No
you don't need a jacket based on the weather in Mountain View, CA 94043, USA 1 second ago
78°F25°C & Clear
Wind is 8 mph13 km/h from the Northwest, gusting to 16 mph25 km/h
| September 16 | ||||
| 9pm | 77°F25°C | 8 mph13 km/h Northwest | Clear | |
| 10pm | 73°F23°C | 5 mph8 km/h Northwest | Clear | |
| 11pm | 70°F21°C | 4 mph6 km/h Northwest | Clear | |
| September 17 | ||||
| 12am | 68°F20°C | 2 mph4 km/h West | Clear | |
| 1am | 67°F20°C | 2 mph3 km/h Southwest | Clear | |
| 2am | 66°F19°C | 2 mph4 km/h West | Clear | |
| 3am | 64°F18°C | 2 mph3 km/h West | Clear | |
| 4am | 64°F18°C | 1 mph2 km/h West | Clear | |
| 5am | 63°F17°C | 1 mph2 km/h West | Clear | |
| 6am | 63°F17°C | 1 mph2 km/h West | Clear | |
| 7am | 62°F17°C | 1 mph2 km/h West | Clear | |
| 8am | 61°F16°C | 1 mph2 km/h West | Clear | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| September 16 | 62°F16°C | 82°F28°C | 5 mph9 km/h from Northwest | Clear | Clear |
| September 17 | 60°F16°C | 86°F30°C | 5 mph8 km/h from Northwest | Mostly Clear | Mostly Cloudy |
| September 18 | 64°F18°C | 77°F25°C | 4 mph6 km/h from West | Cloudy | Mostly Cloudy |
| September 19 | 62°F17°C | 77°F25°C | 4 mph6 km/h from West | Partly Cloudy | Mostly Clear |
| September 20 | 60°F15°C | 78°F25°C | 4 mph7 km/h from Northwest | Mostly Clear | Mostly Clear |
| September 21 | 58°F15°C | 83°F28°C | 4 mph7 km/h from Northwest | Mostly Clear | Mostly Clear |
| September 22 | 61°F16°C | 79°F26°C | 4 mph7 km/h from Northwest | Partly Cloudy | Partly Cloudy |
No
Low of 61°F16°C, High of 85°F30°CWind: 5 mph8 km/h
Precipitation: None