Katy, TX Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Katy, a city in Fort Bend County, Texas.
Today
95°F
Sunny
Sunny. High near 95, with temperatures falling to around 92 in the afternoon. Southeast wind 0 to 10 mph.
7-day forecast for Katy
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 95°F | Sunny | 0 to 10 mph SE | 0% |
| Tonight | 73°F | Mostly Clear | 0 to 10 mph SE | 11% |
| Sunday | 96°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 0 to 5 mph E | 15% |
| Sunday Night | 76°F | Partly Cloudy | 0 to 10 mph SE | 8% |
| Monday | 97°F | Sunny | 0 to 5 mph SE | 12% |
| Monday Night | 76°F | Mostly Clear | 0 to 5 mph S | 12% |
| Tuesday | 97°F | Sunny | 0 to 5 mph NE | 8% |
| Tuesday Night | 77°F | Mostly Clear | 0 to 5 mph NE | 8% |
| Wednesday | 96°F | Sunny | 0 to 10 mph NE | 4% |
| Wednesday Night | 76°F | Mostly Clear | 0 to 5 mph E | 4% |
| Thursday | 95°F | Mostly Sunny | 5 to 10 mph NE | 4% |
| Thursday Night | 74°F | Partly Cloudy | 0 to 10 mph E | 4% |
| Friday | 94°F | Mostly Sunny | 5 to 10 mph NE | 3% |
| Friday Night | 74°F | Mostly Clear | 0 to 10 mph E | 3% |
Forecast source: National Weather Service (api.weather.gov) for Katy (29.791, -95.841). Updated through the day.
Growing snapshot for Katy
Last spring frost
Feb 2
First fall frost
Dec 11
Growing season
318 days
Hardiness zone
9a
More local growing data for Katy: nearby ZIP 77494 weather · frost dates · planting calendar · Texas frost dates
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Climate data from the nearest NOAA station, Houston Sugarland Mem, Tx (12.8 mi from Katy). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.