Yes
you do need a jacket based on the weather in Rockville, MD 20851, USA 1 second ago
Why? Because it's not very warm out!
57°F14°C & Mostly Cloudy
Wind is 4 mph7 km/h from the North, gusting to 11 mph18 km/h
| May 29 | ||||
| 1am | 57°F14°C | 5 mph7 km/h North | Mostly Cloudy | |
| 2am | 56°F13°C | 4 mph7 km/h Northwest | Cloudy | |
| 3am | 56°F13°C | 5 mph7 km/h Northwest | Cloudy | |
| 4am | 55°F13°C | 4 mph6 km/h Northwest | Cloudy | |
| 5am | 55°F13°C | 3 mph5 km/h Northwest | Cloudy | |
| 6am | 55°F13°C | 3 mph6 km/h Northwest | Cloudy | |
| 7am | 56°F13°C | 3 mph5 km/h Northwest | Cloudy | |
| 8am | 58°F14°C | 3 mph5 km/h Northwest | Cloudy | |
| 9am | 60°F16°C | 3 mph5 km/h Northwest | Cloudy | |
| 10am | 63°F17°C | 3 mph5 km/h West | Cloudy | |
| 11am | 66°F19°C | 4 mph6 km/h West | Cloudy | |
| 12pm | 69°F20°C | 4 mph7 km/h West | Cloudy | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| May 29 | 55°F13°C | 75°F24°C | 4 mph7 km/h from West | Mostly Cloudy | Rain |
| May 30 | 58°F14°C | 76°F25°C | 4 mph6 km/h from West | Rain | Rain |
| May 31 | 54°F12°C | 67°F19°C | 10 mph16 km/h from West | Rain | Mostly Clear |
| June 1 | 49°F10°C | 70°F21°C | 9 mph15 km/h from West | Partly Cloudy | Partly Cloudy |
| June 2 | 53°F12°C | 75°F24°C | 4 mph7 km/h from West | Partly Cloudy | Clear |
| June 3 | 54°F12°C | 79°F26°C | 4 mph7 km/h from Northwest | Mostly Clear | Mostly Clear |
| June 4 | 60°F16°C | 82°F28°C | 3 mph6 km/h from West | Mostly Clear | Partly Cloudy |
Yes
Low of 58°F15°C, High of 76°F25°CWind: 4 mph6 km/h
Precipitation: 56% rain