Yes

you do need a jacket based on the weather in Larkfield Dr, Santa Rosa, CA 95403, USA 1 second ago

Why? Because it's pretty chilly!
51°F11°C & Clear

Wind is 2 mph3 km/h from the Southeast, gusting to 3 mph5 km/h
July 12
10am53°F11°C2 mph2 km/h SouthPartly Cloudy
11am56°F13°C3 mph4 km/h SouthPartly Cloudy
12pm60°F16°C4 mph6 km/h SouthPartly Cloudy
1pm65°F18°C5 mph7 km/h SouthMostly Clear
2pm70°F21°C5 mph9 km/h SouthClear
3pm76°F24°C7 mph11 km/h SouthClear
4pm78°F25°C8 mph14 km/h SouthwestClear
5pm79°F26°C8 mph13 km/h SouthwestClear
6pm78°F26°C8 mph13 km/h SouthwestClear
7pm77°F25°C8 mph13 km/h SouthwestClear
8pm75°F24°C7 mph12 km/h SouthwestClear
9pm72°F22°C7 mph11 km/h SouthwestClear
DateLowHighWindDayNight
July 1251°F10°C79°F26°C6 mph10 km/h from SouthwestMostly ClearPartly Cloudy
July 1355°F13°C78°F25°C5 mph9 km/h from SouthwestMostly ClearPartly Cloudy
July 1454°F12°C81°F27°C5 mph8 km/h from SouthwestMostly ClearPartly Cloudy
July 1555°F13°C73°F23°C6 mph9 km/h from SouthwestPartly CloudyMostly Cloudy
July 1655°F13°C72°F22°C6 mph10 km/h from SouthwestPartly CloudyPartly Cloudy
July 1755°F13°C73°F23°C5 mph9 km/h from SouthwestMostly ClearPartly Cloudy
July 1855°F13°C77°F25°C5 mph8 km/h from SouthwestMostly ClearMostly Clear

Yes

Low of 55°F13°C, High of 78°F26°C
Wind: 5 mph9 km/h
Precipitation: None

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