Yes

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

Why? Because the cold's there, but it's just a reminder, not an invasion!
44°F6°C & Mostly Cloudy

Wind is 1 mph2 km/h from the North, gusting to 2 mph4 km/h
December 26
4am43°F6°C1 mph2 km/h NortheastMostly Cloudy
5am42°F6°C1 mph2 km/h NortheastMostly Cloudy
6am41°F5°C1 mph2 km/h EastMostly Cloudy
7am41°F5°C2 mph3 km/h NorthwestMostly Cloudy
8am40°F4°C1 mph2 km/h NortheastMostly Cloudy
9am41°F5°C2 mph3 km/h SoutheastMostly Cloudy
10am41°F5°C2 mph3 km/h SoutheastMostly Cloudy
11am45°F7°C2 mph3 km/h SouthCloudy
12pm50°F10°C2 mph4 km/h SoutheastCloudy
1pm56°F13°C3 mph4 km/h SouthMostly Cloudy
2pm60°F16°C3 mph5 km/h SouthPartly Cloudy
3pm64°F18°C3 mph4 km/h SouthMostly Clear
DateLowHighWindDayNight
December 2640°F4°C67°F19°C3 mph5 km/h from SouthwestPartly CloudyPartly Cloudy
December 2741°F5°C64°F18°C3 mph5 km/h from SouthwestMostly CloudyMostly Cloudy
December 2843°F6°C72°F22°C2 mph3 km/h from WestMostly CloudyPartly Cloudy
December 2940°F5°C71°F22°C2 mph3 km/h from SouthwestClearPartly Cloudy
December 3041°F5°C70°F21°C1 mph2 km/h from NorthwestMostly ClearPartly Cloudy
December 3142°F5°C70°F21°C6 mph9 km/h from NorthMostly CloudyMostly Clear
January 141°F5°C71°F22°C5 mph8 km/h from NorthMostly ClearPartly Cloudy

Yes

Low of 41°F5°C, High of 64°F18°C
Wind: 3 mph5 km/h
Precipitation: None

Support This Page