No
you don't need a jacket based on the weather in San Ramon, CA 94583, USA 1 second ago
78°F26°C & Clear
Wind is 9 mph15 km/h from the West, gusting to 15 mph24 km/h
| August 27 | ||||
| 8pm | 77°F25°C | 10 mph16 km/h West | Clear | |
| 9pm | 73°F23°C | 9 mph15 km/h West | Clear | |
| 10pm | 69°F20°C | 9 mph14 km/h West | Clear | |
| 11pm | 64°F18°C | 8 mph12 km/h West | Clear | |
| August 28 | ||||
| 12am | 62°F16°C | 6 mph10 km/h West | Clear | |
| 1am | 59°F15°C | 6 mph10 km/h West | Clear | |
| 2am | 58°F14°C | 6 mph9 km/h West | Clear | |
| 3am | 57°F14°C | 4 mph6 km/h Southwest | Mostly Clear | |
| 4am | 56°F13°C | 3 mph5 km/h Southwest | Mostly Clear | |
| 5am | 56°F13°C | 3 mph5 km/h Southwest | Mostly Clear | |
| 6am | 55°F13°C | 3 mph5 km/h Southwest | Mostly Clear | |
| 7am | 55°F13°C | 3 mph5 km/h Southwest | Partly Cloudy | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| August 27 | 57°F14°C | 80°F27°C | 7 mph11 km/h from Southwest | Mostly Clear | Mostly Clear |
| August 28 | 54°F12°C | 82°F28°C | 6 mph9 km/h from West | Clear | Mostly Clear |
| August 29 | 56°F14°C | 80°F27°C | 6 mph10 km/h from Southwest | Mostly Clear | Mostly Clear |
| August 30 | 55°F13°C | 88°F31°C | 5 mph8 km/h from Southwest | Clear | Mostly Clear |
| August 31 | 57°F14°C | 84°F29°C | 5 mph9 km/h from Southwest | Mostly Clear | Mostly Clear |
| September 1 | 56°F13°C | 77°F25°C | 6 mph10 km/h from Southwest | Clear | Partly Cloudy |
| September 2 | 55°F13°C | 76°F24°C | 6 mph9 km/h from Southwest | Mostly Clear | Mostly Clear |
Yes
Low of 55°F13°C, High of 82°F28°CWind: 6 mph9 km/h
Precipitation: None