No
you don't need a jacket based on the weather in Waltham, MA 02453, USA 1 second ago
68°F20°C & Mostly Cloudy
Wind is 7 mph12 km/h from the East, gusting to 12 mph19 km/h
| May 8 | ||||
| 7pm | 64°F18°C | 5 mph9 km/h East | Thunderstorms | |
| 8pm | 61°F16°C | 4 mph7 km/h East | Thunderstorms | |
| 9pm | 59°F15°C | 6 mph10 km/h East | Drizzle | |
| 10pm | 58°F14°C | 7 mph11 km/h Northeast | Drizzle | |
| 11pm | 57°F14°C | 7 mph11 km/h Northeast | Drizzle | |
| May 9 | ||||
| 12am | 55°F13°C | 6 mph10 km/h Northeast | Cloudy | |
| 1am | 54°F12°C | 6 mph9 km/h Northeast | Cloudy | |
| 2am | 53°F11°C | 6 mph9 km/h Northeast | Cloudy | |
| 3am | 52°F11°C | 6 mph9 km/h Northeast | Cloudy | |
| 4am | 51°F11°C | 6 mph9 km/h Northeast | Haze | |
| 5am | 50°F10°C | 6 mph10 km/h Northeast | Haze | |
| 6am | 50°F10°C | 6 mph10 km/h Northeast | Haze | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| May 8 | 52°F11°C | 74°F23°C | 3 mph5 km/h from East | Thunderstorms | Thunderstorms |
| May 9 | 50°F10°C | 55°F13°C | 9 mph15 km/h from Northeast | Rain | Rain |
| May 10 | 50°F10°C | 64°F18°C | 11 mph18 km/h from Northwest | Rain | Clear |
| May 11 | 50°F10°C | 68°F20°C | 10 mph17 km/h from Northwest | Clear | Clear |
| May 12 | 44°F7°C | 74°F23°C | 9 mph14 km/h from Southwest | Mostly Clear | Partly Cloudy |
| May 13 | 57°F14°C | 73°F23°C | 8 mph13 km/h from South | Mostly Cloudy | Mostly Cloudy |
| May 14 | 53°F12°C | 74°F24°C | 6 mph10 km/h from South | Mostly Cloudy | Rain |
Yes
Low of 50°F10°C, High of 55°F13°CWind: 9 mph15 km/h
Precipitation: 85% rain