/h
Hourly wind
Daily wind
Weather alerts
No active weather alerts.
Weather map
San Antonio this time of year
- It's one of the sunniest months here, with cloud cover around 40%.
- Temperatures are falling — expect highs around 6°C lower by November.
- Afternoons and nights feel like different seasons, roughly 13°C apart.
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San Antonio weather overview: climate, seasons and what to expect
San Antonio, in Texas, United States, sits at approximately 29.42°N, 98.49°W and is home to about 1,470,000 people. This page compares forecasts from three independent weather providers — Open-Meteo, OpenWeather and WeatherAPI — so you can see at a glance where they agree and where they differ. The data refreshes every 12 hours via ISR.
Climate-wise, San Antonio has a humid subtropical climate: hot, humid summers and mild winters. Expect the most heat in August (about 37°C by day) and the chilliest nights in January (around 4°C). Most rain falls in May, roughly 131 mm. The nearest places with their own forecast page are Austin (118 km), Corpus Christi (210 km) and Nuevo Laredo (239 km).
Frequently asked questions
- What is the weather in San Antonio today?
- Right now San Antonio shows mostly sunny conditions at around 13°C (feels like 12°C), based on OpenWeatherMap. The chance of rain today is about 0%. Compare this with the other sources above for a fuller picture.
- What is the weather in San Antonio tomorrow?
- Tomorrow in San Antonio: expect a high of 28°C and a low of 13°C, with a 0% chance of rain. See the hourly breakdown above for more detail.
- Will it rain in San Antonio today?
- The precipitation probability for San Antonio is around 0% according to OpenWeatherMap. Check the Rain forecast section for the hour-by-hour breakdown and compare with other sources.
- What is the 14-day forecast for San Antonio?
- The 14-day forecast above shows daily highs, lows and rain probability for San Antonio from multiple sources; compare them to see how confident the outlook is.
Nearby cities
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Highs 21° – 38°C (warmest in Aug, coolest in Jan)
Highs 17° – 36°C (warmest in Aug, coolest in Jan)
Highs 22° – 37°C (warmest in Aug, coolest in Jan)
Highs 14° – 37°C (warmest in Aug, coolest in Jan)
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