No
you don't need a jacket based on the weather in Gaithersburg, MD, USA 1 second ago
75°F24°C & Clear
Wind is 1 mph2 km/h from the Southwest, gusting to 2 mph4 km/h
| July 3 | ||||
| 1am | 74°F23°C | 3 mph5 km/h South | Clear | |
| 2am | 73°F23°C | 4 mph6 km/h Southwest | Clear | |
| 3am | 72°F22°C | 4 mph6 km/h West | Mostly Clear | |
| 4am | 71°F21°C | 4 mph6 km/h West | Clear | |
| 5am | 70°F21°C | 4 mph6 km/h West | Mostly Clear | |
| 6am | 70°F21°C | 4 mph6 km/h Northwest | Partly Cloudy | |
| 7am | 71°F21°C | 4 mph6 km/h Northwest | Partly Cloudy | |
| 8am | 73°F23°C | 4 mph7 km/h Northwest | Mostly Clear | |
| 9am | 77°F25°C | 5 mph8 km/h Northwest | Mostly Clear | |
| 10am | 79°F26°C | 6 mph9 km/h Northwest | Mostly Clear | |
| 11am | 82°F28°C | 6 mph10 km/h Northwest | Mostly Clear | |
| 12pm | 83°F29°C | 6 mph10 km/h Northwest | Mostly Clear | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| July 3 | 70°F21°C | 86°F30°C | 6 mph10 km/h from Northwest | Mostly Clear | Clear |
| July 4 | 66°F19°C | 84°F29°C | 4 mph7 km/h from North | Clear | Clear |
| July 5 | 66°F19°C | 87°F30°C | 4 mph7 km/h from South | Mostly Clear | Mostly Clear |
| July 6 | 66°F19°C | 88°F31°C | 6 mph9 km/h from South | Partly Cloudy | Mostly Clear |
| July 7 | 71°F22°C | 88°F31°C | 6 mph9 km/h from South | Rain | Drizzle |
| July 8 | 73°F23°C | 89°F32°C | 6 mph10 km/h from Northwest | Partly Cloudy | Thunderstorms |
| July 9 | 71°F22°C | 87°F31°C | 5 mph8 km/h from Northwest | Partly Cloudy | Mostly Cloudy |
No
Low of 66°F19°C, High of 84°F29°CWind: 4 mph7 km/h
Precipitation: None