No
you don't need a jacket based on the weather in Portland, ME, USA 5 minutes ago
66°F19°C & Mostly Cloudy
Wind is 7 mph11 km/h from the Southwest, gusting to 14 mph23 km/h
| September 6 | ||||
| 7am | 66°F19°C | 7 mph12 km/h Southwest | Partly Cloudy | |
| 8am | 69°F21°C | 9 mph14 km/h Southwest | Partly Cloudy | |
| 9am | 72°F22°C | 8 mph13 km/h Southwest | Mostly Clear | |
| 10am | 75°F24°C | 8 mph14 km/h South | Mostly Clear | |
| 11am | 76°F24°C | 11 mph17 km/h South | Mostly Clear | |
| 12pm | 77°F25°C | 11 mph18 km/h South | Mostly Clear | |
| 1pm | 77°F25°C | 12 mph20 km/h South | Mostly Clear | |
| 2pm | 77°F25°C | 13 mph21 km/h South | Mostly Cloudy | |
| 3pm | 77°F25°C | 14 mph23 km/h South | Thunderstorms | |
| 4pm | 75°F24°C | 15 mph24 km/h South | Thunderstorms | |
| 5pm | 74°F23°C | 14 mph22 km/h Southwest | Thunderstorms | |
| 6pm | 71°F22°C | 12 mph20 km/h Southwest | Thunderstorms | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| September 6 | 64°F18°C | 77°F25°C | 11 mph18 km/h from South | Thunderstorms | Thunderstorms |
| September 7 | 58°F15°C | 65°F18°C | 5 mph8 km/h from East | Rain | Partly Cloudy |
| September 8 | 54°F12°C | 70°F21°C | 5 mph8 km/h from West | Mostly Clear | Mostly Clear |
| September 9 | 52°F11°C | 66°F19°C | 6 mph9 km/h from East | Mostly Clear | Mostly Cloudy |
| September 10 | 53°F12°C | 67°F19°C | 5 mph8 km/h from East | Mostly Cloudy | Mostly Clear |
| September 11 | 54°F12°C | 74°F23°C | 6 mph9 km/h from Northwest | Mostly Clear | Mostly Clear |
| September 12 | 53°F12°C | 66°F19°C | 9 mph14 km/h from North | Mostly Clear | Clear |
Yes
Low of 58°F15°C, High of 65°F19°CWind: 5 mph8 km/h
Precipitation: 86% rain