Yes

you do need a jacket based on the weather in McKees Rocks, PA 15136, USA 1 second ago

Why? Because you're not freezing, but you’ll definitely start complaining if it lasts much longer!
50°F10°C & Cloudy

Wind is 7 mph12 km/h from the West, gusting to 15 mph24 km/h
October 24
9pm49°F10°C8 mph12 km/h NorthwestMostly Cloudy
10pm48°F9°C5 mph9 km/h NorthwestPartly Cloudy
11pm45°F7°C4 mph7 km/h NorthwestPartly Cloudy
October 25
12am44°F7°C5 mph7 km/h NorthwestMostly Cloudy
1am43°F6°C4 mph6 km/h NorthwestMostly Cloudy
2am42°F6°C3 mph5 km/h WestMostly Cloudy
3am42°F5°C2 mph3 km/h WestPartly Cloudy
4am41°F5°C2 mph3 km/h WestPartly Cloudy
5am40°F4°C2 mph3 km/h WestPartly Cloudy
6am39°F4°C2 mph3 km/h WestMostly Clear
7am38°F3°C2 mph3 km/h WestMostly Clear
8am37°F3°C1 mph2 km/h SouthwestPartly Cloudy
DateLowHighWindDayNight
October 2439°F4°C50°F10°C5 mph8 km/h from WestMostly CloudyPartly Cloudy
October 2536°F2°C53°F12°C1 mph2 km/h from NorthMostly CloudyPartly Cloudy
October 2636°F2°C56°F13°C4 mph7 km/h from NortheastMostly ClearMostly Clear
October 2737°F3°C55°F13°C8 mph13 km/h from EastPartly CloudyPartly Cloudy
October 2837°F3°C52°F11°C8 mph12 km/h from EastPartly CloudyPartly Cloudy
October 2939°F4°C53°F11°C7 mph11 km/h from NortheastPartly CloudyDrizzle
October 3040°F4°C50°F10°C7 mph11 km/h from NorthwestPartly CloudyMostly Cloudy

Yes

Low of 36°F2°C, High of 53°F12°C
Wind: 1 mph2 km/h
Precipitation: None

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