Yes

you do need a jacket based on the weather in Dapto NSW 2530, Australia 1 second ago

Why? Because it's raining in your area and it's cool. Pleasantly cool, but cool and it's so windy, your hat has officially retired from your head!
53°F12°C & Rain

Wind is 11 mph18 km/h from the Southeast, gusting to 24 mph38 km/h
August 2
9am53°F11°C10 mph16 km/h SouthRain
10am53°F11°C10 mph16 km/h SouthRain
11am52°F11°C9 mph14 km/h SouthDrizzle
12pm53°F12°C10 mph16 km/h SouthDrizzle
1pm53°F12°C10 mph16 km/h SouthDrizzle
2pm53°F12°C10 mph15 km/h SouthDrizzle
3pm54°F12°C11 mph17 km/h SouthCloudy
4pm55°F13°C10 mph17 km/h SouthDrizzle
5pm55°F13°C9 mph14 km/h SouthDrizzle
6pm55°F13°C8 mph12 km/h SouthDrizzle
7pm57°F14°C9 mph15 km/h SouthMostly Cloudy
8pm59°F15°C10 mph16 km/h SouthMostly Cloudy
DateLowHighWindDayNight
August 150°F10°C58°F14°C10 mph16 km/h from SouthHeavy RainRain
August 252°F11°C61°F16°C8 mph14 km/h from SouthRainRain
August 349°F9°C63°F17°C3 mph5 km/h from SoutheastDrizzlePartly Cloudy
August 447°F8°C68°F20°C4 mph7 km/h from WestMostly ClearClear
August 548°F9°C63°F17°C6 mph9 km/h from SouthwestClearMostly Clear
August 647°F8°C57°F14°C8 mph13 km/h from SouthDrizzlePartly Cloudy
August 745°F7°C58°F15°C6 mph10 km/h from SouthDrizzleDrizzle

Yes

Low of 52°F11°C, High of 62°F17°C
Wind: 8 mph14 km/h
Precipitation: 93% rain

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