No
you don't need a jacket based on the weather in Sammamish, WA, USA 1 second ago
62°F17°C & Clear
Wind is 6 mph10 km/h from the North, gusting to 16 mph26 km/h
| August 21 | ||||
| 1am | 60°F16°C | 6 mph9 km/h North | Clear | |
| 2am | 58°F15°C | 2 mph4 km/h Northeast | Clear | |
| 3am | 57°F14°C | 2 mph3 km/h Northeast | Clear | |
| 4am | 55°F13°C | 2 mph2 km/h North | Clear | |
| 5am | 54°F12°C | 2 mph2 km/h Northeast | Clear | |
| 6am | 53°F12°C | 2 mph3 km/h East | Clear | |
| 7am | 52°F11°C | 2 mph3 km/h East | Clear | |
| 8am | 51°F11°C | 1 mph2 km/h Northeast | Clear | |
| 9am | 51°F10°C | 1 mph2 km/h Northeast | Clear | |
| 10am | 52°F11°C | 1 mph2 km/h Northeast | Clear | |
| 11am | 55°F13°C | 1 mph2 km/h Northeast | Clear | |
| 12pm | 60°F15°C | 3 mph5 km/h North | Mostly Clear | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| August 20 | 57°F14°C | 76°F25°C | 2 mph3 km/h from Northwest | Partly Cloudy | Clear |
| August 21 | 51°F10°C | 77°F25°C | 6 mph9 km/h from North | Mostly Clear | Clear |
| August 22 | 54°F12°C | 85°F29°C | 5 mph9 km/h from North | Clear | Clear |
| August 23 | 57°F14°C | 88°F31°C | 5 mph9 km/h from North | Mostly Clear | Mostly Cloudy |
| August 24 | 61°F16°C | 87°F31°C | 4 mph6 km/h from Northwest | Partly Cloudy | Mostly Clear |
| August 25 | 63°F17°C | 86°F30°C | 3 mph5 km/h from Northwest | Mostly Clear | Mostly Clear |
| August 26 | 60°F16°C | 84°F29°C | 3 mph6 km/h from Northwest | Mostly Clear | Mostly Clear |
Yes
Low of 51°F11°C, High of 77°F25°CWind: 6 mph9 km/h
Precipitation: None