Weather forecast for todayKolonnawa, Sri Lanka

Weather forecast for today

Current condition 04:00 +0530

  • 27°C
  • Feels like:
    31°C
Partly Cloudy
Partly Cloudy
  • Precipitation: 0mm
  • Wind: 3km/hNNW 340°
  • Humidity: 88%
  • Dewpoint: 24°C
  • Pressure: 1010.16mbar
  • Visibility: 9.66km
  • UV index: 0
  • ▼
At the moment, in Kolonnawa, the sky is partially covered with clouds, offering glimpses of blue.
The temperature is a warm 27°C, meanwhile, the real-feel temperature of which factors the actual air temperature with the relative humidity is evaluated at a blazing 31°C. The current temperature is a few degrees off the today's maximum of 31°C.

Tuesday 20. Oct 2026

  • 31°C
  • 25°C
Scattered Thunderstorms
Scattered Thunderstorms
  • Precip. probability: 52%
  • Precipitation: 16mm
  • Wind: 13km/hNW 305°
  • Humidity: 83%
  • UV index: 9
  • Sunrise: 05:56 +0530
  • Sunset: 17:53 +0530
  • ▼
On Tuesday, in Kolonnawa, scattered thunderstorms are likely to occur, particularly in the afternoon and evening.
With a high probability, moderate precipitation is forecasted for today. Anticipated temperatures will peak at a hot 31°C and dip to a minimum of a temperate 25°C.
The maximum heat index, which calculates the temperature value influenced by the moisture in the air, is estimated at an extremely hot 42°C. Take into consideration that the heat index values are calculated for shade and light wind conditions. Be aware that direct exposure to sunlight increases heat impact and may raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees.
October's typical peak of 30°C is expected to be mirrored in the day’s high.
Sunrise will be at 05:56 and sunset at 17:53; the daylight will last for 11h and 57min.

Hourly overview

Hourly temperatures

Warmest hour: 10h 38°C.
Minimum temperature: 31°C.

Chance of precipitation

Highest chance: 16h 52%.

Hourly weather forecast

  • 4h
  • 27°C
  • Feels like:
    31°C
Showers
Showers
  • Precip. probability: 40%
  • Precipitation: 0mm
  • Wind: 4km/hN 359°
  • Humidity: 89%
  • Pressure: 1010mbar
  • Visibility: 11km
  • UV index: 0
  • ▼
Sunrise: 05:56
  • 6h
  • 26°C
  • Feels like:
    31°C
Showers
Showers
  • Precip. probability: 43%
  • Precipitation: 1mm
  • Wind: 4km/hNNW 346°
  • Humidity: 90%
  • Pressure: 1011mbar
  • Visibility: 11km
  • UV index: 0
  • ▼
  • 8h
  • 29°C
  • Feels like:
    36°C
Few Showers
Few Showers
  • Precip. probability: 31%
  • Precipitation: 0mm
  • Wind: 7km/hNW 305°
  • Humidity: 81%
  • Pressure: 1013mbar
  • Visibility: 16km
  • UV index: 3
  • ▼
  • 10h
  • 30°C
  • Feels like:
    38°C
Showers
Showers
  • Precip. probability: 48%
  • Precipitation: 2mm
  • Wind: 10km/hWNW 289°
  • Humidity: 77%
  • Pressure: 1012mbar
  • Visibility: 11km
  • UV index: 8
  • ▼
  • 12h
  • 30°C
  • Feels like:
    37°C
Few Showers
Few Showers
  • Precip. probability: 32%
  • Precipitation: 1mm
  • Wind: 12km/hWNW 282°
  • Humidity: 77%
  • Pressure: 1010mbar
  • Visibility: 16km
  • UV index: 9
  • ▼
  • 14h
  • 30°C
  • Feels like:
    36°C
Isolated Thunderstorms
Isolated Thunderstorms
  • Precip. probability: 34%
  • Precipitation: 2mm
  • Wind: 13km/hW 276°
  • Humidity: 79%
  • Pressure: 1009mbar
  • Visibility: 14km
  • UV index: 5
  • ▼
  • 16h
  • 29°C
  • Feels like:
    35°C
Scattered Thunderstorms
Scattered Thunderstorms
  • Precip. probability: 52%
  • Precipitation: 3mm
  • Wind: 9km/hW 281°
  • Humidity: 84%
  • Pressure: 1009mbar
  • Visibility: 2km
  • UV index: 0
  • ▼
Sunset: 17:53
  • 18h
  • 27°C
  • Feels like:
    32°C
Scattered Thunderstorms
Scattered Thunderstorms
  • Precip. probability: 47%
  • Precipitation: 1mm
  • Wind: 6km/hNNE 13°
  • Humidity: 89%
  • Pressure: 1010mbar
  • Visibility: 11km
  • UV index: 0
  • ▼
  • 20h
  • 27°C
  • Feels like:
    31°C
Showers
Showers
  • Precip. probability: 39%
  • Precipitation: 1mm
  • Wind: 5km/hESE 116°
  • Humidity: 91%
  • Pressure: 1012mbar
  • Visibility: 8km
  • UV index: 0
  • ▼
  • 22h
  • 26°C
  • Feels like:
    31°C
Cloudy
Cloudy
  • Precip. probability: 10%
  • Precipitation: 0mm
  • Wind: 4km/hESE 105°
  • Humidity: 94%
  • Pressure: 1012mbar
  • Visibility: 10km
  • UV index: 0
  • ▼
Today, in Kolonnawa, a combination of rain-filled, lightning-active and cloudy weather is anticipated.
Rainfall is anticipated at 6h, and from 9h to 20h. The most intense rain will be falling at 15h and 16h.
The temperature will vary between the highest temperature of 30°C and the lowest temperature of 26°C. The feels-like temperature will vary between the highest temperature of 38°C and the lowest temperature of 30°C. The hottest part of the day will be from 9h to 14h.
The high temperature is expected to be comparable to October's usual value of 30°C. The temperature low is forecasted to be also consistent with the usual October value of 25°C.
Updated: Oct 19, 2026 @ 22:30:35 UTC
Published by: Weather Atlas | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

The temperature at 04:00 +0530 is 27°C. Feels-like temperature is 31°C.

Today, scattered thunderstorms are expected, bringing gusty winds and heavy rain at times.

Moderate precipitation of 16mm is predicted. The chance of rainfall is 52%.

Today, the maximum temperature will be 31°C, while the minimum temperature will be 25°C. The maximum heat index, which factors the actual air temperature with the relative humidity, is assessed at 42°C.
The highest temperature will be in line with the average maximum of 30°C in October. The lowest temperature will be also in line with the average low of 25°C.

On Tuesday, in Kolonnawa, sunrise will be at 05:56 and sunset at 17:53 (+0530).

Today, the daylight will last for 11h and 57min.