Yes
you do need a jacket based on the weather in San Diego, CA 92139, USA 1 second ago
Why? Because it's cool. Pleasantly cool, but cool.
58°F14°C & Cloudy
Wind is 1 mph2 km/h from the NW, gusting to 3 mph5 km/h
| May 18 | ||||
| 11am | 59°F15°C | 1 mph2 km/h NW | Mostly Cloudy | |
| 12pm | 61°F16°C | 2 mph4 km/h W | Mostly Cloudy | |
| 1pm | 64°F18°C | 4 mph6 km/h W | Partly Cloudy | |
| 2pm | 67°F19°C | 6 mph9 km/h W | Mostly Clear | |
| 3pm | 69°F20°C | 8 mph12 km/h W | Mostly Clear | |
| 4pm | 70°F21°C | 8 mph14 km/h W | Mostly Clear | |
| 5pm | 71°F22°C | 9 mph15 km/h W | Mostly Clear | |
| 6pm | 71°F21°C | 10 mph15 km/h W | Mostly Clear | |
| 7pm | 70°F21°C | 9 mph15 km/h W | Mostly Clear | |
| 8pm | 68°F20°C | 9 mph14 km/h W | Mostly Clear | |
| 9pm | 66°F19°C | 8 mph13 km/h W | Mostly Clear | |
| 10pm | 64°F18°C | 7 mph11 km/h W | Mostly Clear | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| May 18 | 57°F14°C | 71°F22°C | 7 mph11 km/h from W | Mostly Clear | Partly Cloudy |
| May 19 | 56°F14°C | 71°F22°C | 7 mph11 km/h from W | Mostly Clear | Partly Cloudy |
| May 20 | 53°F12°C | 69°F21°C | 7 mph11 km/h from W | Partly Cloudy | Partly Cloudy |
| May 21 | 54°F12°C | 70°F21°C | 7 mph10 km/h from W | Mostly Clear | Mostly Clear |
| May 22 | 52°F11°C | 69°F20°C | 7 mph11 km/h from SW | Mostly Clear | Mostly Cloudy |
| May 23 | 54°F12°C | 67°F20°C | 7 mph12 km/h from SW | Partly Cloudy | Mostly Cloudy |
| May 24 | 54°F12°C | 68°F20°C | 7 mph11 km/h from W | Partly Cloudy | Mostly Cloudy |
Yes
Low of 56°F14°C, High of 71°F22°CWind: 7 mph11 km/h
Precipitation: None