Yes

you do need a jacket based on the weather in Santa Clarita (Canyon Country), California, United States 1 second ago

Why? Because a jacket will keep you cozy, but you won't break a seat!
59°F15°C & Clear

Wind is 4 mph7 km/h from the Northeast, gusting to 12 mph19 km/h
November 9
3pm59°F15°C4 mph7 km/h NortheastClear
4pm65°F18°C6 mph10 km/h NortheastClear
5pm74°F23°C16 mph26 km/h NortheastWindy
6pm78°F25°C17 mph27 km/h NortheastWindy
7pm80°F27°C17 mph27 km/h NortheastWindy
8pm82°F28°C16 mph25 km/h NortheastWindy
9pm83°F29°C15 mph24 km/h NortheastClear
10pm84°F29°C14 mph22 km/h NortheastClear
11pm84°F29°C12 mph19 km/h NortheastClear
November 10
12am82°F28°C10 mph16 km/h NortheastClear
1am78°F26°C9 mph14 km/h NortheastClear
2am76°F24°C8 mph14 km/h NortheastClear
DateLowHighWindDayNight
November 956°F13°C85°F29°C12 mph20 km/h from NortheastClearClear
November 1061°F16°C85°F29°C7 mph12 km/h from NortheastMostly ClearMostly Cloudy
November 1159°F15°C81°F27°C4 mph7 km/h from SouthMostly CloudyCloudy
November 1255°F13°C72°F22°C5 mph7 km/h from SouthwestPartly CloudyPartly Cloudy
November 1351°F11°C62°F17°C9 mph14 km/h from SouthRainRain
November 1446°F8°C58°F15°C6 mph9 km/h from NorthwestPartly CloudyMostly Clear
November 1543°F6°C64°F18°C4 mph7 km/h from NorthClearClear

No

Low of 61°F16°C, High of 85°F30°C
Wind: 7 mph12 km/h
Precipitation: None

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