No
you don't need a jacket based on the weather in Grantham, UK 1 second ago
71°F22°C & Partly Cloudy
Wind is 10 mph16 km/h from the E, gusting to 18 mph29 km/h
| September 21 | ||||
| 11am | 71°F21°C | 10 mph16 km/h E | Drizzle | |
| 12pm | 69°F21°C | 11 mph17 km/h E | Mostly Cloudy | |
| 1pm | 67°F19°C | 10 mph16 km/h NE | Mostly Cloudy | |
| 2pm | 64°F18°C | 9 mph15 km/h NE | Partly Cloudy | |
| 3pm | 62°F17°C | 9 mph15 km/h NE | Partly Cloudy | |
| 4pm | 60°F16°C | 9 mph14 km/h NE | Partly Cloudy | |
| 5pm | 59°F15°C | 8 mph13 km/h NE | Mostly Cloudy | |
| 6pm | 58°F15°C | 7 mph11 km/h NE | Mostly Cloudy | |
| 7pm | 58°F14°C | 7 mph11 km/h NE | Mostly Cloudy | |
| 8pm | 57°F14°C | 7 mph11 km/h NE | Mostly Cloudy | |
| 9pm | 57°F14°C | 6 mph10 km/h NE | Mostly Cloudy | |
| 10pm | 56°F13°C | 6 mph10 km/h NE | Cloudy | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| September 20 | 57°F14°C | 72°F22°C | 10 mph16 km/h from NE | Drizzle | Mostly Cloudy |
| September 21 | 56°F13°C | 69°F21°C | 12 mph19 km/h from NE | Rain | Rain |
| September 22 | 53°F12°C | 62°F17°C | 9 mph15 km/h from N | Rain | Drizzle |
| September 23 | 48°F9°C | 60°F16°C | 7 mph12 km/h from W | Mostly Cloudy | Drizzle |
| September 24 | 49°F10°C | 57°F14°C | 7 mph12 km/h from SE | Drizzle | Rain |
| September 25 | 46°F8°C | 58°F14°C | 13 mph21 km/h from W | Drizzle | Rain |
| September 26 | 42°F6°C | 53°F12°C | 14 mph23 km/h from W | Drizzle | Mostly Clear |
Yes
Low of 55°F13°C, High of 69°F21°CWind: 12 mph19 km/h
Precipitation: 71% rain