No
you don't need a jacket based on the weather in Bay City, MI, USA 1 second ago
69°F21°C & Mostly Cloudy
Wind is 4 mph6 km/h from the Southwest, gusting to 8 mph13 km/h
| July 3 | ||||
| 1am | 69°F20°C | 5 mph8 km/h West | Mostly Cloudy | |
| 2am | 67°F20°C | 3 mph5 km/h West | Mostly Clear | |
| 3am | 67°F19°C | 3 mph5 km/h West | Clear | |
| 4am | 65°F18°C | 4 mph7 km/h Northwest | Clear | |
| 5am | 64°F18°C | 5 mph8 km/h Northwest | Clear | |
| 6am | 64°F18°C | 5 mph8 km/h Northwest | Clear | |
| 7am | 65°F18°C | 5 mph8 km/h Northwest | Mostly Clear | |
| 8am | 67°F20°C | 5 mph8 km/h Northwest | Mostly Clear | |
| 9am | 69°F21°C | 5 mph8 km/h Northwest | Mostly Clear | |
| 10am | 71°F22°C | 5 mph8 km/h Northwest | Mostly Clear | |
| 11am | 73°F23°C | 5 mph9 km/h North | Mostly Clear | |
| 12pm | 76°F24°C | 5 mph8 km/h North | Mostly Clear | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| July 3 | 64°F18°C | 81°F27°C | 6 mph9 km/h from North | Mostly Clear | Clear |
| July 4 | 60°F15°C | 85°F29°C | 5 mph8 km/h from Southeast | Partly Cloudy | Partly Cloudy |
| July 5 | 71°F21°C | 90°F32°C | 12 mph19 km/h from Southwest | Mostly Clear | Partly Cloudy |
| July 6 | 72°F22°C | 86°F30°C | 13 mph20 km/h from Southwest | Rain | Rain |
| July 7 | 65°F18°C | 73°F23°C | 9 mph15 km/h from Northeast | Rain | Partly Cloudy |
| July 8 | 63°F17°C | 74°F24°C | 7 mph11 km/h from Northeast | Mostly Clear | Partly Cloudy |
| July 9 | 60°F16°C | 81°F27°C | 5 mph7 km/h from South | Partly Cloudy | Partly Cloudy |
No
Low of 60°F16°C, High of 85°F30°CWind: 5 mph8 km/h
Precipitation: None