Yes
you do need a jacket based on the weather in Cortland, NY 13045, USA 1 second ago
Why? Because it's not very warm out!
57°F14°C & Clear
Wind is 4 mph6 km/h from the Northwest, gusting to 10 mph16 km/h
| September 7 | ||||
| 8pm | 54°F12°C | 4 mph6 km/h North | Clear | |
| 9pm | 52°F11°C | 3 mph5 km/h North | Clear | |
| 10pm | 51°F10°C | 2 mph3 km/h Northwest | Clear | |
| 11pm | 50°F10°C | 2 mph4 km/h West | Clear | |
| September 8 | ||||
| 12am | 49°F9°C | 3 mph5 km/h West | Clear | |
| 1am | 48°F9°C | 4 mph6 km/h Southwest | Clear | |
| 2am | 46°F8°C | 3 mph5 km/h Southwest | Clear | |
| 3am | 46°F8°C | 3 mph5 km/h West | Clear | |
| 4am | 45°F7°C | 3 mph5 km/h West | Clear | |
| 5am | 45°F7°C | 3 mph5 km/h West | Clear | |
| 6am | 45°F7°C | 3 mph5 km/h West | Mostly Clear | |
| 7am | 46°F8°C | 3 mph4 km/h West | Mostly Clear | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| September 7 | 49°F9°C | 63°F17°C | 7 mph11 km/h from Northwest | Mostly Clear | Clear |
| September 8 | 45°F7°C | 64°F18°C | 4 mph7 km/h from Northwest | Mostly Clear | Clear |
| September 9 | 44°F7°C | 69°F21°C | 4 mph7 km/h from Southeast | Clear | Mostly Clear |
| September 10 | 48°F9°C | 70°F21°C | 3 mph5 km/h from South | Mostly Clear | Clear |
| September 11 | 48°F9°C | 71°F22°C | 6 mph10 km/h from Northwest | Mostly Clear | Clear |
| September 12 | 48°F9°C | 69°F20°C | 4 mph7 km/h from North | Mostly Clear | Mostly Clear |
| September 13 | 48°F9°C | 71°F22°C | 5 mph8 km/h from South | Partly Cloudy | Partly Cloudy |
Yes
Low of 45°F7°C, High of 64°F18°CWind: 4 mph7 km/h
Precipitation: None