No
you don't need a jacket based on the weather in Frederick, MD, USA 11 minutes ago
83°F28°C & Mostly Cloudy
Wind is 6 mph10 km/h from the Northeast, gusting to 11 mph18 km/h
| August 14 | ||||
| 6pm | 83°F28°C | 6 mph10 km/h Northeast | Partly Cloudy | |
| 7pm | 81°F27°C | 4 mph7 km/h Northeast | Partly Cloudy | |
| 8pm | 79°F26°C | 3 mph5 km/h Northeast | Mostly Clear | |
| 9pm | 77°F25°C | 3 mph4 km/h East | Mostly Clear | |
| 10pm | 75°F24°C | 3 mph4 km/h East | Mostly Clear | |
| 11pm | 74°F23°C | 1 mph1 km/h Southeast | Mostly Clear | |
| August 15 | ||||
| 12am | 73°F23°C | 2 mph3 km/h West | Mostly Clear | |
| 1am | 72°F22°C | 3 mph4 km/h North | Mostly Clear | |
| 2am | 71°F22°C | 3 mph5 km/h North | Mostly Clear | |
| 3am | 71°F22°C | 3 mph6 km/h North | Mostly Clear | |
| 4am | 70°F21°C | 4 mph6 km/h North | Mostly Clear | |
| 5am | 70°F21°C | 4 mph6 km/h North | Mostly Clear | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| August 14 | 71°F22°C | 86°F30°C | 3 mph5 km/h from North | Thunderstorms | Mostly Clear |
| August 15 | 70°F21°C | 86°F30°C | 4 mph7 km/h from Northeast | Partly Cloudy | Partly Cloudy |
| August 16 | 71°F22°C | 86°F30°C | 3 mph6 km/h from Southeast | Partly Cloudy | Clear |
| August 17 | 70°F21°C | 89°F32°C | 4 mph7 km/h from West | Partly Cloudy | Mostly Clear |
| August 18 | 70°F21°C | 84°F29°C | 6 mph10 km/h from Northeast | Partly Cloudy | Mostly Clear |
| August 19 | 67°F20°C | 82°F28°C | 6 mph10 km/h from Southeast | Mostly Cloudy | Drizzle |
| August 20 | 68°F20°C | 78°F26°C | 5 mph8 km/h from East | Drizzle | Mostly Cloudy |
No
Low of 70°F21°C, High of 86°F30°CWind: 4 mph7 km/h
Precipitation: 23% rain