Yes

you do need a jacket based on the weather in Holliston, MA, USA 1 second ago

Why? Because there's a refreshing nip in the air.
50°F10°C & Clear

Wind is 10 mph16 km/h from the NW, gusting to 23 mph37 km/h
April 24
9pm48°F9°C11 mph18 km/h NMostly Clear
10pm44°F7°C11 mph18 km/h NClear
11pm41°F5°C11 mph17 km/h NClear
April 25
12am38°F3°C9 mph15 km/h NClear
1am36°F2°C8 mph13 km/h NClear
2am34°F1°C8 mph12 km/h NClear
3am32°F0°C7 mph12 km/h NClear
4am31°F-1°C7 mph11 km/h NClear
5am30°F-1°C7 mph11 km/h NClear
6am29°F-2°C6 mph10 km/h NClear
7am31°F-1°C6 mph10 km/h NClear
8am34°F1°C7 mph12 km/h NClear
DateLowHighWindDayNight
April 2438°F3°C65°F18°C6 mph9 km/h from WMostly CloudyClear
April 2529°F-2°C56°F13°C4 mph6 km/h from NClearClear
April 2631°F-0°C59°F15°C4 mph7 km/h from NEClearClear
April 2734°F1°C64°F18°C6 mph9 km/h from SWPartly CloudyDrizzle
April 2841°F5°C71°F22°C6 mph9 km/h from SWMostly CloudyMostly Cloudy
April 2953°F12°C76°F25°C5 mph7 km/h from EMostly CloudyMostly Cloudy
April 3050°F10°C74°F24°C8 mph13 km/h from SEMostly CloudyDrizzle

Yes

Low of 28°F-2°C, High of 56°F14°C
Wind: 4 mph6 km/h
Precipitation: None

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