Weather forecast for todayHeerassagala, Sri Lanka

Weather forecast for today

Current condition 02:20 +0530

  • 21°C
  • Feels like:
    21°C
Mostly Cloudy
Mostly Cloudy
  • Precipitation: 0mm
  • Wind: 2km/hSE 140°
  • Humidity: 100%
  • Dewpoint: 21°C
  • Pressure: 1011.85mbar
  • Visibility: 12.87km
  • UV index: 0
  • ▼
Currently, in Heerassagala, a dense layer of clouds is spreading across the sky, making it predominantly cloudy.
The temperature is an agreeable 21°C. The current temperature is at the minimum expected for today.

Tuesday 20. Oct 2026

  • 28°C
  • 21°C
Thunderstorms
Thunderstorms
  • Precip. probability: 71%
  • Precipitation: 0mm
  • Wind: 11km/hWSW 243°
  • Humidity: 88%
  • UV index: 9
  • Sunrise: 05:54 +0530
  • Sunset: 17:50 +0530
  • ▼
On Tuesday, in Heerassagala, storm chances remain present.
Minimal precipitation is forecasted for today. The expected temperature range extends from a high of a moderately hot 28°C to a low of a pleasant 21°C.
The maximum heat index, which factors the actual air temperature with the relative humidity, is evaluated at a humid 33°C. Take into consideration that the heat index values are calculated for shade and light wind conditions.
Forecasts show the temperature expected to reach the usual October high of 29.4°C.
Sunrise will be at 05:54 and sunset at 17:50; the daylight will last for 11h and 56min.

Hourly overview

Hourly temperatures

Warmest hour: 11h 32°C.
Coldest period: 2h - 5h 21°C.

Chance of precipitation

Highest chance: 11h - 14h 64%.

Hourly weather forecast

  • 2h
  • 21°C
  • Feels like:
    21°C
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 5%
  • Precipitation: 0mm
  • Wind: 2km/hSE 142°
  • Humidity: 100%
  • Pressure: 1011mbar
  • Visibility: 13km
  • UV index: 0
  • ▼
  • 4h
  • 21°C
  • Feels like:
    21°C
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 7%
  • Precipitation: 0mm
  • Wind: 3km/hSSW 198°
  • Humidity: 98%
  • Pressure: 1012mbar
  • Visibility: 13km
  • UV index: 0
  • ▼
Sunrise: 05:54
  • 6h
  • 21°C
  • Feels like:
    21°C
Cloudy
Cloudy
  • Precip. probability: 6%
  • Precipitation: 0mm
  • Wind: 3km/hS 187°
  • Humidity: 98%
  • Pressure: 1013mbar
  • Visibility: 13km
  • UV index: 0
  • ▼
  • 8h
  • 25°C
  • Feels like:
    25°C
Cloudy
Cloudy
  • Precip. probability: 12%
  • Precipitation: 0mm
  • Wind: 7km/hWSW 243°
  • Humidity: 86%
  • Pressure: 1014mbar
  • Visibility: 16km
  • UV index: 3
  • ▼
  • 10h
  • 28°C
  • Feels like:
    32°C
Showers
Showers
  • Precip. probability: 56%
  • Precipitation: 1mm
  • Wind: 9km/hW 266°
  • Humidity: 79%
  • Pressure: 1013mbar
  • Visibility: 11km
  • UV index: 8
  • ▼
  • 12h
  • 27°C
  • Feels like:
    32°C
Thunderstorms
Thunderstorms
  • Precip. probability: 71%
  • Precipitation: 3mm
  • Wind: 9km/hW 269°
  • Humidity: 84%
  • Pressure: 1011mbar
  • Visibility: 2km
  • UV index: 6
  • ▼
  • 14h
  • 26°C
  • Feels like:
    30°C
Thunderstorms
Thunderstorms
  • Precip. probability: 64%
  • Precipitation: 3mm
  • Wind: 8km/hWSW 256°
  • Humidity: 89%
  • Pressure: 1009mbar
  • Visibility: 2km
  • UV index: 3
  • ▼
  • 16h
  • 25°C
  • Feels like:
    28°C
Scattered Thunderstorms
Scattered Thunderstorms
  • Precip. probability: 55%
  • Precipitation: 1mm
  • Wind: 7km/hWSW 255°
  • Humidity: 94%
  • Pressure: 1010mbar
  • Visibility: 9km
  • UV index: 0
  • ▼
Sunset: 17:50
  • 18h
  • 24°C
  • Feels like:
    26°C
Cloudy
Cloudy
  • Precip. probability: 24%
  • Precipitation: 0mm
  • Wind: 4km/hSSE 153°
  • Humidity: 96%
  • Pressure: 1011mbar
  • Visibility: 11km
  • UV index: 0
  • ▼
  • 20h
  • 23°C
  • Feels like:
    26°C
Few Showers
Few Showers
  • Precip. probability: 33%
  • Precipitation: 1mm
  • Wind: 3km/hSSE 156°
  • Humidity: 97%
  • Pressure: 1013mbar
  • Visibility: 10km
  • UV index: 0
  • ▼
  • 22h
  • 23°C
  • Feels like:
    24°C
Cloudy
Cloudy
  • Precip. probability: 10%
  • Precipitation: 0mm
  • Wind: 3km/hSE 129°
  • Humidity: 99%
  • Pressure: 1013mbar
  • Visibility: 12km
  • UV index: 0
  • ▼
Today, in Heerassagala, a combination of cloudy, storm-filled and rain-soaked weather is forecasted.
Rainfall is forecasted from 10h to 17h, 19h and at 20h. With light precipitation of 3mm, the most intense rain will be falling from 12h to 14h.
The temperature will be between a maximum of 28°C and a minimum of 21°C. The feels-like temperature will be between a maximum of 32°C and a minimum of 21°C. The warmest part of the day will be at 10h and 11h.
The maximum temperature will be consistent with the average high of 29.4°C in October. The temperature low is forecasted to be also alike with the usual October value of 20.7°C.
Updated: Oct 19, 2026 @ 20:50:50 UTC
Published by: Weather Atlas | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

The current temperature (02:20 +0530) is 21°C.

Today, electrical storms are a possibility.

There is a high possibility of rainfall, but with minimal precipitation.

Today, the highest temperature will be 28°C, while the lowest temperature will be 21°C. The maximum heat index, which integrates air moisture with ambient temperature, is estimated at 33°C.
The maximum temperature will be in line with the average highest temperature of 29.4°C in October. The lowest temperature will be also in line with the average low of 20.7°C.

On Tuesday, in Heerassagala, sunrise will be at 05:54 and sunset at 17:50 (+0530).

In Heerassagala, the length of the day today will be 11h and 56min.