10-day forecast for Katy, TX: 54° to 85°, with precipitation expected on 0 days. The table below breaks each day into morning, afternoon, evening and overnight.
85°
Best day: Wednesday, October 21
69°
Worst day: Saturday, October 17
Tap any day below to see morning, afternoon, evening and overnight.
Sat, 1769° / 54°0
Morning54°feels 52°
Afternoon66°feels 64°
Evening61°feels 59°
Overnight60°feels 58°
69 °
Katy, Saturday, 17 October
Partly cloudy. High 69°, low 54°.
Pressure30.45 inHg
Wind12.6 mph NE
Humidity41%
Visibility6.2 mi
Dew point41°
Sun, 1874° / 54°0
Morning54°feels 52°
Afternoon73°feels 71°
Evening67°feels 65°
Overnight56°feels 54°
74 °
Katy, Sunday, 18 October
Clear. High 74°, low 54°.
Pressure30.36 inHg
Wind6.8 mph NE
Humidity33%
Visibility6.2 mi
Dew point39°
Mon, 1978° / 57°0
Morning58°feels 57°
Afternoon77°feels 76°
Evening71°feels 69°
Overnight59°feels 58°
78 °
Katy, Monday, 19 October
Overcast. High 78°, low 57°.
Pressure30.27 inHg
Wind8.5 mph E
Humidity34%
Visibility6.2 mi
Dew point45°
Tue, 2081° / 63°0
Morning64°feels 63°
Afternoon79°feels 79°
Evening74°feels 73°
Overnight66°feels 65°
81 °
Katy, Tuesday, 20 October
Mostly clear. High 81°, low 63°.
Pressure30.18 inHg
Wind6.5 mph E
Humidity37%
Visibility6.2 mi
Dew point47°
Wed, 2185° / 67°0
Morning72°feels 71°
Afternoon82°feels 81°
Evening78°feels 78°
Overnight72°feels 72°
85 °
Katy, Wednesday, 21 October
Clear. High 85°, low 67°.
Pressure30.18 inHg
Wind7 mph E
Humidity35%
Visibility—
Dew point50°
Thu, 2285° / 59°0
Morning66°feels 65°
Afternoon81°feels 79°
Evening73°feels 72°
Overnight66°feels 65°
85 °
Katy, Thursday, 22 October
Clear. High 85°, low 59°.
Pressure30.18 inHg
Wind6.4 mph S
Humidity26%
Visibility—
Dew point42°
Fri, 2384° / 63°0
Morning68°feels 68°
Afternoon81°feels 81°
Evening74°feels 74°
Overnight68°feels 67°
84 °
Katy, Friday, 23 October
Overcast. High 84°, low 63°.
Pressure30.12 inHg
Wind10.9 mph SE
Humidity42%
Visibility—
Dew point54°
Sat, 2485° / 65°0
Morning70°feels 70°
Afternoon82°feels 81°
Evening74°feels 74°
Overnight69°feels 69°
85 °
Katy, Saturday, 24 October
Clear. High 85°, low 65°.
Pressure30.12 inHg
Wind11.3 mph SE
Humidity43%
Visibility—
Dew point56°
Sun, 2585° / 65°0
Morning70°feels 70°
Afternoon82°feels 81°
Evening75°feels 75°
Overnight70°feels 70°
85 °
Katy, Sunday, 25 October
Overcast. High 85°, low 65°.
Pressure30.15 inHg
Wind10.3 mph SE
Humidity42%
Visibility—
Dew point55°
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.