Yes

you do need a jacket based on the weather in Eger, Hungary 1 second ago

Why? Because it's cold. simple as that.
39°F4°C & Partly Cloudy

Wind is 4 mph7 km/h from the W, gusting to 11 mph18 km/h
April 24
11pm38°F4°C4 mph7 km/h WMostly Clear
April 25
12am38°F3°C4 mph7 km/h NWMostly Clear
1am40°F5°C5 mph7 km/h NWMostly Clear
2am44°F6°C5 mph7 km/h NWClear
3am47°F8°C4 mph7 km/h NWMostly Clear
4am50°F10°C4 mph7 km/h NWMostly Clear
5am52°F11°C4 mph7 km/h NWMostly Clear
6am54°F12°C4 mph7 km/h NWPartly Cloudy
7am55°F13°C5 mph7 km/h NWPartly Cloudy
8am56°F14°C5 mph8 km/h WPartly Cloudy
9am57°F14°C5 mph8 km/h WPartly Cloudy
10am56°F14°C5 mph8 km/h WPartly Cloudy
DateLowHighWindDayNight
April 2438°F3°C57°F14°C5 mph7 km/h from WMostly ClearClear
April 2538°F3°C60°F16°C4 mph7 km/h from SWMostly ClearPartly Cloudy
April 2643°F6°C65°F18°C6 mph10 km/h from SEPartly CloudyClear
April 2747°F8°C72°F22°C7 mph11 km/h from SEMostly ClearMostly Clear
April 2852°F11°C76°F24°C5 mph8 km/h from SEMostly ClearMostly Clear
April 2953°F12°C75°F24°C7 mph11 km/h from EClearMostly Clear
April 3055°F13°C72°F22°C8 mph13 km/h from EPartly CloudyPartly Cloudy

Yes

Low of 37°F3°C, High of 60°F16°C
Wind: 4 mph7 km/h
Precipitation: None

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