Weather in Port Lavaca, TX
Updated 2026-09-26 09:00 local time · ZIP codes 77979
Overcast
No government weather alerts were returned for this location at the latest update.
Next hours
81°14% rain85°12% rain87°11% rain89°10% rain92°10% rain93°9% rain93°10% rain
92°7% rain90°10% rain
87°3% rain83°12% rain
81°15% 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 15%).
It feels like 83°F with winds near 5 mph.
87°F, 3% rain chance and 13 mph wind.
Visibility is around 6 mi; gusts may reach 22 mph.
Current temperature is 81°F, wind 5 mph, rain chance up to 15%.
UV index is 1.
Local weather characteristics in Port Lavaca
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.
Port Lavaca is part of the South weather region. The forecast point is near 28.61°N latitude and 96.63°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.
Port Lavaca weather today
Overcast and 81°F in Port Lavaca, TX. Today's high is 93°F with a 9% rain chance. Winds are around 5 mph with gusts near 5 mph. Relative humidity is 60%, pressure is 30.00 inHg, and visibility is about 6 miles.
Tonight and tomorrow in Port Lavaca
Sunrise is at 07:17 AM and sunset is at 07:18 PM. Tomorrow's forecast calls for Overcast with a high near 93°F and a low near 77°F. The maximum rain chance is 13%.