Weather in Karnes City, TX
Updated 2026-08-11 12:00 local time · ZIP codes 78118
Partly cloudy
No government weather alerts were returned for this location at the latest update.
Next hours
91°2% rain
100°2% rain101°1% rain102°1% rain100°2% rain100°1% rain97°1% rain93°1% rain88°3% rain
85°4% rain83°7% rain82°8% 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 8%).
It feels like 96°F with winds near 13 mph.
91°F, 2% rain chance and 13 mph wind.
Visibility is around 10 mi; gusts may reach 25 mph.
Current temperature is 91°F, wind 13 mph, rain chance up to 8%.
UV index is 9. Use shade, sunscreen, a hat and sunglasses.
Karnes City weather today
Partly cloudy and 91°F in Karnes City, TX. Today's high is 102°F with a 5% rain chance. Winds are around 13 mph with gusts near 15 mph. Relative humidity is 56%, pressure is 30.07 inHg, and visibility is about 10 miles.
Tonight and tomorrow in Karnes City
Sunrise is at 06:58 AM and sunset is at 08:15 PM. Tomorrow's forecast calls for Sunny with a high near 103°F and a low near 78°F. The maximum rain chance is 4%.