Yes
you do need a jacket based on the weather in Penryn, CA, USA 1 second ago
Why? Because just cool enough for a jacket, but not warm enough to ditch it!
52°F11°C & Mostly Clear
Wind is 5 mph8 km/h from the Southeast, gusting to 8 mph13 km/h
| November 4 | ||||
| 1pm | 52°F11°C | 5 mph9 km/h Southeast | Mostly Clear | |
| 2pm | 52°F11°C | 5 mph8 km/h East | Mostly Clear | |
| 3pm | 52°F11°C | 5 mph8 km/h East | Partly Cloudy | |
| 4pm | 56°F14°C | 4 mph6 km/h Southeast | Mostly Cloudy | |
| 5pm | 60°F16°C | 4 mph6 km/h South | Partly Cloudy | |
| 6pm | 63°F17°C | 4 mph6 km/h South | Cloudy | |
| 7pm | 66°F19°C | 6 mph10 km/h South | Cloudy | |
| 8pm | 68°F20°C | 6 mph9 km/h South | Mostly Cloudy | |
| 9pm | 70°F21°C | 7 mph11 km/h South | Mostly Cloudy | |
| 10pm | 70°F21°C | 7 mph11 km/h South | Cloudy | |
| 11pm | 70°F21°C | 7 mph11 km/h South | Cloudy | |
| November 5 | ||||
| 12am | 69°F20°C | 6 mph10 km/h Southwest | Cloudy | |
| Date | Low | High | Wind | Day | Night | 
|---|---|---|---|---|---|
| November 4 | 52°F11°C | 70°F21°C | 5 mph8 km/h from South | Mostly Cloudy | Rain | 
| November 5 | 55°F13°C | 60°F15°C | 14 mph23 km/h from South | Rain | Drizzle | 
| November 6 | 51°F11°C | 66°F19°C | 3 mph5 km/h from Southwest | Partly Cloudy | Partly Cloudy | 
| November 7 | 54°F12°C | 66°F19°C | 4 mph6 km/h from West | Partly Cloudy | Clear | 
| November 8 | 50°F10°C | 68°F20°C | 3 mph5 km/h from South | Partly Cloudy | Partly Cloudy | 
| November 9 | 51°F10°C | 70°F21°C | 3 mph5 km/h from Northwest | Partly Cloudy | Mostly Cloudy | 
| November 10 | 54°F12°C | 70°F21°C | 2 mph3 km/h from Northwest | Mostly Cloudy | Mostly Cloudy | 
Yes
Low of 55°F13°C, High of 60°F16°CWind: 14 mph23 km/h
Precipitation: 96% rain