Yes
you do need a jacket based on the weather in San Anselmo, CA 94960, USA 1 second ago
Why? Because just cool enough for a jacket, but not warm enough to ditch it!
53°F12°C & Mostly Clear
Wind is 5 mph8 km/h from the West, gusting to 12 mph20 km/h
| May 14 | ||||
| 3am | 51°F11°C | 4 mph7 km/h Southwest | Clear | |
| 4am | 50°F10°C | 4 mph7 km/h West | Clear | |
| 5am | 49°F10°C | 3 mph5 km/h West | Mostly Clear | |
| 6am | 48°F9°C | 3 mph4 km/h Southwest | Mostly Clear | |
| 7am | 47°F9°C | 3 mph5 km/h Southwest | Mostly Clear | |
| 8am | 48°F9°C | 2 mph4 km/h Southwest | Mostly Clear | |
| 9am | 49°F9°C | 2 mph4 km/h Southwest | Mostly Clear | |
| 10am | 50°F10°C | 2 mph3 km/h South | Mostly Clear | |
| 11am | 53°F12°C | 2 mph4 km/h South | Mostly Clear | |
| 12pm | 57°F14°C | 3 mph4 km/h South | Mostly Clear | |
| 1pm | 61°F16°C | 3 mph5 km/h South | Mostly Clear | |
| 2pm | 65°F18°C | 4 mph6 km/h South | Mostly Clear | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| May 13 | 48°F9°C | 67°F19°C | 4 mph6 km/h from West | Mostly Clear | Clear |
| May 14 | 47°F9°C | 69°F21°C | 6 mph9 km/h from Southwest | Partly Cloudy | Mostly Clear |
| May 15 | 49°F9°C | 71°F22°C | 6 mph10 km/h from Southwest | Mostly Clear | Mostly Cloudy |
| May 16 | 52°F11°C | 71°F22°C | 7 mph11 km/h from West | Mostly Clear | Mostly Cloudy |
| May 17 | 53°F12°C | 65°F18°C | 17 mph27 km/h from West | Windy | Clear |
| May 18 | 49°F9°C | 70°F21°C | 9 mph15 km/h from Northwest | Clear | Clear |
| May 19 | 51°F10°C | 76°F24°C | 8 mph13 km/h from Northwest | Clear | Clear |
Yes
Low of 47°F9°C, High of 70°F21°CWind: 6 mph9 km/h
Precipitation: None