No
you don't need a jacket based on the weather in Mountain View, CA, USA 1 second ago
63°F17°C & Partly Cloudy
Wind is 4 mph6 km/h from the West, gusting to 10 mph16 km/h
| September 11 | ||||
| 1am | 63°F17°C | 3 mph4 km/h West | Mostly Cloudy | |
| 2am | 63°F17°C | 2 mph4 km/h Northwest | Mostly Cloudy | |
| 3am | 63°F17°C | 3 mph5 km/h Northwest | Mostly Cloudy | |
| 4am | 62°F17°C | 3 mph5 km/h Northwest | Mostly Cloudy | |
| 5am | 61°F16°C | 3 mph6 km/h Northwest | Mostly Cloudy | |
| 6am | 61°F16°C | 3 mph4 km/h West | Mostly Cloudy | |
| 7am | 61°F16°C | 4 mph6 km/h West | Mostly Cloudy | |
| 8am | 60°F15°C | 3 mph5 km/h West | Cloudy | |
| 9am | 60°F15°C | 3 mph5 km/h West | Cloudy | |
| 10am | 60°F16°C | 3 mph4 km/h West | Cloudy | |
| 11am | 61°F16°C | 2 mph4 km/h Southwest | Mostly Cloudy | |
| 12pm | 63°F17°C | 3 mph4 km/h Southwest | Mostly Cloudy | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| September 10 | 63°F17°C | 73°F23°C | 2 mph3 km/h from North | Mostly Cloudy | Mostly Cloudy |
| September 11 | 60°F15°C | 74°F24°C | 5 mph8 km/h from West | Partly Cloudy | Partly Cloudy |
| September 12 | 57°F14°C | 79°F26°C | 5 mph8 km/h from Northwest | Clear | Mostly Clear |
| September 13 | 57°F14°C | 76°F24°C | 5 mph8 km/h from Northwest | Mostly Clear | Mostly Clear |
| September 14 | 58°F14°C | 78°F25°C | 6 mph10 km/h from Northwest | Mostly Clear | Clear |
| September 15 | 57°F14°C | 84°F29°C | 4 mph7 km/h from Northwest | Clear | Clear |
| September 16 | 60°F16°C | 90°F32°C | 4 mph6 km/h from Northwest | Clear | Clear |
No
Low of 60°F16°C, High of 74°F24°CWind: 5 mph8 km/h
Precipitation: None