Yes

you do need a jacket based on the weather in Peterborough, ON, Canada 6 minutes ago

Why? Because there's a refreshing nip in the air!
45°F7°C & Clear

Wind is 1 mph1 km/h from the Northeast, gusting to 4 mph6 km/h
May 12
8am47°F8°C1 mph1 km/h SouthClear
9am52°F11°C3 mph4 km/h SouthClear
10am57°F14°C4 mph6 km/h SouthwestClear
11am62°F17°C4 mph6 km/h SouthwestClear
12pm69°F20°C6 mph9 km/h SouthwestClear
1pm74°F23°C6 mph10 km/h SouthwestClear
2pm77°F25°C7 mph11 km/h WestClear
3pm78°F26°C6 mph9 km/h WestClear
4pm79°F26°C6 mph9 km/h SouthwestClear
5pm79°F26°C6 mph9 km/h SouthwestClear
6pm77°F25°C4 mph7 km/h SouthwestMostly Clear
7pm74°F23°C4 mph7 km/h SouthPartly Cloudy
DateLowHighWindDayNight
May 1238°F4°C79°F26°C5 mph7 km/h from SouthwestClearMostly Cloudy
May 1351°F11°C72°F22°C9 mph14 km/h from SoutheastDrizzleRain
May 1458°F14°C68°F20°C12 mph19 km/h from SoutheastDrizzleMostly Cloudy
May 1556°F14°C73°F23°C7 mph11 km/h from SoutheastDrizzleMostly Clear
May 1656°F13°C73°F23°C9 mph14 km/h from SouthRainMostly Clear
May 1756°F13°C70°F21°C10 mph15 km/h from SouthDrizzleDrizzle
May 1853°F12°C67°F20°C10 mph16 km/h from WestMostly CloudyPartly Cloudy

Yes

Low of 52°F11°C, High of 72°F22°C
Wind: 9 mph14 km/h
Precipitation: 46% rain

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