Katy, LA Weather Forecast
Local 7-day forecast
Mostly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Katy, LA in one place.
Mostly sunny, with a high near 78. North wind 0 to 5 mph.
Local Weather Overview
This forecast page for Katy, LA 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: Nov 4, 2026 8:34 PM CST.
The active forecast window currently covers Nov 6 to Nov 11, 2026 for Katy, LA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Nov 6 to Nov 11, 2026
- Latest sync
- Nov 4, 2026 8:34 PM CST
- Forecast office
- LCH
- Source
- NOAA / NWS
Daily Outlook
This Week in Katy
Friday looks like the warmest upcoming period in Katy at 78 degrees F.
Sunday Night is the coolest period ahead with temperatures near 46 degrees F.
The strongest winds are forecast for Saturday at about 5 to 10 mph NE.
Precipitation is mentioned in 1 upcoming forecast period.
Forecast Details
- Last updated
- Nov 4, 2026 8:34 PM CST
- Coverage
- 6 days
- Time zone
- America/Chicago
- Forecast office
- LCH
- Radar station
- KLCH
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Mostly clear, with a low around 54. North wind 0 to 5 mph.
Mostly sunny, with a high near 75. Northeast wind 5 to 10 mph.
Mostly cloudy, with a low around 48. Northeast wind 5 to 10 mph.
A slight chance of rain showers before noon. Partly sunny, with a high near 67. Northeast wind 5 to 10 mph. Chance of precipitation is 20%.
Mostly cloudy, with a low around 46. North wind around 5 mph.
Mostly sunny, with a high near 71.
Partly cloudy, with a low around 47.
Mostly sunny, with a high near 74.
Partly cloudy, with a low around 48.
Mostly sunny, with a high near 75.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Friday
Nov 6
|
Mostly Sunny
|
78°F |
0 to 5 mph
N
|
|
Friday Night
Nov 6
|
Mostly Clear
|
54°F |
0 to 5 mph
N
|
|
Saturday
Nov 7
|
Mostly Sunny
|
75°F |
5 to 10 mph
NE
|
|
Saturday Night
Nov 7
|
Mostly Cloudy
|
48°F |
5 to 10 mph
NE
|
|
Sunday
Nov 8
|
Slight Chance Rain Showers then Partly Sunny
|
67°F |
5 to 10 mph
NE
|
|
Sunday Night
Nov 8
|
Mostly Cloudy
|
46°F |
5 mph
N
|
|
Monday
Nov 9
|
Mostly Sunny
|
71°F |
5 mph
N
|
|
Monday Night
Nov 9
|
Partly Cloudy
|
47°F |
0 to 5 mph
N
|
|
Tuesday
Nov 10
|
Mostly Sunny
|
74°F |
5 mph
N
|
|
Tuesday Night
Nov 10
|
Partly Cloudy
|
48°F |
0 mph
|
|
Veterans Day
Nov 11
|
Mostly Sunny
|
75°F |
0 to 5 mph
N
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Katy.