Yes
you do need a jacket based on the weather in Atherton, CA 94027, USA 1 second ago
Why? Because it's quite chilly!
46°F8°C & Mostly Cloudy
Wind is 2 mph3 km/h from the South, gusting to 3 mph5 km/h
| January 18 | ||||
| 5am | 46°F8°C | 2 mph3 km/h Southwest | Cloudy | |
| 6am | 46°F8°C | 2 mph3 km/h Southwest | Cloudy | |
| 7am | 45°F7°C | 3 mph4 km/h Southwest | Mostly Cloudy | |
| 8am | 44°F7°C | 3 mph5 km/h South | Cloudy | |
| 9am | 44°F6°C | 3 mph4 km/h South | Cloudy | |
| 10am | 43°F6°C | 3 mph5 km/h South | Mostly Cloudy | |
| 11am | 44°F6°C | 2 mph4 km/h South | Mostly Cloudy | |
| 12pm | 45°F7°C | 1 mph2 km/h Southeast | Partly Cloudy | |
| 1pm | 48°F9°C | 1 mph2 km/h East | Partly Cloudy | |
| 2pm | 51°F10°C | 2 mph2 km/h Northeast | Mostly Clear | |
| 3pm | 53°F12°C | 2 mph3 km/h North | Mostly Clear | |
| 4pm | 56°F13°C | 3 mph4 km/h North | Clear | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| January 18 | 43°F6°C | 57°F14°C | 3 mph4 km/h from Northwest | Mostly Clear | Mostly Clear |
| January 19 | 40°F5°C | 56°F13°C | 3 mph5 km/h from Northwest | Mostly Clear | Mostly Clear |
| January 20 | 41°F5°C | 59°F15°C | 5 mph9 km/h from Northeast | Clear | Clear |
| January 21 | 40°F4°C | 59°F15°C | 2 mph4 km/h from North | Partly Cloudy | Mostly Clear |
| January 22 | 40°F5°C | 61°F16°C | 2 mph4 km/h from North | Clear | Mostly Clear |
| January 23 | 42°F6°C | 60°F15°C | 2 mph3 km/h from North | Partly Cloudy | Partly Cloudy |
| January 24 | 43°F6°C | 57°F14°C | 5 mph8 km/h from Northwest | Mostly Cloudy | Partly Cloudy |
Yes
Low of 40°F5°C, High of 55°F13°CWind: 3 mph5 km/h
Precipitation: None