Yes
you do need a jacket based on the weather in St Helens, OR, USA 1 second ago
Why? Because it's quite chilly!
41°F5°C & Clear
Wind is 1 mph2 km/h from the Northwest, gusting to 4 mph6 km/h
| February 27 | ||||
| 12pm | 45°F7°C | 1 mph1 km/h North | Mostly Clear | |
| 1pm | 50°F10°C | 2 mph3 km/h Southeast | Mostly Clear | |
| 2pm | 54°F12°C | 3 mph5 km/h South | Clear | |
| 3pm | 56°F14°C | 3 mph5 km/h South | Clear | |
| 4pm | 59°F15°C | 3 mph5 km/h South | Clear | |
| 5pm | 60°F16°C | 3 mph5 km/h South | Clear | |
| 6pm | 62°F17°C | 3 mph6 km/h South | Clear | |
| 7pm | 61°F16°C | 3 mph5 km/h South | Clear | |
| 8pm | 59°F15°C | 2 mph3 km/h South | Clear | |
| 9pm | 54°F12°C | 2 mph3 km/h Northwest | Clear | |
| 10pm | 51°F10°C | 4 mph6 km/h Northwest | Clear | |
| 11pm | 48°F9°C | 5 mph8 km/h Northwest | Clear | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| February 27 | 37°F3°C | 62°F17°C | 2 mph4 km/h from South | Clear | Partly Cloudy |
| February 28 | 41°F5°C | 64°F18°C | 2 mph4 km/h from Northeast | Mostly Clear | Mostly Clear |
| March 1 | 40°F5°C | 56°F13°C | 3 mph5 km/h from Southeast | Partly Cloudy | Cloudy |
| March 2 | 42°F6°C | 51°F10°C | 4 mph6 km/h from Northwest | Cloudy | Mostly Cloudy |
| March 3 | 41°F5°C | 49°F9°C | 3 mph5 km/h from Southwest | Cloudy | Mostly Cloudy |
| March 4 | 39°F4°C | 50°F10°C | 4 mph7 km/h from Southeast | Cloudy | Drizzle |
| March 5 | 39°F4°C | 53°F12°C | 3 mph5 km/h from North | Rain | Mostly Cloudy |
Yes
Low of 41°F5°C, High of 64°F18°CWind: 2 mph4 km/h
Precipitation: None