Yes

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

Why? Because it's not very warm out!
57°F14°C & Cloudy

Wind is 1 mph1 km/h from the Northeast, gusting to 1 mph2 km/h
November 3
10am57°F14°C1 mph2 km/h NortheastCloudy
11am56°F13°C2 mph3 km/h NortheastCloudy
12pm55°F13°C3 mph5 km/h EastCloudy
1pm55°F13°C3 mph4 km/h EastMostly Cloudy
2pm54°F12°C2 mph3 km/h EastMostly Cloudy
3pm55°F13°C1 mph2 km/h NortheastMostly Cloudy
4pm61°F16°C1 mph2 km/h NorthMostly Cloudy
5pm68°F20°C1 mph1 km/h SouthPartly Cloudy
6pm73°F23°C1 mph2 km/h SouthPartly Cloudy
7pm76°F25°C2 mph4 km/h SouthPartly Cloudy
8pm79°F26°C3 mph5 km/h SouthMostly Cloudy
9pm81°F27°C3 mph6 km/h SouthMostly Cloudy
DateLowHighWindDayNight
November 354°F12°C81°F27°C3 mph4 km/h from SouthwestPartly CloudyMostly Clear
November 451°F11°C79°F26°C4 mph6 km/h from SouthClearMostly Clear
November 550°F10°C72°F22°C3 mph5 km/h from SouthwestPartly CloudyMostly Clear
November 650°F10°C75°F24°C2 mph3 km/h from WestClearClear
November 752°F11°C84°F29°C2 mph3 km/h from WestClearClear
November 855°F13°C85°F30°C2 mph3 km/h from SouthwestClearMostly Clear
November 957°F14°C87°F31°C2 mph4 km/h from SoutheastMostly ClearPartly Cloudy

Yes

Low of 51°F11°C, High of 79°F26°C
Wind: 4 mph6 km/h
Precipitation: None

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