No
you don't need a jacket based on the weather in Santa Rosa, CA 95401, USA 1 second ago
79°F26°C & Clear
Wind is 10 mph16 km/h from the West, gusting to 14 mph23 km/h
| August 18 | ||||
| 6pm | 79°F26°C | 11 mph17 km/h West | Clear | |
| 7pm | 79°F26°C | 11 mph17 km/h Southwest | Clear | |
| 8pm | 78°F26°C | 10 mph16 km/h West | Clear | |
| 9pm | 76°F25°C | 9 mph14 km/h West | Clear | |
| 10pm | 74°F23°C | 7 mph11 km/h Southwest | Clear | |
| 11pm | 67°F20°C | 5 mph8 km/h South | Clear | |
| August 19 | ||||
| 12am | 63°F17°C | 5 mph8 km/h South | Clear | |
| 1am | 60°F15°C | 3 mph5 km/h South | Clear | |
| 2am | 58°F14°C | 3 mph4 km/h Southwest | Clear | |
| 3am | 56°F13°C | 2 mph4 km/h Southwest | Clear | |
| 4am | 55°F13°C | 2 mph4 km/h South | Mostly Clear | |
| 5am | 54°F12°C | 2 mph3 km/h South | Mostly Clear | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| August 18 | 48°F9°C | 79°F26°C | 6 mph9 km/h from Southwest | Clear | Mostly Clear |
| August 19 | 51°F10°C | 80°F27°C | 5 mph8 km/h from Southwest | Clear | Mostly Clear |
| August 20 | 54°F12°C | 89°F32°C | 5 mph8 km/h from Southwest | Clear | Clear |
| August 21 | 56°F13°C | 91°F33°C | 5 mph8 km/h from Southwest | Mostly Clear | Partly Cloudy |
| August 22 | 55°F13°C | 83°F28°C | 5 mph8 km/h from Southwest | Partly Cloudy | Partly Cloudy |
| August 23 | 55°F13°C | 78°F26°C | 5 mph8 km/h from Southwest | Mostly Clear | Partly Cloudy |
| August 24 | 55°F13°C | 77°F25°C | 5 mph8 km/h from Southwest | Mostly Clear | Partly Cloudy |
Yes
Low of 51°F11°C, High of 81°F27°CWind: 5 mph8 km/h
Precipitation: None