Schertz Weather Forecast
- 76
- 99
Hot
- 77
- 98
Hot
- 75
- 96
Chance Thunderstorms
- 74
- 96
Mostly Sunny
- 75
- 95
Mostly Sunny
- 75
- 96
Partly Sunny
- 74
- 95
Slight Chance Thunderstorms
Today 15 Sep Guadalupe
Mostly sunny. Hot with Highs around 100. South Winds 10 to 15 Mph.
Tonight 15 Sep Guadalupe
Mostly clear. Lows in the mid 70s. Southeast Winds 10 to 15 Mph with Gusts up to 25 Mph, becoming south around 5 Mph after midnight.
Schertz Temperature Statistics
September Temperature
Randolph Air Force Base (1.2 miles)
Lowest 11 September, 2026
75.7 °FAverage September
87.1 °FHighest 11 September, 2026
103.6 °F
Climate (2021–2026)
Randolph Air Force Base (1.2 miles)
Average Low 2021–2026
61.5 °FAverage 2021–2026
71.9 °FAverage High 2021–2026
83.2 °F