No
you don't need a jacket based on the weather in Alum Rock (Alum Rock), California, United States 1 second ago
61°F16°C & Partly Cloudy
Wind is 3 mph5 km/h from the Northwest, gusting to 6 mph9 km/h
| August 11 | ||||
| 5am | 61°F16°C | 4 mph6 km/h Northwest | Mostly Cloudy | |
| 6am | 61°F16°C | 3 mph5 km/h Northwest | Mostly Cloudy | |
| 7am | 60°F16°C | 3 mph5 km/h Northwest | Mostly Cloudy | |
| 8am | 60°F16°C | 2 mph4 km/h Northwest | Mostly Cloudy | |
| 9am | 59°F15°C | 2 mph3 km/h Northwest | Mostly Cloudy | |
| 10am | 59°F15°C | 3 mph5 km/h Northwest | Mostly Cloudy | |
| 11am | 60°F16°C | 3 mph5 km/h Northwest | Mostly Cloudy | |
| 12pm | 62°F17°C | 3 mph5 km/h Northwest | Mostly Cloudy | |
| 1pm | 67°F19°C | 4 mph6 km/h Northwest | Mostly Clear | |
| 2pm | 72°F22°C | 4 mph7 km/h West | Mostly Clear | |
| 3pm | 76°F24°C | 5 mph8 km/h Northwest | Clear | |
| 4pm | 81°F27°C | 6 mph10 km/h Northwest | Clear | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| August 11 | 59°F15°C | 87°F30°C | 5 mph9 km/h from Northwest | Mostly Clear | Clear |
| August 12 | 59°F15°C | 86°F30°C | 5 mph7 km/h from Northwest | Clear | Mostly Clear |
| August 13 | 58°F14°C | 83°F28°C | 5 mph8 km/h from Northwest | Mostly Clear | Mostly Clear |
| August 14 | 58°F14°C | 81°F27°C | 4 mph6 km/h from West | Mostly Clear | Clear |
| August 15 | 59°F15°C | 84°F29°C | 5 mph7 km/h from West | Clear | Clear |
| August 16 | 59°F15°C | 82°F28°C | 5 mph9 km/h from West | Mostly Clear | Partly Cloudy |
| August 17 | 62°F16°C | 80°F27°C | 5 mph9 km/h from Northwest | Clear | Clear |
No
Low of 59°F15°C, High of 85°F30°CWind: 5 mph7 km/h
Precipitation: None