No
you don't need a jacket based on the weather in Fort Collins, CO, USA 1 second ago
73°F23°C & Clear
Wind is 7 mph12 km/h from the South, gusting to 10 mph16 km/h
| September 18 | ||||
| 8pm | 73°F23°C | 7 mph12 km/h South | Clear | |
| 9pm | 69°F20°C | 6 mph10 km/h South | Clear | |
| 10pm | 64°F18°C | 4 mph7 km/h South | Clear | |
| 11pm | 61°F16°C | 4 mph6 km/h South | Clear | |
| September 19 | ||||
| 12am | 59°F15°C | 3 mph5 km/h South | Clear | |
| 1am | 56°F14°C | 4 mph6 km/h Northeast | Clear | |
| 2am | 54°F12°C | 3 mph5 km/h Northwest | Clear | |
| 3am | 53°F12°C | 4 mph7 km/h Northwest | Clear | |
| 4am | 52°F11°C | 4 mph7 km/h Northwest | Clear | |
| 5am | 51°F10°C | 5 mph7 km/h Northwest | Clear | |
| 6am | 50°F10°C | 5 mph8 km/h Northwest | Mostly Clear | |
| 7am | 49°F9°C | 5 mph8 km/h Northwest | Mostly Clear | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| September 18 | 45°F7°C | 74°F23°C | 4 mph6 km/h from South | Clear | Clear |
| September 19 | 48°F9°C | 79°F26°C | 5 mph9 km/h from Southeast | Partly Cloudy | Mostly Cloudy |
| September 20 | 54°F12°C | 78°F26°C | 4 mph6 km/h from South | Mostly Cloudy | Mostly Clear |
| September 21 | 56°F13°C | 79°F26°C | 4 mph6 km/h from West | Partly Cloudy | Partly Cloudy |
| September 22 | 51°F11°C | 74°F23°C | 8 mph14 km/h from North | Mostly Cloudy | Drizzle |
| September 23 | 46°F8°C | 70°F21°C | 5 mph8 km/h from Northeast | Mostly Clear | Mostly Clear |
| September 24 | 46°F8°C | 73°F23°C | 5 mph8 km/h from Southeast | Clear | Mostly Clear |
Yes
Low of 48°F9°C, High of 79°F26°CWind: 5 mph9 km/h
Precipitation: None