Yes

you do need a jacket based on the weather in Surrey (Newton), British Columbia, Canada 1 second ago

Why? Because you're not freezing, but you’ll definitely start complaining if it lasts much longer!
48°F9°C & Mostly Cloudy

Wind is 4 mph7 km/h from the East, gusting to 9 mph15 km/h
April 28
5am48°F9°C5 mph9 km/h EastMostly Cloudy
6am48°F9°C6 mph9 km/h EastMostly Cloudy
7am48°F9°C6 mph9 km/h EastMostly Cloudy
8am48°F9°C6 mph9 km/h EastCloudy
9am48°F9°C6 mph10 km/h EastCloudy
10am49°F9°C5 mph9 km/h SoutheastCloudy
11am50°F10°C7 mph11 km/h SoutheastCloudy
12pm51°F10°C8 mph12 km/h SouthCloudy
1pm51°F11°C9 mph14 km/h SouthCloudy
2pm53°F12°C9 mph15 km/h SouthCloudy
3pm53°F12°C9 mph15 km/h SouthCloudy
4pm53°F12°C9 mph14 km/h SouthCloudy
DateLowHighWindDayNight
April 2848°F9°C54°F12°C8 mph13 km/h from SouthDrizzleDrizzle
April 2948°F9°C60°F16°C6 mph10 km/h from SouthwestPartly CloudyMostly Clear
April 3044°F6°C62°F17°C4 mph6 km/h from SouthPartly CloudyMostly Clear
May 145°F7°C70°F21°C3 mph4 km/h from SouthwestClearClear
May 247°F9°C62°F16°C4 mph7 km/h from SouthDrizzleDrizzle
May 342°F6°C53°F12°C7 mph11 km/h from SouthwestMostly CloudyPartly Cloudy
May 439°F4°C54°F12°C5 mph7 km/h from SouthwestPartly CloudyPartly Cloudy

Yes

Low of 47°F9°C, High of 60°F16°C
Wind: 6 mph10 km/h
Precipitation: None

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