Yes
you do need a jacket based on the weather in Ellensburg, WA, USA 1 second ago
Why? Because just cool enough for a jacket, but not warm enough to ditch it and the wind makes walking forward feel like moonwalking in reverse!
54°F12°C & Mostly Clear
Wind is 14 mph23 km/h from the Northwest, gusting to 29 mph47 km/h
| September 15 | ||||
| 4am | 54°F12°C | 14 mph23 km/h Northwest | Mostly Clear | |
| 5am | 54°F12°C | 12 mph20 km/h Northwest | Mostly Clear | |
| 6am | 54°F12°C | 12 mph19 km/h Northwest | Mostly Clear | |
| 7am | 53°F12°C | 11 mph18 km/h Northwest | Clear | |
| 8am | 53°F12°C | 11 mph17 km/h Northwest | Clear | |
| 9am | 52°F11°C | 7 mph12 km/h Northwest | Clear | |
| 10am | 51°F11°C | 4 mph6 km/h Northwest | Clear | |
| 11am | 55°F13°C | 6 mph10 km/h Northwest | Clear | |
| 12pm | 59°F15°C | 8 mph13 km/h Northwest | Clear | |
| 1pm | 63°F17°C | 6 mph10 km/h Northwest | Clear | |
| 2pm | 67°F19°C | 3 mph5 km/h Northwest | Clear | |
| 3pm | 70°F21°C | 2 mph4 km/h East | Clear | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| September 15 | 51°F11°C | 76°F24°C | 5 mph8 km/h from East | Clear | Clear |
| September 16 | 51°F10°C | 79°F26°C | 7 mph12 km/h from East | Clear | Clear |
| September 17 | 51°F11°C | 84°F29°C | 3 mph5 km/h from Southeast | Clear | Clear |
| September 18 | 58°F14°C | 84°F29°C | 5 mph8 km/h from North | Mostly Clear | Mostly Clear |
| September 19 | 57°F14°C | 85°F29°C | 3 mph5 km/h from Southwest | Mostly Clear | Mostly Clear |
| September 20 | 58°F14°C | 80°F26°C | 8 mph13 km/h from Northwest | Mostly Clear | Partly Cloudy |
| September 21 | 55°F13°C | 74°F23°C | 10 mph16 km/h from Northwest | Partly Cloudy | Clear |
Yes
Low of 51°F11°C, High of 79°F26°CWind: 7 mph12 km/h
Precipitation: None