Yes

you do need a jacket based on the weather in Rooty Hill NSW 2766, Australia 1 second ago

Why? Because it's cool enough your breath is visible, but your nose isn’t red yet!
41°F5°C & Partly Cloudy

Wind is 2 mph3 km/h from the West, gusting to 3 mph5 km/h
July 14
12pm40°F5°C2 mph3 km/h WestPartly Cloudy
1pm40°F5°C2 mph4 km/h NorthwestMostly Cloudy
2pm39°F4°C3 mph4 km/h NorthMostly Cloudy
3pm39°F4°C2 mph4 km/h NorthCloudy
4pm41°F5°C2 mph4 km/h NorthCloudy
5pm42°F5°C3 mph5 km/h NorthCloudy
6pm43°F6°C3 mph5 km/h NorthCloudy
7pm46°F8°C3 mph5 km/h NorthCloudy
8pm50°F10°C4 mph6 km/h NorthwestCloudy
9pm52°F11°C4 mph6 km/h NorthCloudy
10pm53°F12°C4 mph6 km/h NorthCloudy
11pm55°F13°C5 mph8 km/h NorthCloudy
DateLowHighWindDayNight
July 1439°F4°C56°F13°C4 mph6 km/h from NorthwestCloudyClear
July 1534°F1°C63°F17°C2 mph4 km/h from NorthwestClearPartly Cloudy
July 1635°F1°C61°F16°C1 mph2 km/h from WestMostly CloudyMostly Clear
July 1741°F5°C61°F16°C5 mph8 km/h from SouthPartly CloudyMostly Clear
July 1837°F3°C64°F18°C4 mph6 km/h from NorthClearMostly Clear
July 1933°F0°C63°F17°C3 mph5 km/h from NorthwestMostly CloudyPartly Cloudy
July 2041°F5°C60°F15°C5 mph8 km/h from SouthPartly CloudyPartly Cloudy

Yes

Low of 34°F1°C, High of 64°F18°C
Wind: 2 mph4 km/h
Precipitation: None

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