Weather in Katy, TX
Updated 2026-09-26 08:00 local time · ZIP codes 77449, 77450, 77493, 77494
Overcast
No government weather alerts were returned for this location at the latest update.
Next hours
74°14% rain78°12% rain82°11% rain
85°6% rain89°7% rain91°9% rain92°9% rain94°9% rain94°9% rain93°9% rain91°9% rain87°10% rain3-day weather forecast
Weather details
Sunrise, sunset and moon
Key weather changes ahead
Today vs yesterday in Katy
Weather insights for today
Rain chance stays relatively low over the next 12 hours (up to 14%).
It feels like 75°F with winds near 3 mph.
74°F, 14% rain chance and 3 mph wind.
Visibility is around 6 mi; gusts may reach 21 mph.
Current temperature is 74°F, wind 3 mph, rain chance up to 14%.
UV index is 0.
Local weather characteristics in Katy
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.
Katy is part of the South weather region. The forecast point is near 29.79°N latitude and 95.82°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.
Katy weather today
Overcast and 74°F in Katy, TX. Today's high is 94°F with a 9% rain chance. Winds are around 3 mph with gusts near 3 mph. Relative humidity is 59%, pressure is 29.99 inHg, and visibility is about 6 miles.
Tonight and tomorrow in Katy
Sunrise is at 07:13 AM and sunset is at 07:15 PM. Tomorrow's forecast calls for Overcast with a high near 93°F and a low near 75°F. The maximum rain chance is 11%.