No
you don't need a jacket based on the weather in San Luis Obispo, CA 93410, USA 1 second ago
70°F21°C & Mostly Clear
Wind is 6 mph9 km/h from the Northwest, gusting to 10 mph16 km/h
| May 15 | ||||
| 3pm | 71°F22°C | 8 mph13 km/h Northwest | Clear | |
| 4pm | 70°F21°C | 11 mph18 km/h Northwest | Clear | |
| 5pm | 70°F21°C | 12 mph19 km/h West | Clear | |
| 6pm | 69°F21°C | 12 mph19 km/h West | Clear | |
| 7pm | 68°F20°C | 11 mph18 km/h West | Clear | |
| 8pm | 66°F19°C | 10 mph16 km/h West | Clear | |
| 9pm | 64°F18°C | 9 mph14 km/h West | Clear | |
| 10pm | 62°F17°C | 6 mph9 km/h West | Clear | |
| 11pm | 58°F15°C | 4 mph6 km/h West | Clear | |
| May 16 | ||||
| 12am | 56°F13°C | 2 mph3 km/h West | Mostly Clear | |
| 1am | 54°F12°C | 1 mph2 km/h South | Partly Cloudy | |
| 2am | 53°F12°C | 2 mph3 km/h Southeast | Partly Cloudy | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| May 15 | 47°F8°C | 71°F22°C | 8 mph12 km/h from Northwest | Clear | Partly Cloudy |
| May 16 | 49°F9°C | 68°F20°C | 6 mph9 km/h from Southwest | Partly Cloudy | Mostly Cloudy |
| May 17 | 49°F10°C | 64°F18°C | 8 mph13 km/h from West | Mostly Cloudy | Mostly Clear |
| May 18 | 45°F7°C | 72°F22°C | 7 mph11 km/h from Northwest | Clear | Clear |
| May 19 | 52°F11°C | 80°F27°C | 6 mph10 km/h from Northwest | Clear | Clear |
| May 20 | 56°F13°C | 83°F28°C | 6 mph9 km/h from Northwest | Clear | Clear |
| May 21 | 56°F14°C | 83°F28°C | 5 mph8 km/h from Northwest | Clear | Clear |
Yes
Low of 49°F10°C, High of 68°F20°CWind: 6 mph9 km/h
Precipitation: None