Katy, TX Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Katy, a city in Fort Bend County, Texas.
Overnight
77°F
Patchy Fog
Patchy fog. Mostly clear, with a low around 77. South wind around 5 mph.
7-day forecast for Katy
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 77°F | Patchy Fog | 5 mph S | 0% |
| Tuesday | 99°F | Patchy Fog then Sunny | 0 to 10 mph S | 4% |
| Tuesday Night | 77°F | Mostly Clear | 5 to 10 mph S | 9% |
| Wednesday | 99°F | Sunny | 0 to 10 mph S | 10% |
| Wednesday Night | 77°F | Mostly Clear | 5 to 10 mph S | 8% |
| Thursday | 98°F | Sunny then Slight Chance Showers And Thunderstorms | 0 to 10 mph S | 20% |
| Thursday Night | 77°F | Slight Chance Showers And Thunderstorms then Mostly Clear | 0 to 10 mph S | 20% |
| Friday | 96°F | Sunny then Slight Chance Showers And Thunderstorms | 0 to 10 mph SE | 21% |
| Friday Night | 76°F | Slight Chance Showers And Thunderstorms then Mostly Clear | 0 to 10 mph S | 21% |
| Saturday | 96°F | Sunny then Slight Chance Showers And Thunderstorms | 0 to 10 mph SE | 17% |
| Saturday Night | 77°F | Slight Chance Showers And Thunderstorms then Mostly Clear | 0 to 10 mph SE | 17% |
| Sunday | 95°F | Sunny then Slight Chance Showers And Thunderstorms | 0 to 10 mph SE | 16% |
| Sunday Night | 77°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 0 to 10 mph S | 16% |
| Monday | 95°F | Chance Showers And Thunderstorms | 0 to 10 mph S | 29% |
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
Nearby towns & communities
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Beasley
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Damon
Fairchilds
Fifth Street
Fresno
Fulshear
Kendleton
Missouri City
Needville
Orchard
Pecan Grove
Pleak
Richmond
Rosenberg
Sienna
Simonton
Stafford
Sugar Land
Thompsons
Weston Lakes
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 Aug 4, 2026.