Yes
you do need a jacket based on the weather in Waltham, MA, USA 1 second ago
Why? Because it's not very warm out.
53°F11°C & Clear
Wind is 3 mph5 km/h from the NW, gusting to 9 mph14 km/h
| April 25 | ||||
| 2pm | 54°F12°C | 3 mph5 km/h NW | Clear | |
| 3pm | 55°F13°C | 3 mph5 km/h NW | Clear | |
| 4pm | 56°F14°C | 3 mph5 km/h NW | Clear | |
| 5pm | 57°F14°C | 3 mph5 km/h NW | Clear | |
| 6pm | 55°F13°C | 2 mph4 km/h NE | Clear | |
| 7pm | 52°F11°C | 5 mph9 km/h E | Clear | |
| 8pm | 48°F9°C | 6 mph10 km/h SE | Clear | |
| 9pm | 45°F7°C | 6 mph10 km/h S | Clear | |
| 10pm | 43°F6°C | 6 mph10 km/h S | Clear | |
| 11pm | 41°F5°C | 5 mph9 km/h SW | Clear | |
| April 26 | ||||
| 12am | 39°F4°C | 5 mph7 km/h SW | Clear | |
| 1am | 38°F3°C | 4 mph6 km/h SW | Clear | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| April 25 | 30°F-1°C | 57°F14°C | 3 mph5 km/h from N | Clear | Clear |
| April 26 | 32°F0°C | 59°F15°C | 4 mph7 km/h from NE | Clear | Clear |
| April 27 | 36°F2°C | 65°F18°C | 4 mph7 km/h from S | Partly Cloudy | Cloudy |
| April 28 | 43°F6°C | 70°F21°C | 8 mph12 km/h from SW | Mostly Cloudy | Partly Cloudy |
| April 29 | 53°F12°C | 70°F21°C | 6 mph10 km/h from E | Mostly Cloudy | Mostly Cloudy |
| April 30 | 49°F10°C | 67°F20°C | 7 mph11 km/h from SE | Mostly Cloudy | Drizzle |
| May 1 | 51°F11°C | 74°F23°C | 5 mph8 km/h from NE | Drizzle | Partly Cloudy |
Yes
Low of 33°F1°C, High of 59°F15°CWind: 4 mph7 km/h
Precipitation: None