Downtown (San Antonio) Weather Forecast
- 74
- 94
Mostly Cloudy
- 69
- 89
Slight Chance Thunderstorms
- 69
- 84
Rain Showers Likely
- 56
- 80
Thunderstorms Likely
- 51
- 70
Partly Sunny
- 56
- 77
Partly Sunny
Today 28 Apr Bexar
Cloudy this Morning, then becoming partly cloudy. Highs in the lower 90s. South Winds 10 to 15 Mph. Highest heat index Readings up to 105 this afternoon.
Tonight 28 Apr Bexar
Partly cloudy in the Evening, then becoming mostly cloudy. Lows in the lower 70s. Southeast Winds 5 to 10 Mph.
Downtown (San Antonio) Temperature Statistics
April Temperature
San Antonio, Stinson Municipal Airport (6.2 miles)
Lowest 7 April, 2026
48.7 °FAverage April
73.8 °FHighest 1 April, 2026
92.6 °F
Climate (2021–Present)
San Antonio, Stinson Municipal Airport (6.2 miles)
Average Low 2021–2026
63 °FAverage 2021–2026
73.7 °FAverage High 2021–2026
85.2 °F