No
you don't need a jacket based on the weather in St Helens, OR, USA 1 second ago
69°F20°C & Partly Cloudy
Wind is 2 mph3 km/h from the North, gusting to 6 mph9 km/h
| May 9 | ||||
| 4pm | 69°F21°C | 2 mph4 km/h North | Mostly Cloudy | |
| 5pm | 71°F22°C | 3 mph4 km/h North | Mostly Cloudy | |
| 6pm | 72°F22°C | 3 mph5 km/h North | Mostly Cloudy | |
| 7pm | 72°F22°C | 4 mph6 km/h North | Mostly Cloudy | |
| 8pm | 71°F22°C | 5 mph8 km/h North | Mostly Cloudy | |
| 9pm | 70°F21°C | 7 mph11 km/h Northwest | Mostly Cloudy | |
| 10pm | 66°F19°C | 8 mph12 km/h Northwest | Cloudy | |
| 11pm | 63°F17°C | 7 mph11 km/h Northwest | Mostly Cloudy | |
| May 10 | ||||
| 12am | 60°F15°C | 7 mph11 km/h Northwest | Mostly Cloudy | |
| 1am | 57°F14°C | 7 mph11 km/h Northwest | Partly Cloudy | |
| 2am | 55°F13°C | 6 mph10 km/h Northwest | Partly Cloudy | |
| 3am | 53°F12°C | 6 mph9 km/h Northwest | Mostly Cloudy | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| May 9 | 42°F6°C | 72°F22°C | 3 mph5 km/h from North | Mostly Cloudy | Mostly Cloudy |
| May 10 | 46°F8°C | 64°F18°C | 3 mph5 km/h from West | Cloudy | Cloudy |
| May 11 | 47°F8°C | 58°F15°C | 5 mph7 km/h from Southwest | Rain | Drizzle |
| May 12 | 48°F9°C | 60°F16°C | 5 mph8 km/h from Northwest | Drizzle | Partly Cloudy |
| May 13 | 46°F8°C | 63°F17°C | 3 mph5 km/h from Southwest | Cloudy | Mostly Cloudy |
| May 14 | 50°F10°C | 63°F17°C | 4 mph7 km/h from Northwest | Mostly Cloudy | Partly Cloudy |
| May 15 | 46°F8°C | 65°F19°C | 4 mph6 km/h from Northwest | Mostly Cloudy | Mostly Cloudy |
Yes
Low of 46°F8°C, High of 64°F18°CWind: 3 mph5 km/h
Precipitation: None