Yes

you do need a jacket based on the weather in Philadelphia, PA, USA 31 minutes ago

Why? Because sorry, it's too cool for just a hoodie and it's so windy, even the squirrels are holding onto branches for dear life!
56°F14°C & Clear

Wind is 9 mph15 km/h from the North, gusting to 25 mph40 km/h
May 20
1am53°F12°C8 mph13 km/h NorthClear
2am51°F11°C8 mph12 km/h NorthClear
3am50°F10°C7 mph11 km/h NorthClear
4am49°F9°C6 mph9 km/h NorthClear
5am48°F9°C6 mph10 km/h NorthwestClear
6am48°F9°C5 mph9 km/h NorthwestClear
7am49°F10°C8 mph13 km/h NorthwestClear
8am52°F11°C10 mph15 km/h NorthClear
9am54°F12°C9 mph15 km/h NorthClear
10am57°F14°C9 mph14 km/h NorthClear
11am60°F15°C8 mph13 km/h NorthwestMostly Clear
12pm62°F17°C8 mph12 km/h NorthwestPartly Cloudy
DateLowHighWindDayNight
May 2048°F9°C69°F21°C7 mph12 km/h from NorthPartly CloudyCloudy
May 2152°F11°C58°F14°C10 mph16 km/h from EastRainRain
May 2251°F11°C59°F15°C7 mph11 km/h from NortheastDrizzleDrizzle
May 2349°F9°C62°F17°C7 mph11 km/h from NorthwestDrizzleMostly Clear
May 2450°F10°C64°F18°C10 mph17 km/h from NorthwestPartly CloudyClear
May 2550°F10°C66°F19°C9 mph14 km/h from NorthwestPartly CloudyPartly Cloudy
May 2654°F12°C71°F21°C5 mph8 km/h from NorthwestPartly CloudyMostly Cloudy

Yes

Low of 48°F9°C, High of 69°F21°C
Wind: 7 mph12 km/h
Precipitation: None

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