No
you don't need a jacket based on the weather in San Luis Obispo, CA 93410, USA 1 second ago
60°F16°C & Mostly Cloudy
Wind is 2 mph3 km/h from the West, gusting to 4 mph6 km/h
| September 26 | ||||
| 3am | 60°F16°C | 2 mph3 km/h West | Mostly Cloudy | |
| 4am | 60°F15°C | 1 mph2 km/h Southwest | Mostly Cloudy | |
| 5am | 59°F15°C | 2 mph3 km/h Southwest | Haze | |
| 6am | 59°F15°C | 2 mph3 km/h Southwest | Haze | |
| 7am | 58°F15°C | 2 mph3 km/h Northwest | Mostly Cloudy | |
| 8am | 58°F14°C | 1 mph2 km/h North | Mostly Cloudy | |
| 9am | 58°F14°C | 2 mph3 km/h Northeast | Mostly Cloudy | |
| 10am | 59°F15°C | 2 mph3 km/h North | Mostly Cloudy | |
| 11am | 60°F15°C | 2 mph3 km/h North | Partly Cloudy | |
| 12pm | 62°F17°C | 1 mph2 km/h Northwest | Partly Cloudy | |
| 1pm | 65°F19°C | 2 mph3 km/h West | Mostly Clear | |
| 2pm | 69°F21°C | 3 mph5 km/h Southwest | Mostly Clear | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| September 25 | 60°F16°C | 75°F24°C | 6 mph9 km/h from Northwest | Mostly Clear | Mostly Cloudy |
| September 26 | 58°F14°C | 76°F25°C | 4 mph6 km/h from Southwest | Mostly Clear | Mostly Clear |
| September 27 | 59°F15°C | 69°F20°C | 5 mph8 km/h from Southwest | Mostly Cloudy | Cloudy |
| September 28 | 61°F16°C | 69°F21°C | 5 mph8 km/h from Southwest | Cloudy | Cloudy |
| September 29 | 59°F15°C | 70°F21°C | 5 mph7 km/h from Southwest | Mostly Cloudy | Mostly Cloudy |
| September 30 | 57°F14°C | 70°F21°C | 6 mph9 km/h from Southwest | Partly Cloudy | Partly Cloudy |
| October 1 | 57°F14°C | 73°F23°C | 5 mph8 km/h from West | Mostly Clear | Clear |
Yes
Low of 58°F15°C, High of 76°F25°CWind: 4 mph6 km/h
Precipitation: None