Downtown (San Antonio) Weather Forecast
- 73
- 90
Mostly Cloudy
- 75
- 91
Mostly Cloudy
- 75
- 91
Partly Sunny
- 74
- 89
Chance Thunderstorms
- 73
- 90
Slight Chance Thunderstorms
- 73
- 88
Chance Thunderstorms
- 74
- 87
Chance Thunderstorms
Today 30 May Bexar
Mostly cloudy. Highs around 90. South Winds 5 to 10 Mph.
Tonight 30 May Bexar
Mostly cloudy in the Evening, then becoming partly cloudy. Lows in the lower 70s. Southeast Winds 5 to 10 Mph.
Downtown (San Antonio) Temperature Statistics
May Temperature
San Antonio, Stinson Municipal Airport (6.2 miles)
Lowest 2 May, 2026
53.7 °FAverage May
75.8 °FHighest 18 May, 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