National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Seguin - Randolph AFB Auxiliary Field (KSEQ)

Lat: 29.57°NLon: 97.91°WElev: 525ft.

Mostly Cloudy

101°F

38°C

Humidity 31%
Wind Speed W 6 mph
Barometer 29.83 in (1009.5 mb)
Dewpoint 65°F (18°C)
Visibility 10.00 mi
Heat Index105°F (41°C)
Last update 19 Sep 5:55 pm CDT
Extended Forecast for

Seguin TX

  • Tonight

    Tonight: Partly cloudy, with a low around 73. South southeast wind 5 to 10 mph becoming light south after midnight.

    Low: 73 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny and hot, with a high near 99. Heat index values as high as 102. Calm wind becoming south southwest around 5 mph.

    High: 99 °F

    Hot

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 75. South southeast wind around 5 mph becoming calm after midnight.

    Low: 75 °F

    Partly Cloudy

  • Monday

    Monday: Mostly cloudy, then gradually becoming sunny and hot, with a high near 99. Heat index values as high as 104. Calm wind becoming east southeast around 5 mph in the afternoon.

    High: 99 °F

    Hot

  • Monday Night

    Monday Night: A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am. Mostly clear, with a low around 75. Southeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 20%.

    Low: 75 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Tuesday

    Tuesday: Sunny and hot, with a high near 99. Light and variable wind becoming east 5 to 10 mph in the afternoon.

    High: 99 °F

    Hot

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 75. East wind 5 to 10 mph becoming light and variable in the evening.

    Low: 75 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny and hot, with a high near 99. North wind 5 to 10 mph becoming east in the afternoon.

    High: 99 °F

    Hot

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 75. East wind 5 to 10 mph becoming light east southeast in the evening.

    Low: 75 °F

    Partly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 73. South southeast wind 5 to 10 mph becoming light south after midnight.
Sunday
Mostly sunny and hot, with a high near 99. Heat index values as high as 102. Calm wind becoming south southwest around 5 mph.
Sunday Night
Partly cloudy, with a low around 75. South southeast wind around 5 mph becoming calm after midnight.
Monday
Mostly cloudy, then gradually becoming sunny and hot, with a high near 99. Heat index values as high as 104. Calm wind becoming east southeast around 5 mph in the afternoon.
Monday Night
A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am. Mostly clear, with a low around 75. Southeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 20%.
Tuesday
Sunny and hot, with a high near 99. Light and variable wind becoming east 5 to 10 mph in the afternoon.
Tuesday Night
Partly cloudy, with a low around 75. East wind 5 to 10 mph becoming light and variable in the evening.
Wednesday
Mostly sunny and hot, with a high near 99. North wind 5 to 10 mph becoming east in the afternoon.
Wednesday Night
Partly cloudy, with a low around 75. East wind 5 to 10 mph becoming light east southeast in the evening.
Thursday
Mostly sunny, with a high near 98.
Thursday Night
Partly cloudy, with a low around 74.
Friday
Mostly sunny, with a high near 98.
Friday Night
Partly cloudy, with a low around 73.
Saturday
Mostly sunny, with a high near 98.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Seguin TX
 29.58°N 97.98°W (Elev. 531 ft)
Last Update:
5:32 pm CDT Sep 19, 2026
Forecast Valid:
6pm CDT Sep 19, 2026-6pm CDT Sep 26, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation