No
you don't need a jacket based on the weather in New Haven, CT, USA 1 second ago
68°F20°C & Cloudy
Wind is 4 mph7 km/h from the Northeast, gusting to 11 mph17 km/h
| September 18 | ||||
| 12am | 67°F19°C | 5 mph8 km/h Northeast | Cloudy | |
| 1am | 66°F19°C | 5 mph8 km/h North | Cloudy | |
| 2am | 65°F19°C | 5 mph8 km/h North | Cloudy | |
| 3am | 65°F18°C | 5 mph9 km/h North | Cloudy | |
| 4am | 64°F18°C | 6 mph10 km/h North | Cloudy | |
| 5am | 63°F17°C | 6 mph10 km/h North | Cloudy | |
| 6am | 63°F17°C | 6 mph10 km/h North | Mostly Cloudy | |
| 7am | 63°F17°C | 5 mph8 km/h North | Mostly Cloudy | |
| 8am | 63°F17°C | 5 mph7 km/h North | Mostly Cloudy | |
| 9am | 66°F19°C | 4 mph7 km/h North | Partly Cloudy | |
| 10am | 69°F20°C | 4 mph6 km/h North | Mostly Clear | |
| 11am | 72°F22°C | 3 mph4 km/h North | Mostly Clear | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| September 17 | 59°F15°C | 76°F24°C | 5 mph8 km/h from East | Partly Cloudy | Cloudy |
| September 18 | 63°F17°C | 78°F26°C | 4 mph6 km/h from West | Mostly Clear | Clear |
| September 19 | 61°F16°C | 79°F26°C | 6 mph10 km/h from Northwest | Mostly Clear | Clear |
| September 20 | 54°F12°C | 70°F21°C | 6 mph9 km/h from East | Clear | Clear |
| September 21 | 53°F12°C | 69°F20°C | 7 mph11 km/h from Southeast | Partly Cloudy | Partly Cloudy |
| September 22 | 54°F12°C | 72°F22°C | 6 mph10 km/h from South | Mostly Clear | Mostly Clear |
| September 23 | 62°F17°C | 78°F26°C | 7 mph12 km/h from Southwest | Partly Cloudy | Rain |
No
Low of 63°F17°C, High of 78°F26°CWind: 4 mph6 km/h
Precipitation: None