Weather in Jbsa Ft Sam Houston, TX
Updated 2026-08-11 12:45 local time · ZIP codes 78234
Cloudy
No government weather alerts were returned for this location at the latest update.
Next hours
90°3% rain
98°2% rain99°1% rain103°1% rain102°1% rain99°1% rain98°1% rain93°1% rain
89°1% rain86°3% rain83°5% rain81°7% rain3-day weather forecast
Weather details
Sunrise, sunset and moon
Weather insights for today
Rain chance stays relatively low over the next 12 hours (up to 7%).
It feels like 95°F with winds near 12 mph.
96°F, 2% rain chance and 12 mph wind.
Visibility is around 10 mi; gusts may reach 27 mph.
Current temperature is 90°F, wind 12 mph, rain chance up to 7%.
UV index is 9. Use shade, sunscreen, a hat and sunglasses.
Jbsa Ft Sam Houston weather today
Cloudy and 90°F in Jbsa Ft Sam Houston, TX. Today's high is 103°F with a 4% rain chance. Winds are around 12 mph with gusts near 14 mph. Relative humidity is 56%, pressure is 30.09 inHg, and visibility is about 10 miles.
Tonight and tomorrow in Jbsa Ft Sam Houston
Sunrise is at 06:59 AM and sunset is at 08:18 PM. Tomorrow's forecast calls for Sunny with a high near 102°F and a low near 77°F. The maximum rain chance is 4%.