Seguin Weather Forecast
- 76
- 97
Chance Rain Showers
- 76
- 97
Chance Thunderstorms
- 75
- 99
Hot
- 76
- 98
Hot
- 76
- 97
Slight Chance Thunderstorms
- 75
- 97
Chance Thunderstorms
Today 15 Aug Guadalupe
Mostly sunny this Morning, then partly cloudy with a slight chance of Showers and Thunderstorms this afternoon. Highs in the upper 90s. South Winds 10 to 15 Mph. Chance of rain 20 percent. Highest heat index Readings up to 106.
Tonight 15 Aug Guadalupe
Mostly clear in the Evening, then partly cloudy with a chance of Showers and Thunderstorms after midnight. Lows in the mid 70s. Southeast Winds 10 to 15 Mph, Diminishing to around 5 Mph after midnight. Chance of rain 30 percent.
Seguin Temperature Statistics
August Temperature
New Braunfels Regional Airport (10.6 miles)
Lowest 5 August, 2025
69.7 °FAverage August
86.3 °FHighest 2 August, 2025
101.6 °F
Climate (2020–Present)
New Braunfels Regional Airport (10.6 miles)
Average Low 2020–2025
60.4 °FAverage 2020–2025
71.4 °FAverage High 2020–2025
83.5 °F