No
you don't need a jacket based on the weather in Pleasanton, CA, USA 1 second ago
67°F20°C & Clear
Wind is 2 mph3 km/h from the Northwest, gusting to 6 mph10 km/h
| May 19 | ||||
| 1pm | 69°F21°C | 2 mph4 km/h Northwest | Clear | |
| 2pm | 74°F24°C | 5 mph8 km/h Northwest | Clear | |
| 3pm | 78°F25°C | 9 mph14 km/h Northwest | Clear | |
| 4pm | 80°F27°C | 9 mph15 km/h Northwest | Clear | |
| 5pm | 81°F27°C | 11 mph17 km/h West | Clear | |
| 6pm | 81°F27°C | 12 mph19 km/h West | Clear | |
| 7pm | 80°F27°C | 12 mph20 km/h West | Clear | |
| 8pm | 78°F26°C | 12 mph19 km/h West | Clear | |
| 9pm | 75°F24°C | 10 mph17 km/h West | Clear | |
| 10pm | 72°F22°C | 8 mph14 km/h Southwest | Clear | |
| 11pm | 67°F19°C | 7 mph12 km/h Southwest | Clear | |
| May 20 | ||||
| 12am | 62°F17°C | 7 mph12 km/h Southwest | Clear | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| May 19 | 52°F11°C | 81°F27°C | 7 mph12 km/h from West | Clear | Mostly Clear |
| May 20 | 50°F10°C | 78°F26°C | 6 mph10 km/h from West | Clear | Clear |
| May 21 | 48°F9°C | 83°F28°C | 6 mph9 km/h from West | Clear | Mostly Clear |
| May 22 | 51°F10°C | 75°F24°C | 9 mph15 km/h from Southwest | Mostly Clear | Mostly Clear |
| May 23 | 49°F9°C | 66°F19°C | 12 mph19 km/h from Southwest | Mostly Clear | Partly Cloudy |
| May 24 | 50°F10°C | 69°F21°C | 8 mph13 km/h from West | Mostly Clear | Partly Cloudy |
| May 25 | 51°F11°C | 70°F21°C | 11 mph17 km/h from Southwest | Partly Cloudy | Mostly Cloudy |
Yes
Low of 50°F10°C, High of 78°F26°CWind: 6 mph10 km/h
Precipitation: None