Yes

you do need a jacket based on the weather in Jeddah Saudi Arabia 1 second ago

Why? Because the wind is harsh and biting!
87°F31°C & Mostly Clear

Wind is 7 mph12 km/h from the North, gusting to 20 mph32 km/h
September 6
9pm87°F30°C8 mph13 km/h NorthMostly Clear
10pm86°F30°C8 mph13 km/h NorthMostly Clear
11pm86°F30°C8 mph13 km/h NorthClear
September 7
12am87°F31°C7 mph11 km/h NorthMostly Clear
1am90°F32°C5 mph9 km/h NorthMostly Clear
2am94°F34°C6 mph9 km/h NorthwestClear
3am96°F36°C6 mph9 km/h NorthwestClear
4am98°F37°C8 mph13 km/h WestClear
5am100°F38°C10 mph16 km/h WestClear
6am100°F38°C11 mph18 km/h WestClear
7am100°F38°C12 mph19 km/h NorthwestClear
8am99°F37°C13 mph20 km/h NorthwestClear
DateLowHighWindDayNight
September 686°F30°C100°F38°C9 mph15 km/h from NorthwestClearPartly Cloudy
September 783°F28°C98°F37°C9 mph15 km/h from NorthwestMostly ClearPartly Cloudy
September 883°F28°C97°F36°C11 mph18 km/h from NorthwestPartly CloudyPartly Cloudy
September 982°F28°C97°F36°C12 mph20 km/h from NorthwestMostly ClearPartly Cloudy
September 1081°F27°C96°F36°C10 mph16 km/h from NorthwestMostly ClearPartly Cloudy
September 1180°F27°C96°F36°C10 mph16 km/h from NorthwestMostly ClearPartly Cloudy
September 1283°F29°C97°F36°C11 mph17 km/h from NorthwestMostly ClearPartly Cloudy

No

Low of 83°F29°C, High of 99°F37°C
Wind: 9 mph15 km/h
Precipitation: None

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