No
you don't need a jacket based on the weather in Chula Vista, CA, USA 1 second ago
66°F19°C & Cloudy
Wind is 1 mph2 km/h from the Northwest, gusting to 2 mph4 km/h
| September 15 | ||||
| 7am | 66°F19°C | 1 mph2 km/h Northwest | Mostly Cloudy | |
| 8am | 65°F18°C | 2 mph3 km/h Northwest | Mostly Cloudy | |
| 9am | 65°F18°C | 2 mph4 km/h Northwest | Mostly Cloudy | |
| 10am | 64°F18°C | 2 mph3 km/h North | Mostly Cloudy | |
| 11am | 65°F19°C | 2 mph3 km/h Northwest | Mostly Cloudy | |
| 12pm | 67°F20°C | 2 mph4 km/h West | Partly Cloudy | |
| 1pm | 70°F21°C | 4 mph7 km/h West | Mostly Clear | |
| 2pm | 74°F23°C | 5 mph8 km/h West | Mostly Clear | |
| 3pm | 76°F25°C | 6 mph10 km/h West | Mostly Clear | |
| 4pm | 78°F25°C | 7 mph11 km/h West | Clear | |
| 5pm | 78°F26°C | 7 mph12 km/h West | Clear | |
| 6pm | 79°F26°C | 7 mph11 km/h West | Clear | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| September 15 | 64°F18°C | 79°F26°C | 5 mph8 km/h from West | Mostly Clear | Clear |
| September 16 | 67°F20°C | 85°F30°C | 5 mph8 km/h from West | Mostly Clear | Mostly Cloudy |
| September 17 | 70°F21°C | 81°F27°C | 4 mph7 km/h from Northwest | Mostly Cloudy | Thunderstorms |
| September 18 | 69°F21°C | 83°F28°C | 5 mph8 km/h from West | Partly Cloudy | Partly Cloudy |
| September 19 | 68°F20°C | 83°F28°C | 5 mph8 km/h from West | Mostly Clear | Mostly Clear |
| September 20 | 68°F20°C | 84°F29°C | 6 mph10 km/h from Northwest | Clear | Mostly Clear |
| September 21 | 67°F20°C | 82°F28°C | 6 mph9 km/h from Northwest | Mostly Clear | Partly Cloudy |
No
Low of 67°F20°C, High of 85°F30°CWind: 5 mph8 km/h
Precipitation: None