No
you don't need a jacket based on the weather in South San Francisco, CA, USA 1 second ago
65°F18°C & Mostly Clear
Wind is 6 mph9 km/h from the Northwest, gusting to 9 mph14 km/h
| November 7 | ||||
| 11pm | 65°F18°C | 7 mph11 km/h Northwest | Mostly Clear | |
| November 8 | ||||
| 12am | 63°F17°C | 8 mph12 km/h Northwest | Mostly Clear | |
| 1am | 61°F16°C | 7 mph12 km/h West | Mostly Clear | |
| 2am | 59°F15°C | 7 mph11 km/h West | Mostly Clear | |
| 3am | 58°F14°C | 7 mph11 km/h West | Mostly Clear | |
| 4am | 57°F14°C | 6 mph9 km/h West | Mostly Clear | |
| 5am | 56°F13°C | 4 mph7 km/h Northwest | Mostly Clear | |
| 6am | 56°F14°C | 3 mph4 km/h Northwest | Partly Cloudy | |
| 7am | 56°F13°C | 2 mph3 km/h Northwest | Partly Cloudy | |
| 8am | 56°F13°C | 2 mph3 km/h Southwest | Partly Cloudy | |
| 9am | 56°F13°C | 2 mph3 km/h South | Partly Cloudy | |
| 10am | 55°F13°C | 2 mph3 km/h East | Mostly Cloudy | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| November 7 | 54°F12°C | 66°F19°C | 4 mph7 km/h from Northwest | Partly Cloudy | Partly Cloudy |
| November 8 | 54°F12°C | 69°F20°C | 3 mph6 km/h from North | Mostly Clear | Mostly Clear |
| November 9 | 56°F14°C | 73°F23°C | 4 mph6 km/h from Northeast | Partly Cloudy | Partly Cloudy |
| November 10 | 58°F14°C | 73°F23°C | 4 mph6 km/h from North | Mostly Cloudy | Mostly Cloudy |
| November 11 | 57°F14°C | 72°F22°C | 3 mph4 km/h from Northwest | Mostly Clear | Mostly Cloudy |
| November 12 | 56°F14°C | 64°F18°C | 7 mph12 km/h from South | Mostly Cloudy | Rain |
| November 13 | 55°F13°C | 63°F17°C | 11 mph18 km/h from South | Rain | Drizzle |
Yes
Low of 55°F13°C, High of 69°F21°CWind: 3 mph6 km/h
Precipitation: None