Yes

you do need a jacket based on the weather in Amman, Jordan 1 second ago

Why? Because it's so gusty, you’re basically doing accidental parkour!
75°F24°C & Mostly Clear

Wind is 9 mph14 km/h from the West, gusting to 21 mph33 km/h
September 19
4am77°F25°C10 mph15 km/h WestClear
5am79°F26°C10 mph16 km/h WestClear
6am81°F27°C10 mph16 km/h WestClear
7am82°F28°C10 mph17 km/h WestClear
8am83°F28°C11 mph17 km/h WestClear
9am83°F28°C11 mph17 km/h WestMostly Clear
10am81°F27°C10 mph17 km/h WestMostly Clear
11am79°F26°C10 mph16 km/h NorthwestClear
12pm76°F24°C8 mph12 km/h NorthwestClear
1pm73°F23°C6 mph10 km/h NorthwestClear
2pm70°F21°C4 mph7 km/h NorthwestClear
3pm69°F20°C3 mph5 km/h NorthwestClear
DateLowHighWindDayNight
September 1865°F18°C83°F28°C9 mph15 km/h from WestMostly ClearClear
September 1960°F16°C85°F30°C4 mph7 km/h from EastClearClear
September 2063°F17°C87°F31°C4 mph7 km/h from EastClearClear
September 2165°F18°C88°F31°C5 mph9 km/h from SoutheastClearClear
September 2266°F19°C90°F32°C3 mph5 km/h from SoutheastClearClear
September 2367°F20°C86°F30°C8 mph14 km/h from WestClearMostly Clear
September 2463°F17°C78°F25°C13 mph20 km/h from WestMostly ClearMostly Clear

No

Low of 61°F16°C, High of 85°F30°C
Wind: 4 mph7 km/h
Precipitation: None

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