Weather in Grandfalls, TX
Updated 2026-08-11 12:45 local time · ZIP codes 79742

Sunny
No government weather alerts were returned for this location at the latest update.
Next hours
95°1% rain
101°0% rain
102°0% rain
103°0% rain
102°1% rain
102°0% rain
100°1% rain
97°1% rain
93°0% rain
90°1% rain
88°1% rain
88°1% 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 1%).
It feels like 99°F with winds near 17 mph.
99°F, 0% rain chance and 15 mph wind.
Visibility is around 10 mi; gusts may reach 32 mph.
Current temperature is 95°F, wind 17 mph, rain chance up to 1%.
UV index is 9. Use shade, sunscreen, a hat and sunglasses.
Grandfalls weather today
Sunny and 95°F in Grandfalls, TX. Today's high is 103°F with a 1% rain chance. Winds are around 17 mph with gusts near 19 mph. Relative humidity is 32%, pressure is 30.06 inHg, and visibility is about 10 miles.
Tonight and tomorrow in Grandfalls
Sunrise is at 07:14 AM and sunset is at 08:38 PM. Tomorrow's forecast calls for Sunny with a high near 104°F and a low near 79°F. The maximum rain chance is 57%.