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Tomorrow
🌧️ Chance of rain
💧 Humidity
💨 Wind
☀️ Max UV
Tomorrow's live forecast and 7-day outlook for San Antonio, United States
Loading live forecast for San Antonio…
See tomorrow's weather for San Antonio, United States — the forecast high and low temperature, the chance of rain, wind and humidity, plus a full 7-day outlook. Everything updates live from Open-Meteo, so you always get the latest picture for San Antonio.
San Antonio has a subtropical climate, with long, hot summers and mild, short winters. Heat combined with humidity often makes the afternoon feel hotter than the thermometer suggests, and a good share of the year's rain can fall in sharp, heavy bursts. Checking tomorrow's forecast helps you judge both the temperature and the chance of a sudden shower.
Knowing whether it will rain in San Antonio tomorrow makes it easier to plan a commute, a day out or an outdoor event without being caught out.
On average, San Antonio's warmest month is August (around 37°C) and its coolest is January (around 16°C). The wettest month is typically May.
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The "Chance of rain" figure on this page shows tomorrow's rain probability for San Antonio, taken from a live Open-Meteo forecast. The higher the percentage, the more likely rain is — and the 7-day outlook shows how the following days are shaping up.
Tomorrow's forecast high and low for San Antonio are shown at the top of the page in degrees Celsius, together with a "feels like" value and the wind speed in kilometres per hour (km/h).
The forecast comes from Open-Meteo, which combines leading weather models such as ECMWF and GFS. New model runs are published several times a day, so the San Antonio forecast is refreshed every few hours.