Weather in San Isidro, TX
Updated 2026-09-26 10:15 local time · ZIP codes 78588
Overcast
No government weather alerts were returned for this location at the latest update.
Next hours
84°17% rain
87°17% rain90°11% rain92°9% rain94°8% rain
95°2% rain
96°4% rain97°9% rain93°10% rain89°12% rain
86°12% rain84°16% rain3-day weather forecast
Weather details
Sunrise, sunset and moon
Key weather changes ahead
Weather insights for today
Rain chance stays relatively low over the next 12 hours (up to 17%).
It feels like 89°F with winds near 9 mph.
84°F, 17% rain chance and 9 mph wind.
Visibility is around 6 mi; gusts may reach 28 mph.
Current temperature is 84°F, wind 9 mph, rain chance up to 17%.
UV index is 3.
Local weather characteristics in San Isidro
Texas spans several climate zones, from humid Gulf Coast areas to dry western deserts and the High Plains. Heat, severe thunderstorms, tropical systems and winter cold outbreaks can all affect different parts of the state.
San Isidro is part of the South weather region. The forecast point is near 26.74°N latitude and 98.40°W longitude. Local temperature, wind and precipitation can still differ from nearby places, especially where terrain, coastlines or urban development create small-scale weather changes.
San Isidro weather today
Overcast and 84°F in San Isidro, TX. Today's high is 97°F with a 17% rain chance. Winds are around 9 mph with gusts near 11 mph. Relative humidity is 69%, pressure is 29.98 inHg, and visibility is about 6 miles.
Tonight and tomorrow in San Isidro
Sunrise is at 07:23 AM and sunset is at 07:25 PM. Tomorrow's forecast calls for Overcast with a high near 96°F and a low near 78°F. The maximum rain chance is 9%.