No
you don't need a jacket based on the weather in San Mateo (Hillsdale), California, United States 1 second ago
60°F16°C & Mostly Clear
Wind is 4 mph7 km/h from the Southwest, gusting to 7 mph11 km/h
| August 7 | ||||
| 4am | 60°F16°C | 4 mph7 km/h Southwest | Mostly Clear | |
| 5am | 59°F15°C | 5 mph8 km/h Southwest | Mostly Clear | |
| 6am | 58°F14°C | 6 mph9 km/h Southwest | Mostly Clear | |
| 7am | 57°F14°C | 6 mph9 km/h Southwest | Partly Cloudy | |
| 8am | 56°F13°C | 6 mph9 km/h Southwest | Partly Cloudy | |
| 9am | 55°F13°C | 6 mph9 km/h Southwest | Partly Cloudy | |
| 10am | 56°F13°C | 6 mph10 km/h Southwest | Partly Cloudy | |
| 11am | 57°F14°C | 6 mph10 km/h Southwest | Mostly Cloudy | |
| 12pm | 60°F15°C | 6 mph10 km/h Southwest | Mostly Cloudy | |
| 1pm | 62°F17°C | 7 mph11 km/h Southwest | Mostly Cloudy | |
| 2pm | 66°F19°C | 7 mph11 km/h West | Mostly Cloudy | |
| 3pm | 68°F20°C | 8 mph12 km/h West | Partly Cloudy | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| August 7 | 55°F13°C | 71°F22°C | 8 mph13 km/h from West | Partly Cloudy | Partly Cloudy |
| August 8 | 55°F13°C | 74°F23°C | 4 mph7 km/h from West | Mostly Clear | Mostly Clear |
| August 9 | 56°F13°C | 74°F23°C | 5 mph8 km/h from West | Mostly Clear | Mostly Clear |
| August 10 | 56°F13°C | 71°F22°C | 4 mph7 km/h from West | Mostly Clear | Partly Cloudy |
| August 11 | 56°F13°C | 70°F21°C | 5 mph8 km/h from West | Mostly Clear | Partly Cloudy |
| August 12 | 57°F14°C | 69°F20°C | 6 mph9 km/h from West | Mostly Clear | Partly Cloudy |
| August 13 | 57°F14°C | 68°F20°C | 6 mph10 km/h from West | Partly Cloudy | Mostly Cloudy |
Yes
Low of 55°F13°C, High of 73°F23°CWind: 4 mph7 km/h
Precipitation: None