Weather in Mertens, TX
Updated 2026-09-26 11:00 local time · ZIP codes 76666
Overcast
No government weather alerts were returned for this location at the latest update.
Next hours
82°10% rain85°10% rain86°9% rain87°9% rain88°9% rain90°9% rain
91°1% rain90°1% rain88°1% rain
84°1% rain82°1% rain81°1% 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 10%).
It feels like 81°F with winds near 9 mph.
84°F, 1% rain chance and 9 mph wind.
Visibility is around 6 mi; gusts may reach 19 mph.
Current temperature is 82°F, wind 9 mph, rain chance up to 10%.
UV index is 4. Sunscreen and sunglasses are sensible for longer outdoor time.
Local weather characteristics in Mertens
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.
Mertens is part of the South weather region. The forecast point is near 32.06°N latitude and 96.90°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.
Mertens weather today
Overcast and 82°F in Mertens, TX. Today's high is 91°F with a 7% rain chance. Winds are around 9 mph with gusts near 10 mph. Relative humidity is 42%, pressure is 30.02 inHg, and visibility is about 6 miles.
Tonight and tomorrow in Mertens
Sunrise is at 07:18 AM and sunset is at 07:19 PM. Tomorrow's forecast calls for Overcast with a high near 94°F and a low near 74°F. The maximum rain chance is 42%.