Yes

you do need a jacket based on the weather in Pittsburgh, PA 15235, USA 1 second ago

Why? Because it's cold enough that makes you wish you had a hat, but you're still too proud to admit it!
40°F4°C & Clear

Wind is 4 mph6 km/h from the East, gusting to 7 mph12 km/h
October 10
6am40°F4°C4 mph7 km/h EastClear
7am39°F4°C4 mph7 km/h SoutheastClear
8am40°F5°C4 mph7 km/h SoutheastClear
9am46°F8°C4 mph7 km/h SoutheastClear
10am51°F11°C6 mph10 km/h SouthClear
11am56°F13°C7 mph12 km/h SouthClear
12pm60°F15°C7 mph12 km/h SouthClear
1pm62°F17°C6 mph10 km/h SouthClear
2pm64°F18°C6 mph10 km/h SouthClear
3pm65°F19°C6 mph10 km/h SouthClear
4pm66°F19°C6 mph10 km/h SouthClear
5pm65°F19°C6 mph9 km/h SouthClear
DateLowHighWindDayNight
October 1039°F4°C66°F19°C6 mph9 km/h from SouthClearMostly Clear
October 1145°F7°C65°F19°C3 mph5 km/h from SouthPartly CloudyPartly Cloudy
October 1251°F10°C65°F18°C6 mph10 km/h from NortheastDrizzlePartly Cloudy
October 1350°F10°C67°F19°C6 mph9 km/h from NorthPartly CloudyPartly Cloudy
October 1450°F10°C68°F20°C6 mph9 km/h from NorthMostly ClearMostly Clear
October 1549°F9°C63°F17°C6 mph9 km/h from NorthwestMostly CloudyMostly Cloudy
October 1644°F7°C56°F14°C8 mph12 km/h from NorthwestMostly ClearMostly Clear

Yes

Low of 46°F8°C, High of 65°F19°C
Wind: 3 mph5 km/h
Precipitation: None

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