Yes

you do need a jacket based on the weather in Santa Cruz, CA, USA 17 minutes ago

Why? Because it's pretty chilly!
58°F14°C & Mostly Cloudy

Wind is 2 mph3 km/h from the West, gusting to 4 mph7 km/h
July 21
4am57°F14°C3 mph4 km/h WestMostly Cloudy
5am56°F13°C2 mph3 km/h WestMostly Cloudy
6am55°F13°C2 mph3 km/h WestMostly Cloudy
7am55°F13°C2 mph4 km/h WestMostly Cloudy
8am55°F13°C1 mph2 km/h WestMostly Cloudy
9am55°F13°C1 mph2 km/h NorthwestMostly Cloudy
10am54°F12°C2 mph3 km/h WestMostly Cloudy
11am56°F13°C2 mph3 km/h WestMostly Cloudy
12pm59°F15°C3 mph5 km/h WestMostly Cloudy
1pm62°F16°C5 mph8 km/h SouthwestMostly Cloudy
2pm64°F18°C6 mph10 km/h SouthwestPartly Cloudy
3pm67°F19°C7 mph11 km/h WestPartly Cloudy
DateLowHighWindDayNight
July 2154°F12°C71°F22°C7 mph11 km/h from WestPartly CloudyPartly Cloudy
July 2255°F13°C68°F20°C6 mph10 km/h from SouthwestMostly CloudyMostly Cloudy
July 2354°F12°C68°F20°C6 mph9 km/h from SouthwestPartly CloudyPartly Cloudy
July 2455°F13°C70°F21°C6 mph10 km/h from SouthwestMostly ClearMostly Clear
July 2555°F13°C70°F21°C6 mph10 km/h from SouthwestMostly ClearMostly Clear
July 2654°F12°C71°F22°C6 mph10 km/h from WestMostly ClearMostly Clear
July 2755°F13°C72°F22°C5 mph9 km/h from SouthwestMostly ClearMostly Clear

Yes

Low of 54°F12°C, High of 71°F22°C
Wind: 7 mph11 km/h
Precipitation: None

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