Yes

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

Why? Because just cool enough for a jacket, but not warm enough to ditch it!
57°F14°C & Mostly Cloudy

Wind is 2 mph3 km/h from the South, gusting to 3 mph5 km/h
April 13
4am57°F14°C2 mph4 km/h SouthCloudy
5am56°F14°C2 mph3 km/h SoutheastCloudy
6am56°F14°C2 mph3 km/h SoutheastCloudy
7am56°F13°C3 mph4 km/h SoutheastCloudy
8am56°F13°C3 mph5 km/h SoutheastCloudy
9am55°F13°C3 mph4 km/h SoutheastCloudy
10am56°F13°C2 mph4 km/h SoutheastCloudy
11am57°F14°C3 mph4 km/h SoutheastCloudy
12pm59°F15°C3 mph5 km/h SouthMostly Cloudy
1pm61°F16°C3 mph6 km/h SouthwestMostly Cloudy
2pm63°F17°C5 mph7 km/h SouthwestMostly Cloudy
3pm65°F19°C6 mph10 km/h SouthwestPartly Cloudy
DateLowHighWindDayNight
April 1355°F13°C69°F21°C5 mph9 km/h from SouthwestPartly CloudyPartly Cloudy
April 1453°F12°C66°F19°C5 mph9 km/h from SouthwestMostly CloudyPartly Cloudy
April 1554°F12°C66°F19°C6 mph9 km/h from WestPartly CloudyPartly Cloudy
April 1652°F11°C63°F17°C6 mph10 km/h from SouthwestPartly CloudyMostly Cloudy
April 1753°F12°C64°F18°C7 mph11 km/h from SouthwestPartly CloudyMostly Cloudy
April 1854°F12°C62°F16°C8 mph13 km/h from WestDrizzlePartly Cloudy
April 1952°F11°C66°F19°C7 mph11 km/h from WestMostly ClearMostly Clear

Yes

Low of 53°F12°C, High of 66°F19°C
Wind: 5 mph9 km/h
Precipitation: None

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