Yes

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

Why? Because looks like it's raining and the wind makes walking forward feel like moonwalking in reverse!
60°F16°C & Rain

Wind is 11 mph18 km/h from the South, gusting to 26 mph42 km/h
November 22
3pm61°F16°C9 mph15 km/h SouthRain
4pm61°F16°C8 mph14 km/h SouthRain
5pm61°F16°C8 mph14 km/h SouthHeavy Rain
6pm60°F16°C9 mph14 km/h SouthHeavy Rain
7pm60°F15°C9 mph14 km/h SouthHeavy Rain
8pm59°F15°C7 mph11 km/h SouthRain
9pm58°F14°C8 mph12 km/h SouthwestRain
10pm57°F14°C8 mph13 km/h SouthwestRain
11pm56°F13°C8 mph13 km/h SouthwestRain
November 23
12am55°F13°C8 mph12 km/h SouthwestRain
1am54°F12°C6 mph9 km/h WestRain
2am54°F12°C5 mph8 km/h WestDrizzle
DateLowHighWindDayNight
November 2253°F12°C61°F16°C10 mph16 km/h from SouthHeavy RainRain
November 2349°F10°C58°F14°C7 mph11 km/h from SouthwestDrizzlePartly Cloudy
November 2446°F8°C58°F15°C7 mph11 km/h from SoutheastDrizzleDrizzle
November 2550°F10°C57°F14°C6 mph10 km/h from SoutheastRainDrizzle
November 2648°F9°C57°F14°C3 mph6 km/h from SouthwestCloudyPartly Cloudy
November 2745°F7°C58°F14°C4 mph7 km/h from NortheastMostly ClearMostly Clear
November 2843°F6°C57°F14°C5 mph9 km/h from NortheastPartly CloudyMostly Cloudy

Yes

Low of 49°F10°C, High of 58°F15°C
Wind: 7 mph11 km/h
Precipitation: 59% rain

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