No
you don't need a jacket based on the weather in St Johns County, FL, USA 1 second ago
78°F25°C & Cloudy
Wind is 8 mph13 km/h from the North, gusting to 19 mph30 km/h
| September 12 | ||||
| 10am | 78°F26°C | 8 mph14 km/h North | Cloudy | |
| 11am | 80°F27°C | 11 mph18 km/h Northeast | Cloudy | |
| 12pm | 81°F27°C | 12 mph20 km/h Northeast | Cloudy | |
| 1pm | 81°F27°C | 13 mph20 km/h Northeast | Cloudy | |
| 2pm | 80°F27°C | 11 mph17 km/h Northeast | Drizzle | |
| 3pm | 81°F27°C | 12 mph19 km/h Northeast | Cloudy | |
| 4pm | 80°F26°C | 11 mph18 km/h Northeast | Cloudy | |
| 5pm | 80°F26°C | 11 mph18 km/h Northeast | Cloudy | |
| 6pm | 79°F26°C | 10 mph17 km/h Northeast | Cloudy | |
| 7pm | 77°F25°C | 9 mph14 km/h Northeast | Cloudy | |
| 8pm | 76°F24°C | 8 mph14 km/h Northeast | Cloudy | |
| 9pm | 75°F24°C | 8 mph12 km/h Northeast | Mostly Cloudy | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| September 12 | 70°F21°C | 81°F27°C | 10 mph16 km/h from Northeast | Cloudy | Partly Cloudy |
| September 13 | 72°F22°C | 81°F27°C | 12 mph20 km/h from Northeast | Drizzle | Drizzle |
| September 14 | 72°F22°C | 81°F27°C | 11 mph17 km/h from North | Rain | Mostly Clear |
| September 15 | 70°F21°C | 83°F28°C | 9 mph15 km/h from North | Mostly Clear | Mostly Clear |
| September 16 | 70°F21°C | 83°F28°C | 7 mph11 km/h from North | Mostly Clear | Mostly Clear |
| September 17 | 70°F21°C | 82°F28°C | 6 mph10 km/h from Northeast | Partly Cloudy | Partly Cloudy |
| September 18 | 72°F22°C | 82°F28°C | 7 mph11 km/h from Northeast | Drizzle | Partly Cloudy |
No
Low of 73°F23°C, High of 81°F27°CWind: 12 mph20 km/h
Precipitation: 38% rain