No

you don't need a jacket based on the weather in Colombo (Wellawatte), Western Province, Sri Lanka 1 second ago

82°F28°C & Mostly Cloudy

Wind is 7 mph11 km/h from the Southwest, gusting to 14 mph22 km/h
September 11
10am82°F28°C7 mph12 km/h SouthwestMostly Cloudy
11am81°F27°C7 mph12 km/h SouthwestMostly Cloudy
12pm81°F27°C7 mph12 km/h SouthwestMostly Cloudy
1pm81°F27°C7 mph11 km/h SouthwestMostly Cloudy
2pm81°F27°C7 mph11 km/h SouthwestThunderstorms
3pm80°F27°C7 mph11 km/h SouthwestMostly Cloudy
4pm80°F27°C8 mph12 km/h WestMostly Cloudy
5pm80°F27°C8 mph12 km/h WestRain
6pm80°F26°C8 mph12 km/h WestMostly Cloudy
7pm80°F26°C7 mph12 km/h WestMostly Cloudy
8pm79°F26°C7 mph12 km/h WestMostly Cloudy
9pm80°F26°C7 mph10 km/h WestMostly Cloudy
DateLowHighWindDayNight
September 1080°F27°C87°F30°C9 mph14 km/h from SouthwestMostly CloudyThunderstorms
September 1179°F26°C86°F30°C9 mph15 km/h from WestRainMostly Cloudy
September 1279°F26°C86°F30°C10 mph16 km/h from WestDrizzleDrizzle
September 1378°F26°C85°F29°C9 mph15 km/h from SouthwestRainDrizzle
September 1479°F26°C85°F29°C9 mph14 km/h from SouthwestDrizzleRain
September 1578°F26°C84°F29°C9 mph14 km/h from WestRainRain
September 1677°F25°C84°F29°C9 mph14 km/h from SouthwestRainRain

No

Low of 80°F27°C, High of 86°F30°C
Wind: 9 mph15 km/h
Precipitation: 37% rain

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