10-day forecast for Katy, LA: 40° to 78°, with precipitation expected on 3 days. The table below breaks each day into morning, afternoon, evening and overnight.
78°
Best day: Saturday, November 21
66° · 0.11 in
Worst day: Monday, November 16
Tap any day below to see morning, afternoon, evening and overnight.
Sun, 1569° / 43°0.04
Morning54°feels 53°
Afternoon69°feels 68°
Evening59°feels 58°
Overnight44°feels 41°
69 °
Katy, Sunday, 15 November
Light rain. High 69°, low 43°.
Pressure30.21 inHg
Wind10.8 mph E
Humidity53%
Visibility6.2 mi
Dew point50°
Mon, 1666° / 51°0.11
Morning53°feels 51°
Afternoon66°feels 64°
Evening56°feels 54°
Overnight52°feels 51°
66 °
Katy, Monday, 16 November
Rain. High 66°, low 51°.
Pressure30.30 inHg
Wind11.8 mph NE
Humidity49%
Visibility6.2 mi
Dew point44°
Tue, 1768° / 49°0
Morning53°feels 51°
Afternoon68°feels 67°
Evening59°feels 59°
Overnight51°feels 49°
68 °
Katy, Tuesday, 17 November
Clear. High 68°, low 49°.
Pressure30.30 inHg
Wind8.2 mph NE
Humidity53%
Visibility6.2 mi
Dew point49°
Wed, 1874° / 56°0
Morning61°feels 61°
Afternoon72°feels 71°
Evening64°feels 64°
Overnight59°feels 59°
74 °
Katy, Wednesday, 18 November
Clear. High 74°, low 56°.
Pressure30.24 inHg
Wind9.1 mph NE
Humidity56%
Visibility—
Dew point54°
Thu, 1975° / 56°0.04
Morning61°feels 61°
Afternoon73°feels 73°
Evening67°feels 67°
Overnight63°feels 63°
75 °
Katy, Thursday, 19 November
Light rain. High 75°, low 56°.
Pressure30.24 inHg
Wind8.6 mph E
Humidity60%
Visibility—
Dew point57°
Fri, 2075° / 60°0
Morning64°feels 64°
Afternoon73°feels 72°
Evening63°feels 62°
Overnight60°feels 60°
75 °
Katy, Friday, 20 November
Overcast. High 75°, low 60°.
Pressure30.18 inHg
Wind10.5 mph NE
Humidity34%
Visibility—
Dew point43°
Sat, 2178° / 59°0
Morning64°feels 64°
Afternoon76°feels 76°
Evening67°feels 67°
Overnight63°feels 64°
78 °
Katy, Saturday, 21 November
Clear. High 78°, low 59°.
Pressure30.09 inHg
Wind8.1 mph E
Humidity52%
Visibility—
Dew point56°
Sun, 2265° / 50°0.07
Morning60°feels 60°
Afternoon55°feels 54°
Evening53°feels 50°
Overnight53°feels 50°
65 °
Katy, Sunday, 22 November
Light rain. High 65°, low 50°.
Pressure30.15 inHg
Wind14.5 mph N
Humidity82%
Visibility—
Dew point51°
Mon, 2353° / 40°0
Morning44°feels 38°
Afternoon50°feels 46°
Evening44°feels 40°
Overnight40°feels 35°
53 °
Katy, Monday, 23 November
Overcast. High 53°, low 40°.
Pressure30.27 inHg
Wind13.1 mph N
Humidity25%
Visibility—
Dew point15°
About this forecast
How reliable is a 10-day forecast?
The first 3–5 days are the most reliable, typically within 2–4°. From day six to ten the models show the trend: the direction of change is right more often than the exact numbers.
What does the time-of-day table show?
Temperature in Katy, LA around 8am, 2pm, 8pm and 2am each day — handy for planning a walk, a drive or work outdoors.
How is the best day chosen?
We weigh the daytime high against precipitation: a warm, dry day scores highest.