See exactly when rain will start and stop with a minute-by-minute precipitation nowcast for the next hour.
Compare today's weather with yesterday's data and track temperature trends over time.
Hourly Forecast
Daylight Hours
07:48
Sunrise
19:34
Sunset
Moon
Waxing Crescent
09:22
Moonrise
22:27
Moonset
Daily Forecast
Today
Tuesday
Wednesday
Thursday
Friday
Saturday
Sunday
Monday
Tuesday
Wednesday
Air Quality Data Available
Upgrade to access real-time air quality data for San Antonio.
Resources
UV Index
Humidity
Weather in San Antonio today, September 14, 2026
San Antonio looks cloudy on September 14, 2026, with grey skies for much of the day. Sunshine stays limited, so the overall tone is muted from the morning onward.
Expect highs of 22°C and cooler readings close to 10°C. The air stays humid, with relative humidity between 58% and 92% and the peak around 21:00. Winds stay light, near 2.9 km/h by 16:00, so the day feels still more than breezy.
The afternoon keeps an overcast feel, as cloud reaches about 66% around 21:00. Outdoor plans may still want a flexible backup. Horizontal visibility holds close to 16.1 km. Expect sunrise at 07:48, sunset at 19:34, and 11 hours 46 minutes of sunlight today overall.
The practical takeaway for San Antonio on September 14, 2026 is a cloudy day that stays usable, just not particularly bright, around 22°C.
Frequently asked questions about weather in San Antonio
How warm does it get in San Antonio?
The warmest month in San Antonio is February, with average high temperatures of 21°C. The average temperature during this period is around 17°C.
How cold does it get in San Antonio?
The coldest month in San Antonio is July, with average low temperatures of 7°C. The average temperature during this period is around 10°C.
What is the wettest time of year in San Antonio?
The wettest month in San Antonio is June, with an average of 104mm of precipitation.
What is the driest time of year in San Antonio?
The driest month in San Antonio is February, with an average of 0mm of precipitation.
Explore more weather forecasts
- Cartagena, Región de Valparaíso
- Santiago, Región Metropolitana
- Valparaíso, Región de Valparaíso
- Puente Alto, Región Metropolitana
- Quilpué, Región de Valparaíso
- Antofagasta, Región de Antofagasta
- Viña del Mar, Región de Valparaíso
- Villa Alemana, Región de Valparaíso
- Limache, Región de Valparaíso
- Talcahuano, Región del Biobío
- Quillota, Región de Valparaíso
- San Bernardo, Región Metropolitana
- Llaillay, Región de Valparaíso
- Puerto Montt, Región de los Lagos