Yes

you do need a jacket based on the weather in Lansdowne, PA 19050, USA 1 second ago

Why? Because it's so windy, your hat has officially retired from your head!
63°F17°C & Cloudy

Wind is 8 mph13 km/h from the Southeast, gusting to 19 mph31 km/h
November 9
6pm64°F18°C8 mph13 km/h SoutheastRain
7pm63°F17°C7 mph11 km/h SouthRain
8pm63°F17°C5 mph9 km/h SoutheastCloudy
9pm62°F17°C3 mph4 km/h SoutheastMostly Cloudy
10pm61°F16°C4 mph6 km/h SouthCloudy
11pm60°F15°C4 mph7 km/h SouthMostly Cloudy
November 10
12am59°F15°C2 mph3 km/h SouthwestPartly Cloudy
1am58°F15°C4 mph6 km/h SouthwestCloudy
2am58°F14°C3 mph5 km/h WestCloudy
3am58°F14°C2 mph4 km/h WestCloudy
4am57°F14°C4 mph7 km/h WestCloudy
5am56°F13°C8 mph12 km/h WestCloudy
DateLowHighWindDayNight
November 949°F9°C64°F18°C4 mph7 km/h from SoutheastRainDrizzle
November 1035°F1°C56°F13°C10 mph16 km/h from WestMostly CloudyMostly Clear
November 1130°F-1°C43°F6°C14 mph23 km/h from WestMostly ClearPartly Cloudy
November 1234°F1°C53°F12°C11 mph17 km/h from SouthwestPartly CloudyPartly Cloudy
November 1338°F3°C51°F11°C11 mph18 km/h from WestMostly ClearMostly Clear
November 1435°F1°C52°F11°C8 mph13 km/h from WestPartly CloudyMostly Clear
November 1532°F-0°C46°F8°C7 mph11 km/h from NorthwestMostly ClearMostly Cloudy

Yes

Low of 35°F2°C, High of 56°F14°C
Wind: 10 mph16 km/h
Precipitation: None

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