Yes
you do need a jacket based on the weather in Pleasanton, CA, USA 1 second ago
Why? Because just cool enough for a jacket, but not warm enough to ditch it!
58°F14°C & Clear
Wind is 6 mph10 km/h from the South, gusting to 11 mph18 km/h
| August 5 | ||||
| 4am | 57°F14°C | 6 mph10 km/h South | Clear | |
| 5am | 56°F13°C | 6 mph9 km/h South | Clear | |
| 6am | 55°F13°C | 5 mph8 km/h South | Clear | |
| 7am | 54°F12°C | 4 mph7 km/h South | Clear | |
| 8am | 54°F12°C | 5 mph7 km/h South | Clear | |
| 9am | 53°F12°C | 5 mph8 km/h South | Clear | |
| 10am | 54°F12°C | 5 mph8 km/h Southwest | Mostly Clear | |
| 11am | 57°F14°C | 5 mph8 km/h Southwest | Mostly Clear | |
| 12pm | 60°F16°C | 6 mph9 km/h Southwest | Mostly Clear | |
| 1pm | 64°F18°C | 6 mph9 km/h Southwest | Clear | |
| 2pm | 68°F20°C | 6 mph10 km/h Southwest | Clear | |
| 3pm | 72°F22°C | 8 mph12 km/h Southwest | Clear | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| August 5 | 53°F12°C | 77°F25°C | 7 mph12 km/h from Southwest | Clear | Clear |
| August 6 | 54°F12°C | 85°F29°C | 6 mph9 km/h from West | Clear | Mostly Clear |
| August 7 | 57°F14°C | 81°F27°C | 7 mph11 km/h from Southwest | Mostly Clear | Mostly Clear |
| August 8 | 56°F14°C | 89°F32°C | 4 mph7 km/h from West | Clear | Clear |
| August 9 | 59°F15°C | 88°F31°C | 6 mph9 km/h from West | Clear | Clear |
| August 10 | 57°F14°C | 85°F30°C | 6 mph10 km/h from West | Clear | Mostly Clear |
| August 11 | 56°F13°C | 79°F26°C | 7 mph11 km/h from West | Clear | Mostly Clear |
Yes
Low of 54°F12°C, High of 85°F30°CWind: 6 mph9 km/h
Precipitation: None