No
you don't need a jacket based on the weather in Pleasanton, CA, USA 1 second ago
79°F26°C & Partly Cloudy
Wind is 3 mph5 km/h from the South, gusting to 6 mph9 km/h
| September 18 | ||||
| 12am | 78°F26°C | 3 mph5 km/h South | Partly Cloudy | |
| 1am | 76°F25°C | 3 mph5 km/h South | Cloudy | |
| 2am | 74°F23°C | 4 mph6 km/h South | Mostly Cloudy | |
| 3am | 73°F23°C | 4 mph7 km/h South | Cloudy | |
| 4am | 72°F22°C | 3 mph6 km/h South | Cloudy | |
| 5am | 72°F22°C | 3 mph5 km/h Southwest | Cloudy | |
| 6am | 70°F21°C | 3 mph5 km/h Southwest | Cloudy | |
| 7am | 66°F19°C | 2 mph4 km/h Southwest | Mostly Cloudy | |
| 8am | 65°F19°C | 2 mph4 km/h Southwest | Mostly Cloudy | |
| 9am | 64°F18°C | 3 mph4 km/h Southwest | Cloudy | |
| 10am | 63°F17°C | 3 mph4 km/h Southwest | Cloudy | |
| 11am | 65°F18°C | 3 mph6 km/h Southwest | Cloudy | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| September 17 | 61°F16°C | 96°F35°C | 3 mph5 km/h from West | Clear | Mostly Cloudy |
| September 18 | 63°F17°C | 79°F26°C | 6 mph9 km/h from Southwest | Cloudy | Mostly Cloudy |
| September 19 | 62°F16°C | 76°F24°C | 3 mph5 km/h from West | Partly Cloudy | Partly Cloudy |
| September 20 | 58°F15°C | 82°F28°C | 5 mph8 km/h from West | Mostly Clear | Mostly Clear |
| September 21 | 58°F14°C | 82°F28°C | 4 mph7 km/h from West | Mostly Clear | Clear |
| September 22 | 58°F14°C | 91°F33°C | 3 mph5 km/h from Northwest | Clear | Mostly Clear |
| September 23 | 63°F17°C | 82°F28°C | 4 mph7 km/h from Southwest | Drizzle | Partly Cloudy |
No
Low of 63°F17°C, High of 80°F27°CWind: 6 mph9 km/h
Precipitation: 8% rain