No
you don't need a jacket based on the weather in Costa Mesa (Downtown), California, United States 1 second ago
65°F18°C & Partly Cloudy
Wind is 3 mph5 km/h from the West, gusting to 7 mph11 km/h
| July 18 | ||||
| 4am | 65°F18°C | 4 mph6 km/h West | Partly Cloudy | |
| 5am | 64°F18°C | 4 mph6 km/h Northwest | Mostly Clear | |
| 6am | 64°F18°C | 4 mph6 km/h Northwest | Mostly Cloudy | |
| 7am | 64°F18°C | 3 mph5 km/h West | Mostly Cloudy | |
| 8am | 64°F18°C | 2 mph3 km/h Northwest | Mostly Cloudy | |
| 9am | 64°F18°C | 3 mph5 km/h Northwest | Mostly Cloudy | |
| 10am | 65°F18°C | 2 mph3 km/h West | Mostly Cloudy | |
| 11am | 67°F20°C | 3 mph5 km/h West | Mostly Cloudy | |
| 12pm | 69°F21°C | 4 mph6 km/h Southwest | Partly Cloudy | |
| 1pm | 71°F22°C | 5 mph8 km/h Southwest | Partly Cloudy | |
| 2pm | 73°F23°C | 7 mph11 km/h Southwest | Mostly Clear | |
| 3pm | 75°F24°C | 8 mph13 km/h Southwest | Mostly Clear | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| July 18 | 64°F18°C | 76°F24°C | 7 mph11 km/h from Southwest | Mostly Clear | Partly Cloudy |
| July 19 | 65°F18°C | 77°F25°C | 7 mph11 km/h from Southwest | Mostly Clear | Partly Cloudy |
| July 20 | 65°F18°C | 75°F24°C | 7 mph12 km/h from South | Partly Cloudy | Partly Cloudy |
| July 21 | 64°F18°C | 75°F24°C | 7 mph11 km/h from Southwest | Mostly Clear | Partly Cloudy |
| July 22 | 64°F18°C | 76°F24°C | 7 mph11 km/h from Southwest | Mostly Clear | Partly Cloudy |
| July 23 | 64°F18°C | 76°F24°C | 7 mph11 km/h from Southwest | Mostly Clear | Partly Cloudy |
| July 24 | 64°F18°C | 77°F25°C | 6 mph10 km/h from Southwest | Mostly Clear | Mostly Clear |
No
Low of 65°F19°C, High of 77°F25°CWind: 7 mph11 km/h
Precipitation: None