Yes

you do need a jacket based on the weather in San Jose, CA 95132, USA 1 second ago

Why? Because it's cool. Pleasantly cool, but cool!
53°F12°C & Clear

Wind is 1 mph1 km/h from the East, gusting to 1 mph2 km/h
November 1
4pm54°F12°C1 mph2 km/h SoutheastClear
5pm58°F14°C2 mph3 km/h WestMostly Clear
6pm61°F16°C3 mph5 km/h WestMostly Clear
7pm65°F18°C4 mph6 km/h NorthwestMostly Clear
8pm68°F20°C5 mph8 km/h NorthwestClear
9pm70°F21°C6 mph10 km/h NorthwestClear
10pm72°F22°C6 mph10 km/h NorthwestClear
11pm74°F23°C6 mph10 km/h NorthwestClear
November 2
12am73°F23°C6 mph9 km/h NorthwestClear
1am68°F20°C4 mph7 km/h NorthwestClear
2am65°F18°C3 mph5 km/h NorthwestClear
3am62°F17°C2 mph4 km/h NorthClear
DateLowHighWindDayNight
November 151°F10°C74°F23°C4 mph6 km/h from NorthwestClearClear
November 251°F10°C76°F24°C3 mph6 km/h from NorthwestClearClear
November 353°F11°C72°F22°C3 mph6 km/h from NorthwestClearMostly Clear
November 451°F10°C75°F24°C4 mph6 km/h from SouthPartly CloudyRain
November 555°F13°C66°F19°C7 mph11 km/h from SouthRainPartly Cloudy
November 651°F10°C69°F20°C4 mph6 km/h from NorthwestMostly ClearMostly Clear
November 753°F11°C70°F21°C4 mph7 km/h from NorthwestMostly ClearMostly Clear

Yes

Low of 51°F11°C, High of 76°F25°C
Wind: 3 mph6 km/h
Precipitation: None

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