Yes

you do need a jacket based on the weather in Katy, TX, USA 1 second ago

Why? Because it's pretty chilly!
51°F11°C & Clear

Wind is 11 mph18 km/h from the Northeast, gusting to 17 mph28 km/h
January 23
2pm52°F11°C12 mph19 km/h NortheastClear
3pm54°F12°C11 mph18 km/h NortheastClear
4pm54°F12°C10 mph17 km/h NortheastClear
5pm54°F12°C10 mph15 km/h NortheastClear
6pm52°F11°C8 mph13 km/h NorthClear
7pm47°F8°C7 mph11 km/h NorthClear
8pm43°F6°C6 mph9 km/h NorthClear
9pm40°F5°C6 mph10 km/h NorthClear
10pm38°F3°C5 mph9 km/h NorthClear
11pm36°F2°C6 mph9 km/h NorthClear
January 24
12am35°F2°C6 mph9 km/h NorthClear
1am34°F1°C6 mph10 km/h NorthwestClear
DateLowHighWindDayNight
January 2330°F-1°C54°F12°C8 mph13 km/h from NortheastClearClear
January 2429°F-2°C54°F12°C3 mph5 km/h from SouthClearClear
January 2536°F2°C62°F17°C10 mph17 km/h from SoutheastCloudyRain
January 2656°F14°C68°F20°C8 mph12 km/h from SoutheastThunderstormsRain
January 2754°F12°C60°F16°C7 mph11 km/h from NortheastCloudyCloudy
January 2855°F13°C73°F23°C7 mph11 km/h from SoutheastCloudyThunderstorms
January 2956°F14°C68°F20°C9 mph14 km/h from SoutheastThunderstormsRain

Yes

Low of 28°F-2°C, High of 55°F13°C
Wind: 3 mph5 km/h
Precipitation: None

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