No
you don't need a jacket based on the weather in Modesto, CA, USA 1 second ago
97°F36°C & Mostly Cloudy
Wind is 9 mph14 km/h from the Northwest, gusting to 14 mph22 km/h
| September 17 | ||||
| 10pm | 94°F34°C | 7 mph12 km/h Northwest | Cloudy | |
| 11pm | 89°F32°C | 9 mph14 km/h Northwest | Cloudy | |
| September 18 | ||||
| 12am | 86°F30°C | 9 mph14 km/h Northwest | Cloudy | |
| 1am | 84°F29°C | 8 mph13 km/h Northwest | Cloudy | |
| 2am | 82°F28°C | 7 mph11 km/h Northwest | Cloudy | |
| 3am | 79°F26°C | 5 mph9 km/h North | Cloudy | |
| 4am | 77°F25°C | 5 mph8 km/h North | Mostly Cloudy | |
| 5am | 76°F25°C | 5 mph7 km/h North | Mostly Cloudy | |
| 6am | 75°F24°C | 4 mph7 km/h North | Mostly Cloudy | |
| 7am | 73°F23°C | 3 mph6 km/h North | Mostly Cloudy | |
| 8am | 71°F22°C | 3 mph5 km/h Northwest | Mostly Cloudy | |
| 9am | 69°F21°C | 3 mph5 km/h North | Cloudy | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| September 17 | 68°F20°C | 98°F37°C | 8 mph12 km/h from Northwest | Mostly Clear | Mostly Cloudy |
| September 18 | 69°F20°C | 87°F30°C | 7 mph11 km/h from South | Cloudy | Cloudy |
| September 19 | 67°F19°C | 82°F28°C | 4 mph6 km/h from Southeast | Drizzle | Mostly Clear |
| September 20 | 62°F17°C | 87°F31°C | 7 mph10 km/h from Northwest | Clear | Clear |
| September 21 | 62°F17°C | 89°F32°C | 7 mph11 km/h from Northwest | Clear | Clear |
| September 22 | 64°F18°C | 95°F35°C | 5 mph7 km/h from Northwest | Clear | Mostly Clear |
| September 23 | 67°F19°C | 82°F28°C | 5 mph8 km/h from North | Partly Cloudy | Mostly Clear |
No
Low of 69°F21°C, High of 87°F31°CWind: 7 mph11 km/h
Precipitation: None