Yes
you do need a jacket based on the weather in Gaithersburg, MD, USA 1 second ago
Why? Because it's cool. Pleasantly cool, but cool.
58°F15°C & Cloudy
Wind is 5 mph8 km/h from the E, gusting to 9 mph15 km/h
| April 25 | ||||
| 7pm | 57°F14°C | 6 mph10 km/h E | Mostly Cloudy | |
| 8pm | 54°F12°C | 6 mph9 km/h E | Mostly Cloudy | |
| 9pm | 51°F10°C | 6 mph9 km/h E | Mostly Cloudy | |
| 10pm | 49°F10°C | 6 mph9 km/h E | Mostly Cloudy | |
| 11pm | 48°F9°C | 6 mph10 km/h SE | Mostly Cloudy | |
| April 26 | ||||
| 12am | 46°F8°C | 6 mph10 km/h SE | Mostly Cloudy | |
| 1am | 44°F7°C | 5 mph9 km/h SE | Partly Cloudy | |
| 2am | 43°F6°C | 5 mph7 km/h SE | Partly Cloudy | |
| 3am | 42°F6°C | 4 mph6 km/h E | Partly Cloudy | |
| 4am | 41°F5°C | 4 mph6 km/h E | Mostly Cloudy | |
| 5am | 41°F5°C | 3 mph5 km/h E | Mostly Cloudy | |
| 6am | 41°F5°C | 4 mph6 km/h E | Mostly Cloudy | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| April 25 | 46°F8°C | 60°F15°C | 3 mph5 km/h from NE | Mostly Cloudy | Mostly Cloudy |
| April 26 | 41°F5°C | 65°F18°C | 8 mph12 km/h from SE | Mostly Clear | Mostly Cloudy |
| April 27 | 42°F6°C | 62°F17°C | 8 mph14 km/h from SE | Cloudy | Partly Cloudy |
| April 28 | 50°F10°C | 83°F28°C | 5 mph9 km/h from SW | Mostly Clear | Mostly Clear |
| April 29 | 58°F14°C | 87°F31°C | 4 mph6 km/h from W | Mostly Clear | Clear |
| April 30 | 62°F17°C | 86°F30°C | 6 mph9 km/h from SW | Partly Cloudy | Partly Cloudy |
| May 1 | 61°F16°C | 84°F29°C | 6 mph9 km/h from W | Mostly Clear | Partly Cloudy |
Yes
Low of 41°F5°C, High of 64°F18°CWind: 8 mph12 km/h
Precipitation: None