Yes
you do need a jacket based on the weather in Palo Alto, CA, USA 1 second ago
Why? Because it's cool. Pleasantly cool, but cool.
59°F15°C & Clear
Wind is 3 mph5 km/h from the W, gusting to 6 mph10 km/h
| April 20 | ||||
| 12am | 57°F14°C | 3 mph4 km/h W | Clear | |
| 1am | 55°F13°C | 2 mph4 km/h SW | Mostly Clear | |
| 2am | 54°F12°C | 3 mph4 km/h SW | Partly Cloudy | |
| 3am | 54°F12°C | 3 mph5 km/h SW | Partly Cloudy | |
| 4am | 52°F11°C | 3 mph5 km/h SW | Partly Cloudy | |
| 5am | 51°F11°C | 3 mph5 km/h W | Partly Cloudy | |
| 6am | 50°F10°C | 3 mph5 km/h W | Partly Cloudy | |
| 7am | 50°F10°C | 3 mph5 km/h SW | Partly Cloudy | |
| 8am | 49°F10°C | 3 mph5 km/h SW | Mostly Cloudy | |
| 9am | 50°F10°C | 3 mph5 km/h SW | Cloudy | |
| 10am | 50°F10°C | 3 mph5 km/h SW | Cloudy | |
| 11am | 53°F12°C | 3 mph5 km/h SW | Mostly Cloudy | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| April 19 | 50°F10°C | 69°F21°C | 4 mph6 km/h from N | Mostly Clear | Partly Cloudy |
| April 20 | 49°F10°C | 74°F23°C | 6 mph10 km/h from W | Mostly Clear | Mostly Clear |
| April 21 | 51°F11°C | 76°F24°C | 5 mph7 km/h from NW | Clear | Mostly Clear |
| April 22 | 52°F11°C | 74°F23°C | 5 mph8 km/h from W | Mostly Clear | Partly Cloudy |
| April 23 | 51°F11°C | 68°F20°C | 6 mph10 km/h from SW | Partly Cloudy | Mostly Cloudy |
| April 24 | 50°F10°C | 66°F19°C | 5 mph8 km/h from W | Mostly Cloudy | Mostly Cloudy |
| April 25 | 50°F10°C | 63°F17°C | 9 mph14 km/h from W | Mostly Cloudy | Mostly Cloudy |
Yes
Low of 49°F10°C, High of 74°F24°CWind: 6 mph10 km/h
Precipitation: None