Yes
you do need a jacket based on the weather in Flagstaff, AZ, USA 1 second ago
Why? Because just cool enough for a jacket, but not warm enough to ditch it!
57°F14°C & Clear
Wind is 4 mph7 km/h from the Northwest, gusting to 7 mph11 km/h
| September 20 | ||||
| 12am | 57°F14°C | 4 mph7 km/h Northwest | Clear | |
| 1am | 56°F13°C | 5 mph8 km/h Northwest | Clear | |
| 2am | 55°F13°C | 5 mph9 km/h Northwest | Clear | |
| 3am | 55°F13°C | 5 mph8 km/h Northwest | Clear | |
| 4am | 54°F12°C | 5 mph8 km/h Northwest | Clear | |
| 5am | 53°F12°C | 5 mph9 km/h Northwest | Clear | |
| 6am | 53°F11°C | 5 mph8 km/h Northwest | Clear | |
| 7am | 52°F11°C | 4 mph7 km/h Northwest | Mostly Clear | |
| 8am | 52°F11°C | 4 mph7 km/h Northwest | Mostly Clear | |
| 9am | 51°F11°C | 4 mph7 km/h Northwest | Mostly Clear | |
| 10am | 53°F11°C | 4 mph7 km/h Northwest | Mostly Clear | |
| 11am | 58°F15°C | 4 mph6 km/h West | Clear | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| September 19 | 51°F11°C | 70°F21°C | 6 mph9 km/h from Southwest | Mostly Clear | Clear |
| September 20 | 51°F11°C | 72°F22°C | 9 mph14 km/h from Southwest | Mostly Clear | Clear |
| September 21 | 50°F10°C | 72°F22°C | 8 mph12 km/h from Southwest | Partly Cloudy | Mostly Cloudy |
| September 22 | 53°F12°C | 69°F20°C | 4 mph7 km/h from Southwest | Mostly Cloudy | Clear |
| September 23 | 51°F10°C | 74°F23°C | 4 mph7 km/h from East | Mostly Clear | Clear |
| September 24 | 50°F10°C | 75°F24°C | 7 mph12 km/h from Southeast | Mostly Clear | Clear |
| September 25 | 54°F12°C | 74°F23°C | 9 mph14 km/h from Southwest | Mostly Clear | Partly Cloudy |
Yes
Low of 51°F11°C, High of 73°F23°CWind: 9 mph14 km/h
Precipitation: None