No
you don't need a jacket based on the weather in Costa Mesa, CA, USA 1 second ago
71°F22°C & Mostly Clear
Wind is 4 mph6 km/h from the South, gusting to 7 mph11 km/h
| June 18 | ||||
| 12pm | 72°F22°C | 4 mph7 km/h South | Partly Cloudy | |
| 1pm | 75°F24°C | 6 mph10 km/h South | Mostly Clear | |
| 2pm | 77°F25°C | 7 mph11 km/h Southwest | Clear | |
| 3pm | 79°F26°C | 8 mph13 km/h Southwest | Clear | |
| 4pm | 80°F27°C | 9 mph14 km/h Southwest | Clear | |
| 5pm | 80°F27°C | 9 mph14 km/h Southwest | Clear | |
| 6pm | 80°F27°C | 9 mph14 km/h Southwest | Clear | |
| 7pm | 79°F26°C | 8 mph13 km/h Southwest | Clear | |
| 8pm | 77°F25°C | 8 mph13 km/h Southwest | Clear | |
| 9pm | 75°F24°C | 7 mph12 km/h Southwest | Clear | |
| 10pm | 73°F23°C | 6 mph10 km/h South | Clear | |
| 11pm | 71°F21°C | 5 mph9 km/h South | Clear | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| June 18 | 61°F16°C | 81°F27°C | 7 mph11 km/h from Southwest | Mostly Clear | Partly Cloudy |
| June 19 | 63°F17°C | 76°F24°C | 7 mph11 km/h from Southwest | Mostly Clear | Partly Cloudy |
| June 20 | 63°F17°C | 75°F24°C | 7 mph11 km/h from Southwest | Mostly Clear | Partly Cloudy |
| June 21 | 63°F17°C | 75°F24°C | 8 mph12 km/h from South | Mostly Clear | Mostly Clear |
| June 22 | 61°F16°C | 76°F24°C | 7 mph11 km/h from Southwest | Clear | Mostly Clear |
| June 23 | 62°F17°C | 75°F24°C | 8 mph12 km/h from South | Clear | Partly Cloudy |
| June 24 | 60°F16°C | 74°F24°C | 7 mph11 km/h from Southwest | Mostly Clear | Partly Cloudy |
No
Low of 63°F17°C, High of 76°F25°CWind: 7 mph11 km/h
Precipitation: None