Weather forecast for tomorrow
Kollupitiya, Sri Lanka

Weather forecast for tomorrow

Tuesday, 13. May

Thunderstorms
05:53

18:20
+0530
Thunderstorms
31°C / 27°C
  • Wind: 16km/h WSW
  • Humidity: 83%
  • Precip. probability: 75%
  • Precipitation: 19mm
  • UV index: 9
Tomorrow, on Tuesday, electrical storms are also a possibility.
With a high probability, moderate precipitation is predicted. The temperature is expected to vary slightly from a high of a tropical 31°C to a low of a moderately hot 27°C.
The maximum heat index, which calculates the temperature value influenced by the moisture in the air, is estimated at a blistering 42°C. Note that heat index values are valued for light wind and location in the shade. Bear in mind that direct sunshine exposure increases weather impact and may raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees.
The forecasted maximum temperature will closely reflect May's average high of 30.6°C.
Sunrise will be at 05:53 and sunset at 18:20; tomorrow's daylight will last for 12h and 28min.

Frequently asked questions

What is the weather forecast for Kollupitiya for tomorrow?
On Tuesday, rumbles of thunder are likely.
Will it rain tomorrow?
Moderate precipitation of 19mm is expected. The possibility of rainfall is 75%.
What will be the maximum temperature tomorrow?
Tomorrow, the maximum temperature will be 31°C, while the minimum temperature will be 27°C. The maximum heat index, which factors the actual air temperature with the relative humidity, is computed to be 42°C.
The maximum temperature will be in line with the average highest temperature of 30.6°C in May. The lowest temperature will be also in line with the average low of 26.3°C.
What time are sunrise and sunset tomorrow?
On Tuesday, in Kollupitiya, sunrise will be at 05:53 and sunset at 18:20 (+0530).
How long will the day be tomorrow?
Tomorrow, the daylight will last for 12h and 28min.

Hourly weather forecast

0h
  • 28°C
  • Feels like:
    34°C
Rain
Rain
  • Wind: 12km/h WSW
  • Pressure: 1008mbar
  • Humidity: 88%
  • Precip. probability: 79%
  • Precipitation: 1mm
  • Visibility: 8km
2h
  • 28°C
  • Feels like:
    33°C
Showers
Showers
  • Wind: 9km/h WSW
  • Pressure: 1006mbar
  • Humidity: 90%
  • Precip. probability: 58%
  • Precipitation: 1mm
  • Visibility: 11km
4h
  • 27°C
  • Feels like:
    33°C
Thunderstorms
Thunderstorms
  • Wind: 8km/h WSW
  • Pressure: 1006mbar
  • Humidity: 93%
  • Precip. probability: 65%
  • Precipitation: 1mm
  • Visibility: 10km
Sunrise: 05:53
6h
  • 28°C
  • Feels like:
    33°C
Thunderstorms
Thunderstorms
  • Wind: 8km/h W
  • Pressure: 1007mbar
  • Humidity: 92%
  • Precip. probability: 74%
  • Precipitation: 1mm
  • Visibility: 10km
8h
  • 30°C
  • Feels like:
    37°C
Scattered Thunderstorms
Scattered Thunderstorms
  • Wind: 8km/h WSW
  • Pressure: 1008mbar
  • Humidity: 84%
  • Precip. probability: 53%
  • Precipitation: 1mm
  • Visibility: 11km
10h
  • 30°C
  • Feels like:
    39°C
Scattered Thunderstorms
Scattered Thunderstorms
  • Wind: 13km/h WSW
  • Pressure: 1008mbar
  • Humidity: 80%
  • Precip. probability: 45%
  • Precipitation: 1mm
  • Visibility: 11km
12h
  • 30°C
  • Feels like:
    39°C
Scattered Thunderstorms
Scattered Thunderstorms
  • Wind: 13km/h WSW
  • Pressure: 1007mbar
  • Humidity: 81%
  • Precip. probability: 59%
  • Precipitation: 1mm
  • Visibility: 11km
14h
  • 31°C
  • Feels like:
    39°C
Scattered Thunderstorms
Scattered Thunderstorms
  • Wind: 16km/h WSW
  • Pressure: 1006mbar
  • Humidity: 79%
  • Precip. probability: 39%
  • Precipitation: 1mm
  • Visibility: 11km
16h
  • 30°C
  • Feels like:
    38°C
Scattered Thunderstorms
Scattered Thunderstorms
  • Wind: 15km/h WSW
  • Pressure: 1005mbar
  • Humidity: 81%
  • Precip. probability: 52%
  • Precipitation: 1mm
  • Visibility: 11km
18h
  • 29°C
  • Feels like:
    36°C
Scattered Thunderstorms
Scattered Thunderstorms
  • Wind: 14km/h WSW
  • Pressure: 1006mbar
  • Humidity: 87%
  • Precip. probability: 59%
  • Precipitation: 2mm
  • Visibility: 11km
Sunset: 18:20
20h
  • 29°C
  • Feels like:
    37°C
Thunderstorms
Thunderstorms
  • Wind: 11km/h WSW
  • Pressure: 1008mbar
  • Humidity: 86%
  • Precip. probability: 77%
  • Precipitation: 2mm
  • Visibility: 10km
22h
  • 28°C
  • Feels like:
    35°C
Scattered Thunderstorms
Scattered Thunderstorms
  • Wind: 12km/h WSW
  • Pressure: 1008mbar
  • Humidity: 88%
  • Precip. probability: 35%
  • Precipitation: 1mm
  • Visibility: 11km
Tomorrow, a combination of stormy and wet weather is expected.
Rainfall is anticipated throughout the entire day, with precipitation varying from a minimal 1mm to a maximum of 2mm. With light precipitation of 2mm, the most intense rain will be falling at 1h, 18h and 20h.
The temperature will vary between the lowest temperature of 27°C and the highest temperature of 31°C. The feels-like temperature will be between a minimum of 33°C and a maximum of 39°C. The hottest part of the day will be from 13h to 15h.
The forecasted high will be consistent with the typical May maximum of 30.6°C. The temperature low is forecasted to be also in line with the usual May value of 26.3°C.
Updated: May 12, 2025 @ 14:28:18 UTC
Published by: Weather Atlas | About Us
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