Yes
you do need a jacket based on the weather in St Helens, OR 97051, USA 1 second ago
Why? Because it's not very warm out.
51°F11°C & Mostly Clear
Wind is 3 mph5 km/h from the N, gusting to 9 mph14 km/h
| April 20 | ||||
| 3am | 51°F10°C | 4 mph6 km/h N | Mostly Clear | |
| 4am | 49°F9°C | 3 mph5 km/h N | Mostly Clear | |
| 5am | 47°F8°C | 3 mph4 km/h NE | Mostly Clear | |
| 6am | 46°F8°C | 2 mph4 km/h E | Mostly Clear | |
| 7am | 45°F7°C | 2 mph3 km/h E | Clear | |
| 8am | 45°F7°C | 2 mph3 km/h SE | Mostly Clear | |
| 9am | 44°F7°C | 2 mph4 km/h SE | Mostly Clear | |
| 10am | 45°F7°C | 3 mph5 km/h S | Partly Cloudy | |
| 11am | 50°F10°C | 3 mph5 km/h S | Partly Cloudy | |
| 12pm | 55°F13°C | 5 mph7 km/h S | Mostly Clear | |
| 1pm | 60°F15°C | 6 mph10 km/h SE | Mostly Clear | |
| 2pm | 64°F18°C | 9 mph15 km/h SE | Mostly Clear | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| April 19 | 43°F6°C | 71°F22°C | 5 mph8 km/h from E | Clear | Mostly Clear |
| April 20 | 43°F6°C | 68°F20°C | 7 mph11 km/h from S | Partly Cloudy | Mostly Clear |
| April 21 | 38°F3°C | 59°F15°C | 4 mph6 km/h from NW | Mostly Cloudy | Clear |
| April 22 | 38°F4°C | 67°F19°C | 6 mph10 km/h from N | Mostly Clear | Cloudy |
| April 23 | 44°F7°C | 71°F22°C | 5 mph8 km/h from NW | Partly Cloudy | Mostly Cloudy |
| April 24 | 44°F7°C | 57°F14°C | 3 mph4 km/h from W | Drizzle | Mostly Cloudy |
| April 25 | 42°F6°C | 54°F12°C | 3 mph5 km/h from S | Drizzle | Mostly Cloudy |
Yes
Low of 43°F6°C, High of 68°F20°CWind: 7 mph11 km/h
Precipitation: 30% rain