Yes

you do need a jacket based on the weather in Kariong NSW 2250, Australia 1 second ago

Why? Because you're not freezing, but you’ll definitely start complaining if it lasts much longer!
48°F9°C & Clear

Wind is 4 mph6 km/h from the West, gusting to 7 mph12 km/h
July 12
10am48°F9°C4 mph7 km/h NorthwestClear
11am47°F8°C4 mph7 km/h NorthwestClear
12pm46°F8°C5 mph7 km/h NorthwestClear
1pm46°F8°C5 mph8 km/h NorthwestClear
2pm44°F7°C5 mph8 km/h NorthwestMostly Clear
3pm44°F6°C5 mph8 km/h NorthwestMostly Clear
4pm44°F6°C5 mph8 km/h NorthwestMostly Cloudy
5pm43°F6°C5 mph8 km/h NorthwestMostly Cloudy
6pm45°F7°C5 mph8 km/h NorthwestMostly Cloudy
7pm49°F9°C4 mph7 km/h NorthwestMostly Cloudy
8pm53°F12°C5 mph8 km/h NorthwestPartly Cloudy
9pm56°F13°C6 mph9 km/h NorthwestPartly Cloudy
DateLowHighWindDayNight
July 1145°F7°C64°F18°C3 mph6 km/h from SouthwestClearMostly Clear
July 1243°F6°C62°F17°C6 mph10 km/h from NorthwestMostly CloudyMostly Clear
July 1347°F8°C62°F17°C4 mph7 km/h from WestClearPartly Cloudy
July 1444°F7°C56°F13°C5 mph8 km/h from NorthwestDrizzleMostly Clear
July 1541°F5°C60°F15°C4 mph6 km/h from WestClearMostly Clear
July 1642°F5°C60°F16°C3 mph6 km/h from WestPartly CloudyClear
July 1743°F6°C59°F15°C4 mph7 km/h from SouthDrizzleDrizzle

Yes

Low of 44°F7°C, High of 63°F17°C
Wind: 6 mph10 km/h
Precipitation: None

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