Yes
you do need a jacket based on the weather in Mountain View, CA 94040, USA 1 second ago
Why? Because just cool enough for a jacket, but not warm enough to ditch it!
55°F13°C & Clear
Wind is 1 mph2 km/h from the South, gusting to 2 mph3 km/h
| July 10 | ||||
| 7am | 55°F13°C | 1 mph2 km/h Southwest | Mostly Clear | |
| 8am | 54°F12°C | 1 mph2 km/h West | Mostly Clear | |
| 9am | 54°F12°C | 2 mph3 km/h South | Partly Cloudy | |
| 10am | 55°F13°C | 2 mph3 km/h Southeast | Partly Cloudy | |
| 11am | 59°F15°C | 1 mph2 km/h North | Mostly Clear | |
| 12pm | 64°F18°C | 2 mph3 km/h North | Clear | |
| 1pm | 70°F21°C | 3 mph4 km/h North | Clear | |
| 2pm | 75°F24°C | 4 mph6 km/h North | Clear | |
| 3pm | 79°F26°C | 5 mph7 km/h North | Clear | |
| 4pm | 83°F28°C | 6 mph9 km/h Northwest | Clear | |
| 5pm | 85°F30°C | 6 mph10 km/h Northwest | Clear | |
| 6pm | 86°F30°C | 7 mph11 km/h Northwest | Clear | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| July 10 | 54°F12°C | 86°F30°C | 5 mph8 km/h from Northwest | Clear | Clear |
| July 11 | 56°F13°C | 85°F29°C | 4 mph6 km/h from Northwest | Clear | Clear |
| July 12 | 55°F13°C | 82°F28°C | 3 mph5 km/h from Northwest | Clear | Mostly Clear |
| July 13 | 54°F12°C | 79°F26°C | 4 mph6 km/h from Northwest | Clear | Mostly Clear |
| July 14 | 54°F12°C | 78°F26°C | 4 mph6 km/h from Northwest | Clear | Clear |
| July 15 | 54°F12°C | 76°F24°C | 3 mph5 km/h from Southwest | Clear | Partly Cloudy |
| July 16 | 55°F13°C | 73°F23°C | 4 mph6 km/h from Southwest | Mostly Clear | Mostly Clear |
Yes
Low of 55°F13°C, High of 85°F30°CWind: 4 mph6 km/h
Precipitation: None