Kirby Weather Forecast
- 75
- 94
Rain Showers Likely
- 74
- 93
Chance Thunderstorms
- 74
- 94
Slight Chance Thunderstorms
- 75
- 97
Slight Chance Thunderstorms
- 75
- 97
Slight Chance Thunderstorms
- 75
- 96
Slight Chance Thunderstorms
Today 21 Aug Bexar
Partly cloudy. A chance of Showers with a slight chance of Thunderstorms in the Morning, then Showers likely with a chance of Thunderstorms in the afternoon. Highs in the lower 90s. North Winds around 5 Mph. Chance of rain 60 percent.
Tonight 21 Aug Bexar
Partly cloudy with a chance of Showers. A chance of Thunderstorms, mainly in the evening. Lows in the mid 70s. Northeast Winds around 5 Mph. Chance of rain 50 percent.
Kirby Temperature Statistics
August Temperature
San Antonio, San Antonio International Airport (6.2 miles)
Lowest 3 August, 2025
72.6 °FAverage August
87.8 °FHighest 14 August, 2025
102.7 °F
Climate (2020–Present)
San Antonio, San Antonio International Airport (6.2 miles)
Average Low 2020–2025
61.6 °FAverage 2020–2025
71.3 °FAverage High 2020–2025
82.5 °F