Yes
you do need a jacket based on the weather in Portland, ME, USA 2 seconds ago
Why? Because it's not very warm out!
56°F13°C & Partly Cloudy
Wind is 2 mph4 km/h from the Northwest, gusting to 4 mph7 km/h
| September 17 | ||||
| 3am | 56°F13°C | 2 mph4 km/h Northwest | Mostly Cloudy | |
| 4am | 55°F13°C | 1 mph2 km/h West | Partly Cloudy | |
| 5am | 55°F13°C | 1 mph2 km/h West | Mostly Cloudy | |
| 6am | 54°F12°C | 2 mph3 km/h Northwest | Mostly Cloudy | |
| 7am | 55°F13°C | 2 mph3 km/h North | Cloudy | |
| 8am | 58°F15°C | 2 mph3 km/h Northeast | Cloudy | |
| 9am | 61°F16°C | 1 mph2 km/h East | Cloudy | |
| 10am | 64°F18°C | 2 mph3 km/h Southeast | Cloudy | |
| 11am | 67°F19°C | 3 mph5 km/h Southeast | Cloudy | |
| 12pm | 68°F20°C | 5 mph8 km/h Southeast | Mostly Cloudy | |
| 1pm | 69°F21°C | 6 mph10 km/h Southeast | Partly Cloudy | |
| 2pm | 70°F21°C | 7 mph11 km/h Southeast | Mostly Cloudy | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| September 17 | 54°F12°C | 70°F21°C | 5 mph8 km/h from Southeast | Mostly Cloudy | Mostly Cloudy |
| September 18 | 58°F14°C | 71°F22°C | 5 mph8 km/h from South | Partly Cloudy | Mostly Clear |
| September 19 | 53°F12°C | 71°F22°C | 10 mph16 km/h from Northwest | Mostly Clear | Clear |
| September 20 | 47°F8°C | 63°F17°C | 5 mph9 km/h from Northwest | Clear | Clear |
| September 21 | 47°F8°C | 66°F19°C | 9 mph14 km/h from South | Mostly Clear | Mostly Clear |
| September 22 | 53°F12°C | 70°F21°C | 10 mph16 km/h from South | Partly Cloudy | Partly Cloudy |
| September 23 | 59°F15°C | 75°F24°C | 7 mph11 km/h from South | Partly Cloudy | Mostly Cloudy |
Yes
Low of 58°F15°C, High of 72°F22°CWind: 5 mph8 km/h
Precipitation: 14% rain