10-day forecast for Katy, TX: 53° to 86°, with precipitation expected on 0 days. The table below breaks each day into morning, afternoon, evening and overnight.
86°
Best day: Wednesday, October 21
73°
Worst day: Saturday, October 17
Tap any day below to see morning, afternoon, evening and overnight.
Sat, 1773° / 53°0
Morning53°feels 51°
Afternoon73°feels 72°
Evening66°feels 64°
Overnight59°feels 57°
73 °
Katy, Saturday, 17 October
Clear. High 73°, low 53°.
Pressure30.45 inHg
Wind12.2 mph N
Humidity40%
Visibility6.2 mi
Dew point41°
Sun, 1874° / 55°0
Morning55°feels 53°
Afternoon73°feels 71°
Evening67°feels 65°
Overnight63°feels 62°
74 °
Katy, Sunday, 18 October
Clear. High 74°, low 55°.
Pressure30.36 inHg
Wind7.9 mph NE
Humidity33%
Visibility6.2 mi
Dew point39°
Mon, 1977° / 57°0
Morning58°feels 56°
Afternoon76°feels 75°
Evening72°feels 70°
Overnight59°feels 58°
77 °
Katy, Monday, 19 October
Overcast. High 77°, low 57°.
Pressure30.24 inHg
Wind8.1 mph E
Humidity37%
Visibility6.2 mi
Dew point47°
Tue, 2082° / 58°0
Morning61°feels 60°
Afternoon80°feels 80°
Evening76°feels 76°
Overnight61°feels 60°
82 °
Katy, Tuesday, 20 October
Clear. High 82°, low 58°.
Pressure30.18 inHg
Wind5.9 mph NE
Humidity36%
Visibility6.2 mi
Dew point47°
Wed, 2186° / 68°0
Morning72°feels 71°
Afternoon83°feels 82°
Evening80°feels 80°
Overnight73°feels 73°
86 °
Katy, Wednesday, 21 October
Clear. High 86°, low 68°.
Pressure30.18 inHg
Wind7.2 mph SE
Humidity38%
Visibility—
Dew point53°
Thu, 2284° / 62°0
Morning67°feels 67°
Afternoon80°feels 80°
Evening73°feels 72°
Overnight67°feels 66°
84 °
Katy, Thursday, 22 October
Clear. High 84°, low 62°.
Pressure30.12 inHg
Wind10.6 mph SE
Humidity43%
Visibility—
Dew point54°
Fri, 2385° / 66°0
Morning71°feels 71°
Afternoon82°feels 82°
Evening75°feels 75°
Overnight69°feels 69°
85 °
Katy, Friday, 23 October
Partly cloudy. High 85°, low 66°.
Pressure30.06 inHg
Wind12.1 mph SE
Humidity42%
Visibility—
Dew point56°
Sat, 2484° / 67°0
Morning72°feels 71°
Afternoon82°feels 82°
Evening73°feels 73°
Overnight68°feels 68°
84 °
Katy, Saturday, 24 October
Clear. High 84°, low 67°.
Pressure30.09 inHg
Wind13.4 mph SE
Humidity41%
Visibility—
Dew point55°
Sun, 2584° / 66°0
Morning71°feels 71°
Afternoon82°feels 81°
Evening75°feels 74°
Overnight70°feels 70°
84 °
Katy, Sunday, 25 October
Partly cloudy. High 84°, low 66°.
Pressure30.09 inHg
Wind11.6 mph SE
Humidity40%
Visibility—
Dew point54°
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, TX 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.