Yes
you do need a jacket based on the weather in St Helens, OR, USA 1 second ago
Why? Because it's quite chilly!
43°F6°C & Mostly Clear
Wind is 8 mph13 km/h from the Northwest, gusting to 14 mph23 km/h
| May 5 | ||||
| 9am | 43°F6°C | 8 mph13 km/h Northwest | Clear | |
| 10am | 45°F7°C | 8 mph13 km/h Northwest | Clear | |
| 11am | 50°F10°C | 8 mph13 km/h Northwest | Clear | |
| 12pm | 54°F12°C | 7 mph12 km/h Northwest | Clear | |
| 1pm | 58°F15°C | 7 mph11 km/h North | Clear | |
| 2pm | 62°F17°C | 6 mph10 km/h North | Clear | |
| 3pm | 66°F19°C | 5 mph9 km/h North | Clear | |
| 4pm | 68°F20°C | 6 mph9 km/h North | Mostly Clear | |
| 5pm | 71°F21°C | 6 mph9 km/h North | Mostly Clear | |
| 6pm | 72°F22°C | 7 mph11 km/h North | Mostly Clear | |
| 7pm | 72°F22°C | 8 mph12 km/h North | Mostly Clear | |
| 8pm | 72°F22°C | 8 mph13 km/h North | Mostly Clear | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| May 5 | 43°F6°C | 72°F22°C | 7 mph11 km/h from North | Mostly Clear | Mostly Clear |
| May 6 | 45°F7°C | 78°F25°C | 4 mph6 km/h from East | Mostly Clear | Mostly Clear |
| May 7 | 45°F7°C | 65°F18°C | 6 mph9 km/h from Northwest | Partly Cloudy | Mostly Clear |
| May 8 | 40°F4°C | 65°F18°C | 5 mph8 km/h from North | Partly Cloudy | Partly Cloudy |
| May 9 | 43°F6°C | 75°F24°C | 5 mph8 km/h from Northwest | Mostly Clear | Mostly Cloudy |
| May 10 | 49°F10°C | 70°F21°C | 4 mph7 km/h from Northwest | Cloudy | Rain |
| May 11 | 47°F8°C | 59°F15°C | 5 mph8 km/h from West | Drizzle | Drizzle |
Yes
Low of 46°F8°C, High of 78°F26°CWind: 4 mph6 km/h
Precipitation: None