Yes

you do need a jacket based on the weather in Manhattan Beach, CA 90266, USA 1 second ago

Why? Because it's pretty chilly.
55°F13°C & Mostly Cloudy

Wind is 2 mph4 km/h from the E, gusting to 6 mph9 km/h
April 26
8am55°F13°C3 mph4 km/h EPartly Cloudy
9am54°F12°C3 mph4 km/h NEPartly Cloudy
10am55°F13°C3 mph5 km/h NEPartly Cloudy
11am56°F13°C3 mph5 km/h NEMostly Cloudy
12pm58°F14°C3 mph5 km/h WPartly Cloudy
1pm59°F15°C5 mph8 km/h WPartly Cloudy
2pm60°F16°C7 mph12 km/h WMostly Clear
3pm61°F16°C10 mph16 km/h WMostly Clear
4pm62°F17°C12 mph20 km/h WMostly Clear
5pm63°F17°C14 mph22 km/h WClear
6pm63°F17°C17 mph27 km/h WWindy
7pm64°F18°C19 mph31 km/h WWindy
DateLowHighWindDayNight
April 2654°F12°C64°F18°C12 mph20 km/h from WMostly ClearClear
April 2754°F12°C64°F18°C7 mph12 km/h from SWClearClear
April 2854°F12°C64°F18°C8 mph12 km/h from SWMostly ClearClear
April 2955°F13°C65°F18°C8 mph12 km/h from SWMostly ClearClear
April 3056°F13°C65°F18°C8 mph12 km/h from SWMostly ClearPartly Cloudy
May 157°F14°C66°F19°C7 mph11 km/h from SWMostly ClearPartly Cloudy
May 256°F13°C65°F19°C7 mph11 km/h from SWMostly ClearMostly Clear

Yes

Low of 55°F13°C, High of 64°F18°C
Wind: 7 mph12 km/h
Precipitation: None

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