No
you don't need a jacket based on the weather in San Mateo, CA 94403, USA 1 second ago
61°F16°C & Mostly Clear
Wind is 7 mph12 km/h from the W, gusting to 12 mph20 km/h
| April 19 | ||||
| 10pm | 59°F15°C | 7 mph11 km/h W | Mostly Clear | |
| 11pm | 57°F14°C | 5 mph8 km/h W | Mostly Clear | |
| April 20 | ||||
| 12am | 56°F13°C | 4 mph7 km/h SW | Mostly Clear | |
| 1am | 54°F12°C | 4 mph6 km/h SW | Partly Cloudy | |
| 2am | 53°F12°C | 4 mph6 km/h SW | Partly Cloudy | |
| 3am | 52°F11°C | 4 mph7 km/h SW | Partly Cloudy | |
| 4am | 51°F10°C | 4 mph7 km/h SW | Partly Cloudy | |
| 5am | 50°F10°C | 5 mph8 km/h SW | Partly Cloudy | |
| 6am | 49°F10°C | 4 mph7 km/h SW | Partly Cloudy | |
| 7am | 50°F10°C | 4 mph7 km/h SW | Mostly Cloudy | |
| 8am | 50°F10°C | 4 mph6 km/h SW | Cloudy | |
| 9am | 50°F10°C | 4 mph7 km/h SW | Cloudy | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| April 19 | 49°F10°C | 67°F19°C | 5 mph8 km/h from W | Mostly Clear | Partly Cloudy |
| April 20 | 49°F10°C | 68°F20°C | 7 mph11 km/h from W | Mostly Clear | Mostly Clear |
| April 21 | 51°F11°C | 70°F21°C | 5 mph9 km/h from W | Mostly Clear | Mostly Clear |
| April 22 | 52°F11°C | 68°F20°C | 7 mph11 km/h from SW | Partly Cloudy | Partly Cloudy |
| April 23 | 52°F11°C | 65°F18°C | 8 mph13 km/h from SW | Mostly Cloudy | Mostly Cloudy |
| April 24 | 51°F11°C | 63°F17°C | 8 mph12 km/h from W | Mostly Cloudy | Partly Cloudy |
| April 25 | 50°F10°C | 60°F16°C | 9 mph15 km/h from W | Mostly Cloudy | Mostly Cloudy |
Yes
Low of 49°F10°C, High of 68°F20°CWind: 7 mph11 km/h
Precipitation: None