Yes

you do need a jacket based on the weather in Monongahela, PA 15063, USA 1 second ago

Why? Because the wind is harsh and biting!
61°F16°C & Cloudy

Wind is 11 mph17 km/h from the North, gusting to 19 mph31 km/h
May 9
4pm62°F16°C11 mph18 km/h NorthPartly Cloudy
5pm62°F17°C11 mph18 km/h NorthPartly Cloudy
6pm61°F16°C11 mph18 km/h NorthMostly Clear
7pm59°F15°C10 mph16 km/h NorthwestClear
8pm56°F13°C8 mph13 km/h NorthClear
9pm52°F11°C5 mph9 km/h NorthwestClear
10pm49°F10°C5 mph7 km/h NorthwestClear
11pm47°F8°C4 mph7 km/h NorthwestClear
May 10
12am45°F7°C3 mph5 km/h NorthwestClear
1am43°F6°C4 mph6 km/h WestClear
2am42°F6°C4 mph6 km/h WestClear
3am41°F5°C4 mph7 km/h WestClear
DateLowHighWindDayNight
May 945°F7°C62°F17°C8 mph12 km/h from NorthPartly CloudyClear
May 1039°F4°C72°F22°C5 mph8 km/h from WestClearPartly Cloudy
May 1148°F9°C77°F25°C4 mph6 km/h from NortheastMostly CloudyMostly Cloudy
May 1254°F12°C75°F24°C6 mph10 km/h from SoutheastMostly CloudyRain
May 1360°F16°C70°F21°C7 mph11 km/h from SoutheastDrizzleRain
May 1461°F16°C74°F24°C4 mph6 km/h from SoutheastRainDrizzle
May 1559°F15°C79°F26°C4 mph7 km/h from SouthwestDrizzlePartly Cloudy

Yes

Low of 39°F4°C, High of 72°F22°C
Wind: 5 mph8 km/h
Precipitation: None

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