Yes

you do need a jacket based on the weather in Winters, CA 95694, USA 1 second ago

Why? Because just cool enough for a jacket, but not warm enough to ditch it and it's really really huffing out there!
52°F11°C & Windy

Wind is 22 mph35 km/h from the North, gusting to 39 mph63 km/h
January 11
1pm54°F12°C22 mph36 km/h NorthWindy
2pm57°F14°C23 mph37 km/h NorthWindy
3pm59°F15°C23 mph36 km/h NorthWindy
4pm61°F16°C22 mph36 km/h NorthWindy
5pm62°F17°C22 mph35 km/h NorthWindy
6pm62°F16°C21 mph33 km/h NorthWindy
7pm60°F15°C20 mph32 km/h NorthWindy
8pm58°F14°C18 mph30 km/h NorthWindy
9pm56°F13°C19 mph30 km/h NorthWindy
10pm54°F12°C19 mph30 km/h NorthWindy
11pm53°F12°C19 mph30 km/h NorthWindy
January 12
12am52°F11°C19 mph30 km/h NorthWindy
DateLowHighWindDayNight
January 1147°F8°C62°F17°C21 mph33 km/h from NorthWindyWindy
January 1247°F8°C62°F17°C15 mph24 km/h from NorthWindyMostly Clear
January 1343°F6°C59°F15°C14 mph23 km/h from NorthClearClear
January 1440°F5°C59°F15°C5 mph8 km/h from NorthClearClear
January 1536°F2°C60°F16°C3 mph5 km/h from NorthClearClear
January 1636°F2°C60°F16°C3 mph4 km/h from NortheastClearClear
January 1738°F4°C56°F14°C3 mph5 km/h from NortheastClearClear

Yes

Low of 46°F8°C, High of 62°F17°C
Wind: 15 mph24 km/h
Precipitation: None

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