Weather in Newcastle, TX
Updated 2026-09-26 11:00 local time · ZIP codes 76372

Overcast
No government weather alerts were returned for this location at the latest update.
Next hours
83°10% rain
87°3% rain
91°6% rain
93°1% rain
94°5% rain
94°9% rain
92°8% rain
92°5% rain
91°12% rain
87°17% rain
82°30% rain
80°57% rain3-day weather forecast



Weather details
Sunrise, sunset and moon
Key weather changes ahead
Weather insights for today
Rain chance reaches about 57% over the next 12 hours.
It feels like 83°F with winds near 11 mph.
87°F, 3% rain chance and 10 mph wind.
Visibility is around 6 mi; gusts may reach 20 mph.
Current temperature is 83°F, wind 11 mph, rain chance up to 57%.
UV index is 2.
Local weather characteristics in Newcastle
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.
Newcastle is part of the South weather region. The forecast point is near 33.19°N latitude and 98.74°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.
Newcastle weather today
Overcast and 83°F in Newcastle, TX. Today's high is 94°F with a 57% rain chance. Winds are around 11 mph with gusts near 14 mph. Relative humidity is 41%, pressure is 29.98 inHg, and visibility is about 6 miles.
Tonight and tomorrow in Newcastle
Sunrise is at 07:25 AM and sunset is at 07:26 PM. Tomorrow's forecast calls for Overcast with a high near 95°F and a low near 73°F. The maximum rain chance is 24%.