Weather in Castroville, TX
Updated 2026-08-11 12:00 local time · ZIP codes 78009
Partly cloudy
No government weather alerts were returned for this location at the latest update.
Next hours
90°4% rain
94°2% rain96°1% rain97°1% rain97°1% rain97°1% rain95°1% rain91°1% rain87°2% rain
83°3% rain81°4% rain78°6% 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 6%).
It feels like 102°F with winds near 13 mph.
87°F, 2% rain chance and 10 mph wind.
Visibility is around 10 mi; gusts may reach 29 mph.
Current temperature is 90°F, wind 13 mph, rain chance up to 6%.
UV index is 9. Use shade, sunscreen, a hat and sunglasses.
Castroville weather today
Partly cloudy and 90°F in Castroville, TX. Today's high is 97°F with a 5% rain chance. Winds are around 13 mph with gusts near 15 mph. Relative humidity is 52%, pressure is 30.08 inHg, and visibility is about 10 miles.
Tonight and tomorrow in Castroville
Sunrise is at 07:01 AM and sunset is at 08:19 PM. Tomorrow's forecast calls for Sunny with a high near 101°F and a low near 74°F. The maximum rain chance is 3%.