No

you don't need a jacket based on the weather in Walnut Creek, CA 94598, USA 1 second ago

75°F24°C & Clear

Wind is 8 mph13 km/h from the Northeast, gusting to 16 mph25 km/h
October 29
9pm76°F24°C9 mph14 km/h NortheastClear
10pm77°F25°C9 mph14 km/h NortheastClear
11pm77°F25°C7 mph12 km/h NortheastClear
October 30
12am76°F25°C6 mph9 km/h NortheastClear
1am71°F22°C4 mph7 km/h NortheastClear
2am68°F20°C4 mph7 km/h NortheastClear
3am67°F19°C4 mph6 km/h EastClear
4am66°F19°C4 mph6 km/h EastClear
5am65°F18°C2 mph4 km/h SouthwestClear
6am64°F18°C2 mph4 km/h SouthClear
7am63°F17°C3 mph4 km/h SouthClear
8am62°F17°C3 mph4 km/h SouthwestClear
DateLowHighWindDayNight
October 2954°F12°C77°F25°C6 mph10 km/h from NortheastClearClear
October 3055°F13°C73°F23°C5 mph8 km/h from SouthwestPartly CloudyMostly Cloudy
October 3153°F12°C75°F24°C3 mph5 km/h from WestMostly ClearMostly Clear
November 153°F12°C74°F24°C3 mph5 km/h from WestClearPartly Cloudy
November 255°F13°C75°F24°C3 mph4 km/h from NortheastMostly ClearMostly Clear
November 356°F14°C72°F22°C4 mph7 km/h from SouthwestPartly CloudyPartly Cloudy
November 453°F12°C67°F19°C4 mph7 km/h from SouthwestMostly CloudyCloudy

Yes

Low of 55°F13°C, High of 73°F23°C
Wind: 5 mph8 km/h
Precipitation: None

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