Yes
you do need a jacket based on the weather in Greenwood Village (Denver Tech Center), Colorado, United States 1 second ago
Why? Because just cool enough for a jacket, but not warm enough to ditch it!
54°F12°C & Mostly Cloudy
Wind is 2 mph4 km/h from the Northwest, gusting to 11 mph17 km/h
| September 18 | ||||
| 1am | 53°F11°C | 2 mph4 km/h Northwest | Partly Cloudy | |
| 2am | 51°F11°C | 4 mph6 km/h South | Partly Cloudy | |
| 3am | 51°F10°C | 3 mph5 km/h South | Mostly Clear | |
| 4am | 49°F10°C | 4 mph7 km/h South | Mostly Cloudy | |
| 5am | 48°F9°C | 5 mph7 km/h South | Mostly Clear | |
| 6am | 47°F8°C | 5 mph8 km/h South | Mostly Clear | |
| 7am | 47°F8°C | 4 mph7 km/h South | Mostly Clear | |
| 8am | 46°F8°C | 4 mph7 km/h South | Mostly Clear | |
| 9am | 46°F8°C | 4 mph7 km/h South | Mostly Clear | |
| 10am | 49°F10°C | 4 mph6 km/h South | Mostly Clear | |
| 11am | 54°F12°C | 3 mph5 km/h South | Clear | |
| 12pm | 58°F15°C | 2 mph4 km/h South | Clear | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| September 17 | 46°F8°C | 69°F21°C | 3 mph5 km/h from Northeast | Partly Cloudy | Drizzle |
| September 18 | 46°F8°C | 71°F22°C | 4 mph7 km/h from East | Clear | Clear |
| September 19 | 48°F9°C | 78°F26°C | 5 mph8 km/h from East | Mostly Clear | Mostly Cloudy |
| September 20 | 54°F12°C | 78°F25°C | 5 mph8 km/h from Northwest | Partly Cloudy | Mostly Clear |
| September 21 | 53°F12°C | 78°F25°C | 5 mph8 km/h from West | Mostly Clear | Partly Cloudy |
| September 22 | 52°F11°C | 76°F25°C | 8 mph13 km/h from North | Mostly Clear | Clear |
| September 23 | 47°F9°C | 75°F24°C | 6 mph10 km/h from Northeast | Clear | Clear |
Yes
Low of 46°F8°C, High of 71°F22°CWind: 4 mph7 km/h
Precipitation: None