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

Hot Temperatures in the West; Heavy Rainfall and Flooding Potential in the Southwest

Hot to extremely hot temperatures are in place across coastal southern California again today and the interior Northwest U.S into Thursday, with the Pacific Northwest carrying the potential for record-breaking high temperatures. A combination of monsoonal moisture and tropical moisture ahead of tropical cyclone Lorena will bring heavy rainfall and the potential for flooding through the week. Read More >

Current conditions at

Seguin - Randolph AFB Auxiliary Field (KSEQ)

Lat: 29.57°NLon: 97.91°WElev: 525ft.

Fair

76°F

24°C

Humidity 95%
Wind Speed Calm
Barometer 29.94 in (1013.3 mb)
Dewpoint 75°F (24°C)
Visibility 9.00 mi
Heat Index75°F (24°C)
Last update 3 Sep 7:55 am CDT
Extended Forecast for

Seguin TX

  • Today

    Today: Sunny, with a high near 98. West wind around 5 mph becoming north in the afternoon.

    High: 98 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 70. North northeast wind around 5 mph becoming calm in the evening.

    Low: 70 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny and hot, with a high near 101. Calm wind becoming southwest around 5 mph.

    High: 101 °F

    Hot

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 74. East southeast wind around 5 mph becoming south after midnight.

    Low: 74 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny and hot, with a high near 100. South southwest wind around 5 mph.

    High: 100 °F

    Hot

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 74. South southeast wind 5 to 10 mph.

    Low: 74 °F

    Mostly Cloudy

  • Saturday

    Saturday: A 20 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 95. Calm wind becoming east around 5 mph in the afternoon.

    High: 95 °F

    Partly Sunny
    then Slight
    Chance
    T-storms

  • Saturday Night

    Saturday Night: A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 74. East northeast wind 5 to 10 mph becoming southeast after midnight.

    Low: 74 °F

    Slight Chance
    T-storms

  • Sunday

    Sunday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 90. East wind 5 to 10 mph. Chance of precipitation is 60%.

    High: 90 °F

    Showers
    Likely

Detailed Forecast

Today
Sunny, with a high near 98. West wind around 5 mph becoming north in the afternoon.
Tonight
Mostly clear, with a low around 70. North northeast wind around 5 mph becoming calm in the evening.
Thursday
Sunny and hot, with a high near 101. Calm wind becoming southwest around 5 mph.
Thursday Night
Partly cloudy, with a low around 74. East southeast wind around 5 mph becoming south after midnight.
Friday
Mostly sunny and hot, with a high near 100. South southwest wind around 5 mph.
Friday Night
Mostly cloudy, with a low around 74. South southeast wind 5 to 10 mph.
Saturday
A 20 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 95. Calm wind becoming east around 5 mph in the afternoon.
Saturday Night
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 74. East northeast wind 5 to 10 mph becoming southeast after midnight.
Sunday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 90. East wind 5 to 10 mph. Chance of precipitation is 60%.
Sunday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 73. Chance of precipitation is 40%.
Monday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 88.
Monday Night
A 20 percent chance of showers. Partly cloudy, with a low around 70.
Tuesday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 91.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Seguin TX
 29.58°N 97.96°W (Elev. 551 ft)
Last Update:
6:42 am CDT Sep 3, 2025
Forecast Valid:
8am CDT Sep 3, 2025-6pm CDT Sep 9, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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