Schertz Weather Forecast

    • 77
    • 99

    Hot

    • 76
    • 94

    Slight Chance Thunderstorms

    • 75
    • 95

    Chance Thunderstorms

    • 76
    • 96

    Slight Chance Thunderstorms

    • 75
    • 96

    Slight Chance Thunderstorms

    • 75
    • 95

    Slight Chance Thunderstorms

Today 3 Sep Guadalupe

Partly cloudy. Hot. Near steady temperature in the upper 90s. Southeast Winds 10 to 15 Mph. Highest heat index Readings up to 107.

Tonight 3 Sep Guadalupe

Partly cloudy. Lows in the mid 70s. Southeast Winds 10 to 15 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Schertz Temperature Statistics

September Temperature

Randolph Air Force Base (1.2 miles)

  • Lowest 1 September, 2026

    76.6 °F

  • Average September

    87.4 °F

  • Highest 1 September, 2026

    99.5 °F

Climate (2021–2026)

Randolph Air Force Base (1.2 miles)

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  • Average Low 2021–2026

    61.4 °F

  • Average 2021–2026

    71.9 °F

  • Average High 2021–2026

    83.2 °F
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