Katy, TX Weather Forecast
Local 7-day forecast
Partly Sunny then Slight Chance Showers And Thunderstorms
Track current conditions, temperature changes, wind, and the full daily outlook for Katy, TX in one place.
A slight chance of showers and thunderstorms between 1pm and 2pm, then a chance of showers and thunderstorms between 2pm and 3pm, then a slight chance of showers and thunderstorms. Partly sunny, with a high near 82. Southeast wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
Local Weather Overview
This forecast page for Katy, TX is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: Apr 9, 2026 10:01 AM CDT.
The active forecast window currently covers Apr 9 to Apr 15, 2026 for Katy, TX.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Apr 9 to Apr 15, 2026
- Latest sync
- Apr 9, 2026 10:01 AM CDT
- Forecast office
- HGX
- Source
- NOAA / NWS
Daily Outlook
This Week in Katy
Tuesday looks like the warmest upcoming period in Katy at 87 degrees F.
Tonight is the coolest period ahead with temperatures near 67 degrees F.
The strongest winds are forecast for Tuesday at about 10 to 20 mph S.
Precipitation is mentioned in 10 upcoming forecast periods.
Forecast Details
- Last updated
- Apr 9, 2026 10:01 AM CDT
- Coverage
- 7 days
- Time zone
- America/Chicago
- Forecast office
- HGX
- Radar station
- KHGX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 67. Southeast wind 5 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
A chance of rain showers before 10am, then showers and thunderstorms. Mostly cloudy, with a high near 81. East wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch possible.
Showers and thunderstorms before 7pm, then a slight chance of showers and thunderstorms. Mostly cloudy, with a low around 69. Southeast wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%.
A chance of showers and thunderstorms before 1pm, then a chance of showers and thunderstorms between 1pm and 4pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 82. Southeast wind 5 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 50%.
A chance of showers and thunderstorms before 7pm, then a slight chance of showers and thunderstorms. Mostly cloudy, with a low around 70. Chance of precipitation is 50%.
A chance of showers and thunderstorms. Mostly cloudy, with a high near 82. Chance of precipitation is 40%.
A chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 71. Chance of precipitation is 40%.
Mostly cloudy, with a high near 85.
Mostly cloudy, with a low around 70.
Mostly cloudy, with a high near 87.
Mostly cloudy, with a low around 71.
A slight chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 86. Chance of precipitation is 20%.
A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 69.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Today
Apr 9
|
Partly Sunny then Slight Chance Showers And Thunderstorms
|
82°F |
10 to 15 mph
SE
|
|
Tonight
Apr 9
|
Slight Chance Showers And Thunderstorms
|
67°F |
5 to 15 mph
SE
|
|
Friday
Apr 10
|
Showers And Thunderstorms
|
81°F |
5 to 10 mph
E
|
|
Friday Night
Apr 10
|
Showers And Thunderstorms then Slight Chance Showers And Thunderstorms
|
69°F |
5 to 10 mph
SE
|
|
Saturday
Apr 11
|
Chance Showers And Thunderstorms
|
82°F |
5 to 15 mph
SE
|
|
Saturday Night
Apr 11
|
Chance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms
|
70°F |
10 to 15 mph
SE
|
|
Sunday
Apr 12
|
Chance Showers And Thunderstorms
|
82°F |
10 to 15 mph
SE
|
|
Sunday Night
Apr 12
|
Chance Showers And Thunderstorms
|
71°F |
10 to 15 mph
SE
|
|
Monday
Apr 13
|
Mostly Cloudy
|
85°F |
10 to 15 mph
S
|
|
Monday Night
Apr 13
|
Mostly Cloudy
|
70°F |
10 to 15 mph
SE
|
|
Tuesday
Apr 14
|
Mostly Cloudy
|
87°F |
10 to 20 mph
S
|
|
Tuesday Night
Apr 14
|
Mostly Cloudy
|
71°F |
10 to 15 mph
SE
|
|
Wednesday
Apr 15
|
Mostly Cloudy then Slight Chance Showers And Thunderstorms
|
86°F |
10 to 15 mph
S
|
|
Wednesday Night
Apr 15
|
Slight Chance Showers And Thunderstorms
|
69°F |
5 to 15 mph
S
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Katy.
