Yes

you do need a jacket based on the weather in Carmel-By-The-Sea, CA 93921, USA 1 second ago

Why? Because just cool enough for a jacket, but not warm enough to ditch it!
52°F11°C & Clear

Wind is 7 mph12 km/h from the Northeast, gusting to 13 mph21 km/h
January 12
1am51°F11°C7 mph11 km/h NortheastClear
2am50°F10°C6 mph10 km/h NortheastClear
3am49°F10°C6 mph10 km/h NortheastClear
4am49°F9°C6 mph10 km/h NortheastClear
5am48°F9°C6 mph10 km/h NortheastClear
6am47°F8°C6 mph10 km/h NortheastClear
7am46°F8°C6 mph10 km/h NortheastClear
8am47°F8°C7 mph11 km/h NortheastClear
9am46°F8°C7 mph11 km/h NortheastClear
10am46°F8°C7 mph12 km/h NortheastClear
11am47°F8°C7 mph12 km/h NortheastClear
12pm50°F10°C7 mph11 km/h NortheastClear
DateLowHighWindDayNight
January 1147°F8°C62°F17°C4 mph7 km/h from NorthClearClear
January 1246°F8°C58°F15°C6 mph10 km/h from NorthClearClear
January 1344°F6°C59°F15°C7 mph11 km/h from NortheastClearClear
January 1445°F7°C58°F14°C6 mph9 km/h from NortheastClearClear
January 1547°F8°C60°F16°C3 mph5 km/h from NorthClearClear
January 1648°F9°C59°F15°C3 mph6 km/h from NorthwestClearMostly Clear
January 1746°F8°C54°F12°C5 mph8 km/h from NorthwestPartly CloudyPartly Cloudy

Yes

Low of 46°F8°C, High of 58°F15°C
Wind: 6 mph10 km/h
Precipitation: None

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