Yes
you do need a jacket based on the weather in Penn Yan, NY 14527, USA 1 second ago
Why? Because just cool enough for a jacket, but not warm enough to ditch it!
59°F15°C & Mostly Clear
Wind is 4 mph6 km/h from the Southwest, gusting to 5 mph8 km/h
| September 18 | ||||
| 12am | 58°F14°C | 4 mph7 km/h Southwest | Clear | |
| 1am | 57°F14°C | 5 mph7 km/h Southwest | Clear | |
| 2am | 56°F13°C | 4 mph7 km/h Southwest | Clear | |
| 3am | 55°F13°C | 5 mph8 km/h Southwest | Clear | |
| 4am | 54°F12°C | 5 mph8 km/h Southwest | Clear | |
| 5am | 54°F12°C | 4 mph7 km/h Southwest | Clear | |
| 6am | 54°F12°C | 4 mph6 km/h Southwest | Clear | |
| 7am | 52°F11°C | 3 mph6 km/h Southwest | Clear | |
| 8am | 56°F13°C | 3 mph5 km/h Southwest | Clear | |
| 9am | 63°F17°C | 2 mph4 km/h Southwest | Clear | |
| 10am | 68°F20°C | 2 mph3 km/h West | Clear | |
| 11am | 72°F22°C | 3 mph5 km/h Northwest | Clear | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| September 17 | 55°F13°C | 76°F25°C | 4 mph6 km/h from Southeast | Mostly Clear | Clear |
| September 18 | 52°F11°C | 78°F26°C | 5 mph8 km/h from Northwest | Mostly Clear | Partly Cloudy |
| September 19 | 50°F10°C | 68°F20°C | 8 mph13 km/h from North | Partly Cloudy | Clear |
| September 20 | 45°F7°C | 68°F20°C | 4 mph7 km/h from Northeast | Mostly Clear | Mostly Clear |
| September 21 | 50°F10°C | 76°F24°C | 12 mph19 km/h from South | Mostly Clear | Partly Cloudy |
| September 22 | 62°F17°C | 79°F26°C | 10 mph16 km/h from Southwest | Drizzle | Rain |
| September 23 | 63°F17°C | 73°F23°C | 5 mph9 km/h from Southwest | Rain | Drizzle |
Yes
Low of 52°F11°C, High of 78°F26°CWind: 5 mph8 km/h
Precipitation: None