No
you don't need a jacket based on the weather in Frederick, MD, USA 1 second ago
69°F20°C & Cloudy
Wind is 3 mph5 km/h from the East, gusting to 8 mph13 km/h
| September 15 | ||||
| 9pm | 69°F20°C | 4 mph6 km/h East | Cloudy | |
| 10pm | 67°F19°C | 4 mph7 km/h East | Cloudy | |
| 11pm | 65°F19°C | 4 mph6 km/h East | Cloudy | |
| September 16 | ||||
| 12am | 64°F18°C | 4 mph7 km/h Northeast | Cloudy | |
| 1am | 63°F17°C | 5 mph7 km/h Northeast | Cloudy | |
| 2am | 62°F17°C | 5 mph8 km/h Northeast | Cloudy | |
| 3am | 61°F16°C | 4 mph7 km/h Northeast | Cloudy | |
| 4am | 61°F16°C | 5 mph9 km/h Northeast | Cloudy | |
| 5am | 60°F16°C | 6 mph10 km/h Northeast | Cloudy | |
| 6am | 60°F16°C | 7 mph11 km/h Northeast | Mostly Cloudy | |
| 7am | 60°F16°C | 7 mph11 km/h Northeast | Mostly Cloudy | |
| 8am | 62°F17°C | 8 mph12 km/h Northeast | Mostly Cloudy | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| September 15 | 60°F15°C | 81°F27°C | 3 mph5 km/h from East | Partly Cloudy | Cloudy |
| September 16 | 60°F16°C | 75°F24°C | 9 mph14 km/h from Northeast | Drizzle | Drizzle |
| September 17 | 61°F16°C | 70°F21°C | 9 mph14 km/h from Northeast | Drizzle | Drizzle |
| September 18 | 62°F17°C | 80°F27°C | 4 mph7 km/h from Northwest | Partly Cloudy | Mostly Clear |
| September 19 | 60°F16°C | 83°F28°C | 5 mph8 km/h from North | Mostly Clear | Mostly Clear |
| September 20 | 58°F14°C | 78°F26°C | 7 mph11 km/h from East | Mostly Clear | Partly Cloudy |
| September 21 | 58°F14°C | 75°F24°C | 7 mph11 km/h from Southeast | Partly Cloudy | Mostly Clear |
No
Low of 60°F16°C, High of 74°F24°CWind: 9 mph14 km/h
Precipitation: 31% rain