No
you don't need a jacket based on the weather in Olympia, WA, USA 1 second ago
68°F20°C & Clear
Wind is 5 mph8 km/h from the Northwest, gusting to 14 mph22 km/h
| September 17 | ||||
| 2am | 67°F20°C | 5 mph8 km/h West | Clear | |
| 3am | 65°F18°C | 3 mph6 km/h West | Clear | |
| 4am | 63°F17°C | 3 mph4 km/h West | Clear | |
| 5am | 61°F16°C | 4 mph6 km/h Southeast | Clear | |
| 6am | 59°F15°C | 4 mph6 km/h Southeast | Clear | |
| 7am | 58°F15°C | 4 mph6 km/h Southeast | Clear | |
| 8am | 57°F14°C | 3 mph5 km/h South | Clear | |
| 9am | 56°F13°C | 3 mph5 km/h Southwest | Clear | |
| 10am | 56°F13°C | 3 mph5 km/h Southwest | Mostly Clear | |
| 11am | 58°F14°C | 4 mph6 km/h Southwest | Mostly Clear | |
| 12pm | 62°F17°C | 4 mph7 km/h Southwest | Mostly Clear | |
| 1pm | 66°F19°C | 4 mph7 km/h Southwest | Clear | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| September 16 | 49°F10°C | 89°F31°C | 2 mph3 km/h from Northeast | Clear | Clear |
| September 17 | 56°F13°C | 77°F25°C | 5 mph8 km/h from West | Mostly Clear | Partly Cloudy |
| September 18 | 54°F12°C | 73°F23°C | 4 mph7 km/h from Northeast | Partly Cloudy | Clear |
| September 19 | 50°F10°C | 76°F24°C | 3 mph4 km/h from North | Clear | Mostly Clear |
| September 20 | 52°F11°C | 70°F21°C | 7 mph11 km/h from Southwest | Mostly Cloudy | Drizzle |
| September 21 | 56°F13°C | 71°F22°C | 6 mph10 km/h from Southwest | Drizzle | Mostly Clear |
| September 22 | 53°F12°C | 73°F23°C | 3 mph5 km/h from Southwest | Partly Cloudy | Partly Cloudy |
Yes
Low of 55°F13°C, High of 77°F25°CWind: 5 mph8 km/h
Precipitation: None