Yes
you do need a jacket based on the weather in Seattle (First Hill), Washington, United States 1 second ago
Why? Because just cool enough for a jacket, but not warm enough to ditch it!
56°F13°C & Clear
Wind is 2 mph3 km/h from the Northeast, gusting to 5 mph8 km/h
| September 20 | ||||
| 6am | 55°F13°C | 3 mph4 km/h Northeast | Clear | |
| 7am | 54°F12°C | 3 mph4 km/h East | Clear | |
| 8am | 54°F12°C | 3 mph5 km/h East | Clear | |
| 9am | 53°F12°C | 2 mph4 km/h Southeast | Clear | |
| 10am | 53°F11°C | 2 mph4 km/h South | Clear | |
| 11am | 54°F12°C | 3 mph5 km/h South | Clear | |
| 12pm | 58°F14°C | 5 mph8 km/h South | Clear | |
| 1pm | 61°F16°C | 5 mph8 km/h South | Clear | |
| 2pm | 64°F18°C | 6 mph10 km/h South | Clear | |
| 3pm | 67°F20°C | 7 mph11 km/h South | Clear | |
| 4pm | 70°F21°C | 7 mph12 km/h South | Clear | |
| 5pm | 71°F22°C | 7 mph12 km/h Southwest | Clear | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| September 20 | 53°F11°C | 73°F23°C | 7 mph11 km/h from South | Clear | Rain |
| September 21 | 57°F14°C | 66°F19°C | 5 mph9 km/h from East | Rain | Mostly Clear |
| September 22 | 52°F11°C | 68°F20°C | 3 mph4 km/h from Northwest | Mostly Clear | Clear |
| September 23 | 52°F11°C | 70°F21°C | 6 mph9 km/h from North | Mostly Clear | Clear |
| September 24 | 53°F12°C | 71°F22°C | 5 mph8 km/h from North | Clear | Mostly Clear |
| September 25 | 54°F12°C | 66°F19°C | 5 mph8 km/h from North | Partly Cloudy | Partly Cloudy |
| September 26 | 53°F12°C | 66°F19°C | 5 mph8 km/h from North | Drizzle | Mostly Clear |
Yes
Low of 56°F14°C, High of 65°F19°CWind: 5 mph9 km/h
Precipitation: 71% rain