10-day forecast for Katy, TX: 52° to 85°, with precipitation expected on 1 day. The table below breaks each day into morning, afternoon, evening and overnight.
85°
Best day: Friday, October 23
72° · 0.75 in
Worst day: Tuesday, October 27
Tap any day below to see morning, afternoon, evening and overnight.
Mon, 1980° / 54°0
Morning57°feels 55°
Afternoon79°feels 79°
Evening73°feels 72°
Overnight58°feels 57°
80 °
Katy, Monday, 19 October
Mostly clear. High 80°, low 54°.
Pressure30.24 inHg
Wind9 mph E
Humidity37%
Visibility6.2 mi
Dew point47°
Tue, 2082° / 59°0
Morning59°feels 57°
Afternoon81°feels 79°
Evening73°feels 71°
Overnight63°feels 62°
82 °
Katy, Tuesday, 20 October
Clear. High 82°, low 59°.
Pressure30.21 inHg
Wind7.6 mph NE
Humidity29%
Visibility6.2 mi
Dew point43°
Wed, 2185° / 63°0
Morning63°feels 62°
Afternoon83°feels 82°
Evening77°feels 77°
Overnight67°feels 66°
85 °
Katy, Wednesday, 21 October
Clear. High 85°, low 63°.
Pressure30.18 inHg
Wind5.7 mph NE
Humidity39%
Visibility6.2 mi
Dew point53°
Thu, 2285° / 61°0
Morning67°feels 67°
Afternoon82°feels 80°
Evening77°feels 76°
Overnight67°feels 66°
85 °
Katy, Thursday, 22 October
Clear. High 85°, low 61°.
Pressure30.15 inHg
Wind6.1 mph E
Humidity23%
Visibility—
Dew point39°
Fri, 2385° / 61°0
Morning67°feels 66°
Afternoon83°feels 81°
Evening77°feels 76°
Overnight68°feels 67°
85 °
Katy, Friday, 23 October
Clear. High 85°, low 61°.
Pressure30.09 inHg
Wind9.4 mph SE
Humidity29%
Visibility—
Dew point45°
Sat, 2485° / 65°0
Morning70°feels 70°
Afternoon83°feels 82°
Evening74°feels 74°
Overnight68°feels 68°
85 °
Katy, Saturday, 24 October
Mostly clear. High 85°, low 65°.
Pressure30.18 inHg
Wind12.9 mph SE
Humidity39%
Visibility—
Dew point54°
Sun, 2582° / 67°0
Morning70°feels 71°
Afternoon78°feels 78°
Evening73°feels 72°
Overnight69°feels 68°
82 °
Katy, Sunday, 25 October
Overcast. High 82°, low 67°.
Pressure30.27 inHg
Wind12.2 mph E
Humidity29%
Visibility—
Dew point43°
Mon, 2681° / 67°0
Morning71°feels 71°
Afternoon80°feels 80°
Evening74°feels 74°
Overnight72°feels 72°
81 °
Katy, Monday, 26 October
Overcast. High 81°, low 67°.
Pressure30.09 inHg
Wind16.8 mph E
Humidity49%
Visibility—
Dew point58°
Tue, 2772° / 67°0.75
Morning69°feels 69°
Afternoon67°feels 68°
Evening67°feels 69°
Overnight68°feels 69°
72 °
Katy, Tuesday, 27 October
Rain. High 72°, low 67°.
Pressure30.00 inHg
Wind12.1 mph E
Humidity93%
Visibility—
Dew point65°
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.