Yes
you do need a jacket based on the weather in Chelmsford, MA, USA 1 second ago
Why? Because rain's coming down!
73°F23°C & Rain
Wind is 6 mph10 km/h from the Southwest, gusting to 14 mph22 km/h
| July 2 | ||||
| 1am | 72°F22°C | 6 mph10 km/h Southwest | Cloudy | |
| 2am | 71°F22°C | 6 mph9 km/h Southwest | Cloudy | |
| 3am | 71°F21°C | 6 mph10 km/h Southwest | Cloudy | |
| 4am | 70°F21°C | 6 mph9 km/h Southwest | Cloudy | |
| 5am | 70°F21°C | 6 mph9 km/h Southwest | Cloudy | |
| 6am | 71°F21°C | 5 mph8 km/h Southwest | Cloudy | |
| 7am | 72°F22°C | 5 mph8 km/h Southwest | Cloudy | |
| 8am | 74°F24°C | 5 mph9 km/h West | Cloudy | |
| 9am | 77°F25°C | 6 mph9 km/h West | Cloudy | |
| 10am | 79°F26°C | 6 mph10 km/h West | Cloudy | |
| 11am | 81°F27°C | 6 mph10 km/h West | Cloudy | |
| 12pm | 82°F28°C | 7 mph11 km/h West | Cloudy | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| July 2 | 70°F21°C | 85°F29°C | 7 mph11 km/h from West | Cloudy | Mostly Clear |
| July 3 | 67°F19°C | 86°F30°C | 6 mph10 km/h from West | Mostly Clear | Mostly Clear |
| July 4 | 61°F16°C | 78°F25°C | 9 mph14 km/h from Northwest | Mostly Clear | Mostly Clear |
| July 5 | 58°F15°C | 82°F28°C | 5 mph8 km/h from West | Mostly Cloudy | Mostly Cloudy |
| July 6 | 65°F18°C | 90°F32°C | 8 mph13 km/h from Southwest | Partly Cloudy | Mostly Clear |
| July 7 | 70°F21°C | 93°F34°C | 8 mph14 km/h from Southwest | Mostly Clear | Partly Cloudy |
| July 8 | 69°F20°C | 84°F29°C | 5 mph9 km/h from Southwest | Drizzle | Drizzle |
No
Low of 66°F19°C, High of 86°F30°CWind: 6 mph10 km/h
Precipitation: 19% rain