No

you don't need a jacket based on the weather in Fairfield, CA 94533, USA 1 second ago

66°F19°C & Mostly Clear

Wind is 7 mph11 km/h from the Southwest, gusting to 10 mph16 km/h
August 14
1pm67°F19°C7 mph11 km/h SouthwestMostly Clear
2pm71°F22°C7 mph11 km/h SouthwestMostly Clear
3pm75°F24°C8 mph13 km/h SouthwestClear
4pm78°F26°C9 mph15 km/h SouthwestClear
5pm81°F27°C11 mph18 km/h SouthwestClear
6pm83°F28°C12 mph20 km/h SouthwestClear
7pm84°F29°C13 mph21 km/h SouthwestClear
8pm82°F28°C13 mph20 km/h SouthwestClear
9pm80°F27°C12 mph20 km/h SouthwestClear
10pm76°F24°C11 mph19 km/h SouthwestClear
11pm71°F22°C10 mph16 km/h SouthwestClear
August 15
12am68°F20°C10 mph16 km/h SouthwestClear
DateLowHighWindDayNight
August 1457°F14°C84°F29°C10 mph15 km/h from SouthwestMostly ClearMostly Clear
August 1558°F15°C89°F32°C10 mph16 km/h from SouthwestClearMostly Clear
August 1663°F17°C84°F29°C11 mph17 km/h from SouthwestMostly ClearPartly Cloudy
August 1759°F15°C79°F26°C13 mph21 km/h from SouthwestMostly ClearMostly Clear
August 1855°F13°C83°F29°C10 mph15 km/h from SouthwestClearClear
August 1955°F13°C88°F31°C7 mph11 km/h from SouthwestClearClear
August 2058°F14°C92°F34°C6 mph10 km/h from SouthwestClearClear

Yes

Low of 58°F15°C, High of 90°F32°C
Wind: 10 mph16 km/h
Precipitation: None

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