Weather in Marathon, TX
Updated 2026-09-26 11:45 local time · ZIP codes 79842

Sunny
No government weather alerts were returned for this location at the latest update.
Next hours
77°3% rain
82°1% rain
84°1% rain
86°17% rain
86°17% rain
85°17% rain
82°6% rain
77°17% rain
72°9% rain
72°13% rain
73°15% rain
71°59% rain3-day weather forecast



Weather details
Sunrise, sunset and moon
Key weather changes ahead
Weather insights for today
Rain chance reaches about 59% over the next 12 hours.
It feels like 76°F with winds near 7 mph.
72°F, 9% rain chance and 9 mph wind.
Visibility is around 6 mi; gusts may reach 20 mph.
Current temperature is 77°F, wind 7 mph, rain chance up to 59%.
UV index is 3. Sunscreen and sunglasses are sensible for longer outdoor time.
Local weather characteristics in Marathon
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.
Marathon is part of the South weather region. The forecast point is near 30.20°N latitude and 103.24°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.
Marathon weather today
Sunny and 77°F in Marathon, TX. Today's high is 86°F with a 57% rain chance. Winds are around 7 mph with gusts near 9 mph. Relative humidity is 54%, pressure is 30.00 inHg, and visibility is about 6 miles.
Tonight and tomorrow in Marathon
Sunrise is at 07:43 AM and sunset is at 07:45 PM. Tomorrow's forecast calls for Overcast with a high near 85°F and a low near 68°F. The maximum rain chance is 59%.