Weather forecast for 10 days
Kollupitiya, Sri Lanka

Weather forecast for the weekend

Saturday, 17. May

Scattered Thunderstorms
05:52

18:21
+0530
Scattered Thunderstorms
30°C / 27°C
  • Wind: 20km/h WSW
  • Humidity: 78%
  • Precip. probability: 50%
  • Precipitation: 7mm
  • UV index: 11
On Saturday, in Kollupitiya, scattered thunderstorms are expected, with the potential for brief but intense rain and lightning.
The likelihood of rainfall is low, and light precipitation is forecasted. Temperatures will exhibit minor fluctuations, extending from a high of a hot 30°C to a low of a moderately hot 27°C.
Saturday's high is predicted to coincide with the typical May maximum of 30.6°C.
Sunrise will be at 05:52 and sunset at 18:21; the daylight will last for 12h and 29min.

Sunday, 18. May

Thunderstorms
05:52

18:21
+0530
Thunderstorms
30°C / 26°C
  • Wind: 19km/h WSW
  • Humidity: 82%
  • Precip. probability: 75%
  • Precipitation: 20mm
  • UV index: 11
On Sunday, 18th of May, unstable weather may lead to more thunderstorms.
The chance of rainfall is high, and precipitation will be moderate. Temperature shifts will be minor, from a high of a humid 30°C to a low of a warm 26°C.
The highest temperature on Sunday is predicted to reflect May's average of 30.6°C.
Sunrise will be at 05:52 and sunset at 18:21; the daylight will last for 12h and 29min.

Frequently asked questions

What is the weather forecast for Kollupitiya for Saturday?
On Saturday, in Kollupitiya, scattered thunderstorms are expected, and there may be periods of intense rain and thunder.
Will it rain on Saturday?
With a probability of 50%, light precipitation of 7mm is predicted on Saturday.
What will be the maximum temperature on Saturday?
On Saturday, the maximum temperature will be 30°C, while the minimum temperature will be 27°C.
What is the weather forecast for Kollupitiya for Sunday?
On Sunday, unstable weather may lead to more thunderstorms.
Will it rain on Sunday?
Moderate precipitation of 20mm is anticipated on Sunday in Kollupitiya. The likelihood of rainfall is 75%.
What will be the highest temperature on Sunday?
On Sunday, the highest temperature will be 30°C, while the lowest temperature will be 26°C.
What is the weather forecast for Kollupitiya for the next ten days?
In Kollupitiya, predominantly lightning-active and occasionally showery weather is anticipated for the next ten days.
Will it rain in the next ten days?
With daily precipitation varying from a minimum of 4mm to a maximum of 32mm, rainfall is forecasted every day in Kollupitiya. With intense precipitation of 32mm, Tuesday will be the day with the most rainfall.
How hot will it be in the next ten days in Kollupitiya?
The maximum temperature will range between 29°C and 31°C, while the minimum temperature will range between 26°C and 28°C.
Combining with the humidity, the maximum feel-like temperature will vary between 36°C and 40°C.
What will be the hottest and the coldest days in Kollupitiya?
Friday will be the hottest day, with a maximum temperature of 31°C. With a maximum temperature of 29°C, Monday will be the coldest day.

Long-term weather forecast

Tue13.May
  • 30°C
  • 27°C
Thunderstorms
Thunderstorms
  • Wind: 20km/h WSW
  • Humidity: 83%
  • UV index: 11
  • Precip. probability: 100%
  • Precipitation: 32mm
  • 05:53 18:20 +0530
Wed14.May
  • 30°C
  • 27°C
Scattered Thunderstorms
Scattered Thunderstorms
  • Wind: 21km/h WSW
  • Humidity: 82%
  • UV index: 9
  • Precip. probability: 54%
  • Precipitation: 17mm
  • 05:52 18:21 +0530
Thu15.May
  • 30°C
  • 28°C
Thunderstorms
Thunderstorms
  • Wind: 18km/h WSW
  • Humidity: 81%
  • UV index: 6
  • Precip. probability: 65%
  • Precipitation: 6mm
  • 05:52 18:21 +0530
Fri16.May
  • 31°C
  • 28°C
Showers
Showers
  • Wind: 21km/h WSW
  • Humidity: 78%
  • UV index: 9
  • Precip. probability: 40%
  • Precipitation: 4mm
  • 05:52 18:21 +0530
Sat17.May
  • 30°C
  • 27°C
Scattered Thunderstorms
Scattered Thunderstorms
  • Wind: 20km/h WSW
  • Humidity: 78%
  • UV index: 11
  • Precip. probability: 50%
  • Precipitation: 7mm
  • 05:52 18:21 +0530
Sun18.May
  • 30°C
  • 26°C
Thunderstorms
Thunderstorms
  • Wind: 19km/h WSW
  • Humidity: 82%
  • UV index: 11
  • Precip. probability: 75%
  • Precipitation: 20mm
  • 05:52 18:21 +0530
Mon19.May
  • 29°C
  • 26°C
Thunderstorms
Thunderstorms
  • Wind: 22km/h SW
  • Humidity: 84%
  • UV index: 9
  • Precip. probability: 73%
  • Precipitation: 24mm
  • 05:52 18:21 +0530
Tue20.May
  • 30°C
  • 27°C
Thunderstorms
Thunderstorms
  • Wind: 22km/h WSW
  • Humidity: 83%
  • UV index: 9
  • Precip. probability: 64%
  • Precipitation: 19mm
  • 05:52 18:22 +0530
Wed21.May
  • 30°C
  • 27°C
Thunderstorms
Thunderstorms
  • Wind: 23km/h WSW
  • Humidity: 83%
  • UV index: 10
  • Precip. probability: 60%
  • Precipitation: 15mm
  • 05:52 18:22 +0530
Thu22.May
  • 30°C
  • 26°C
Thunderstorms
Thunderstorms
  • Wind: 22km/h WSW
  • Humidity: 83%
  • UV index: 8
  • Precip. probability: 60%
  • Precipitation: 14mm
  • 05:52 18:22 +0530
Over the next ten days, primarily stormy and occasionally wet weather is expected.
Rainfall is anticipated day-to-day, with daily precipitation varying from a minimal 4mm to a maximum of 32mm.
The variation in maximum temperature will be negligible across the forecast window. Expected highs will hover between 29°C and 31°C, while changes in the overnight low will be also barely noticeable, as the overnight low will fall between 26°C and 28°C.
Friday will be the hottest day, with a maximum temperature of 31°C; with the highest temperature of 29°C, Monday will be the coldest day.
Taking the humidity into consideration, the maximum feel-like temperature may increase considerably and range between a very hot 36°C and a torridly hot 40°C.
Updated: May 12, 2025 @ 22:29:27 UTC
Published by: Weather Atlas | About Us
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