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.
If you're planning a trip to San Antonio, aim for those months for the most comfortable daytime temperatures - and if you'd rather stay dry, steer clear of the wettest month shown above.
Planning some stargazing in San Antonio? The panel below shows tonight's moon phase, which planets are visible over San Antonio this evening (around 10 pm local time), and a live stargazing score based on tonight's cloud cover and moonlight. For the best view, get away from bright city lights and let your eyes adapt to the dark for 15-20 minutes.
Average temperatures, rainfall and what to pack in San Antonio - month by month:
Check tomorrow's weather in more cities:
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.
The stargazing score on this page combines tonight's cloud-cover forecast for San Antonio with the moon's brightness. A clear night around a new moon scores highest, while a cloudy or full-moon night scores lower.
The most comfortable months to visit San Antonio are usually February, March, April, November and December, when daytime temperatures sit in a pleasant range.