Yes

you do need a jacket based on the weather in Airdrie, AB, Canada 1 second ago

Why? Because the cold's there, but it's just a reminder, not an invasion!
50°F10°C & Cloudy

Wind is 5 mph8 km/h from the Northeast, gusting to 11 mph17 km/h
May 9
12am47°F8°C4 mph7 km/h NortheastMostly Cloudy
1am45°F7°C4 mph6 km/h NorthMostly Cloudy
2am44°F6°C3 mph4 km/h NortheastMostly Cloudy
3am42°F6°C3 mph4 km/h SoutheastMostly Cloudy
4am41°F5°C3 mph5 km/h SouthMostly Cloudy
5am40°F5°C4 mph7 km/h SouthMostly Cloudy
6am39°F4°C5 mph7 km/h SouthMostly Cloudy
7am38°F4°C5 mph7 km/h SouthMostly Cloudy
8am38°F3°C5 mph9 km/h SouthCloudy
9am40°F5°C7 mph11 km/h SouthCloudy
10am43°F6°C9 mph14 km/h SouthCloudy
11am46°F8°C10 mph17 km/h SouthCloudy
DateLowHighWindDayNight
May 844°F6°C58°F14°C11 mph18 km/h from NorthwestMostly ClearMostly Cloudy
May 938°F3°C68°F20°C10 mph17 km/h from SouthMostly CloudyMostly Cloudy
May 1042°F6°C73°F23°C8 mph13 km/h from SouthMostly CloudyPartly Cloudy
May 1143°F6°C64°F18°C6 mph9 km/h from EastMostly CloudyCloudy
May 1243°F6°C50°F10°C14 mph23 km/h from NorthRainDrizzle
May 1341°F5°C58°F14°C13 mph20 km/h from NorthwestCloudyPartly Cloudy
May 1440°F5°C61°F16°C7 mph11 km/h from NorthPartly CloudyMostly Cloudy

Yes

Low of 38°F4°C, High of 68°F20°C
Wind: 10 mph17 km/h
Precipitation: None

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