No
you don't need a jacket based on the weather in Pittsburg, CA, USA 30 minutes ago
78°F25°C & Mostly Cloudy
Wind is 10 mph16 km/h from the West, gusting to 18 mph29 km/h
| September 18 | ||||
| 2pm | 80°F27°C | 10 mph16 km/h West | Mostly Cloudy | |
| 3pm | 83°F28°C | 11 mph17 km/h West | Partly Cloudy | |
| 4pm | 83°F28°C | 12 mph20 km/h Southwest | Cloudy | |
| 5pm | 84°F29°C | 13 mph20 km/h Southwest | Cloudy | |
| 6pm | 83°F29°C | 13 mph20 km/h West | Cloudy | |
| 7pm | 82°F28°C | 13 mph20 km/h West | Cloudy | |
| 8pm | 79°F26°C | 13 mph21 km/h West | Cloudy | |
| 9pm | 76°F25°C | 11 mph18 km/h West | Cloudy | |
| 10pm | 73°F23°C | 12 mph19 km/h West | Cloudy | |
| 11pm | 71°F22°C | 10 mph16 km/h West | Cloudy | |
| September 19 | ||||
| 12am | 70°F21°C | 9 mph15 km/h West | Cloudy | |
| 1am | 69°F21°C | 8 mph13 km/h West | Cloudy | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| September 18 | 68°F20°C | 84°F29°C | 11 mph17 km/h from West | Mostly Cloudy | Mostly Cloudy |
| September 19 | 63°F17°C | 80°F27°C | 5 mph8 km/h from West | Partly Cloudy | Mostly Clear |
| September 20 | 60°F16°C | 83°F28°C | 8 mph12 km/h from West | Clear | Clear |
| September 21 | 59°F15°C | 85°F29°C | 8 mph12 km/h from West | Clear | Clear |
| September 22 | 61°F16°C | 93°F34°C | 4 mph6 km/h from Northwest | Clear | Mostly Clear |
| September 23 | 65°F18°C | 84°F29°C | 6 mph10 km/h from West | Partly Cloudy | Partly Cloudy |
| September 24 | 62°F17°C | 79°F26°C | 8 mph13 km/h from West | Mostly Clear | Mostly Clear |
No
Low of 63°F17°C, High of 81°F27°CWind: 5 mph8 km/h
Precipitation: 19% rain