Yes

you do need a jacket based on the weather in Rome, Metropolitan City of Rome, Italy 1 second ago

Why? Because it's cool. Pleasantly cool, but cool.
54°F12°C & Mostly Clear

Wind is 4 mph7 km/h from the SE, gusting to 12 mph19 km/h
April 25
4pm53°F12°C5 mph8 km/h SEMostly Clear
5pm52°F11°C5 mph8 km/h EMostly Clear
6pm50°F10°C5 mph8 km/h EMostly Clear
7pm50°F10°C5 mph8 km/h EPartly Cloudy
8pm49°F9°C5 mph8 km/h EMostly Cloudy
9pm49°F9°C5 mph8 km/h EMostly Cloudy
10pm49°F9°C5 mph8 km/h SEMostly Cloudy
11pm49°F10°C5 mph9 km/h SEMostly Cloudy
April 26
12am49°F10°C5 mph8 km/h SEMostly Cloudy
1am50°F10°C5 mph8 km/h SEMostly Cloudy
2am53°F12°C5 mph7 km/h SEMostly Cloudy
3am56°F14°C5 mph9 km/h SEMostly Cloudy
DateLowHighWindDayNight
April 2443°F6°C62°F17°C6 mph10 km/h from SPartly CloudyPartly Cloudy
April 2549°F9°C66°F19°C7 mph12 km/h from SMostly CloudyRain
April 2650°F10°C73°F23°C7 mph12 km/h from SPartly CloudyPartly Cloudy
April 2749°F9°C80°F27°C5 mph8 km/h from WPartly CloudyClear
April 2854°F12°C82°F28°C5 mph8 km/h from SWClearClear
April 2955°F13°C83°F28°C6 mph10 km/h from SMostly ClearDrizzle
April 3059°F15°C70°F21°C9 mph14 km/h from SEDrizzlePartly Cloudy

Yes

Low of 48°F9°C, High of 66°F19°C
Wind: 7 mph12 km/h
Precipitation: 22% rain

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