Yes

you do need a jacket based on the weather in Hornell, NY 14843, USA 1 second ago

Why? Because the air feels like the cozy middle ground between summer and winter!
53°F11°C & Mostly Clear

Wind is 4 mph7 km/h from the Southeast, gusting to 7 mph12 km/h
August 19
7am54°F12°C4 mph6 km/h SouthPartly Cloudy
8am59°F15°C4 mph7 km/h SouthPartly Cloudy
9am65°F18°C8 mph12 km/h SouthMostly Cloudy
10am69°F21°C9 mph14 km/h SouthMostly Cloudy
11am71°F22°C9 mph14 km/h SouthCloudy
12pm73°F23°C9 mph14 km/h SouthCloudy
1pm75°F24°C9 mph14 km/h SouthCloudy
2pm76°F24°C9 mph14 km/h SouthCloudy
3pm77°F25°C9 mph14 km/h SouthCloudy
4pm75°F24°C9 mph14 km/h SouthCloudy
5pm74°F24°C8 mph13 km/h SouthCloudy
6pm73°F23°C7 mph11 km/h SouthCloudy
DateLowHighWindDayNight
August 1951°F11°C77°F25°C8 mph12 km/h from SouthMostly CloudyRain
August 2062°F17°C73°F23°C5 mph7 km/h from SouthRainDrizzle
August 2160°F15°C70°F21°C5 mph9 km/h from NortheastCloudyMostly Clear
August 2254°F12°C77°F25°C3 mph4 km/h from NortheastMostly ClearClear
August 2357°F14°C82°F28°C7 mph11 km/h from SouthwestMostly ClearPartly Cloudy
August 2460°F16°C75°F24°C7 mph11 km/h from SouthwestThunderstormsDrizzle
August 2556°F13°C68°F20°C8 mph14 km/h from WestPartly CloudyPartly Cloudy

No

Low of 63°F17°C, High of 73°F23°C
Wind: 5 mph7 km/h
Precipitation: 79% rain

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