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Katy, TX Weather & 7-Day Forecast
Live conditions, National Weather Service alerts and a 7-day forecast for Katy, with a daily roof-risk rating for hail and high wind.
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Current conditions
Katy 7-day weather forecast
Loading this week's roof outlook…
| Day | Conditions | High / Low | Rain chance | Wind / Gusts | UV |
|---|---|---|---|---|---|
| Loading… | |||||
Forecast data: Open-Meteo (CC BY 4.0). Alerts: National Weather Service Houston/Galveston. Times shown in Central Time. Roof-risk ratings are informational, not official warnings.
Protect your roof when storms are in the forecast
Before the storm
Take dated photos of each roof slope from the ground, clean gutters, trim branches over the roof and secure patio furniture and trampolines.
During the storm
Park cars in the garage, stay away from windows during hail, and if water comes in, move valuables and catch drips. Never climb on a wet roof.
After the storm
Walk the property, photograph dents and debris, run our storm damage self-check, and book a free roof inspection.
What each season means for your roof
| Season | Main roof threat | What to do |
|---|---|---|
| Mar–Jun | Hail, severe thunderstorms, straight-line wind | Inspect after every hail report |
| Jun–Nov | Tropical storms & hurricanes, flooding rain | Pre-season inspection, secure loose shingles |
| Jul–Sep | Extreme heat and UV, attic heat buildup | Check ventilation, pipe boots and sealants |
| Dec–Feb | Occasional freezes, cold fronts with wind | Clear gutters, check flashing before spring |
Read our hurricane season roof prep guide and how to spot hail damage.
Katy weather & roof FAQs
Where does this Katy weather data come from?
Current conditions and the 7-day forecast come from Open-Meteo, which blends national weather models including NOAA's. Active alerts come directly from the National Weather Service Houston/Galveston office feed for Katy's coordinates.
What does the roof risk rating mean?
It's our simple read of each day's forecast: thunderstorms with possible hail or wind gusts of 50 mph or more rate High; ordinary thunderstorms, heavy showers or gusts above 35 mph rate Moderate. It's informational, not an official warning.
When is hail season in Katy?
Most damaging hail around Katy falls between March and June, when spring storm systems collide with warm Gulf moisture, though hail can occur in any month.
What should I do after a severe storm passes?
Stay off the roof. From the ground, look for missing shingles, dented gutters and granules at downspouts, photograph anything you see, check ceilings for stains, and book a free roof inspection.
Storm just passed? Get a free roof inspection
Book a free roof inspection with a local Katy roofer. You'll get photos of what we find, a plain-English explanation and an honest recommendation.