Weather forecast for 10 days
Sri Lanka

Weather forecast for the weekend

Saturday, 21. Jun

Thunderstorms
05:55

18:29
+0530
Thunderstorms
30°C / 26°C
  • Wind: 17km/h SW
  • Humidity: 85%
  • Precip. probability: 71%
  • Precipitation: 15mm
  • UV index: 6
On Saturday, 21st of June, stormy skies are also anticipated.
The chance of rainfall for tomorrow is high, and precipitation will be moderate. Modest temperature shifts from a high of a humid 30°C to a low of a temperate 26°C are expected.
The maximum heat index, which modifies the air temperature to account for humidity, is computed to be a steamy 39°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.
Tomorrow's peak temperature is expected to align with June's common high of 30.4°C.
Sunrise will be at 05:55 and sunset at 18:29; tomorrow's daylight will last for 12h and 34min.

Sunday, 22. Jun

Thunderstorms
05:55

18:29
+0530
Thunderstorms
30°C / 26°C
  • Wind: 16km/h WSW
  • Humidity: 85%
  • Precip. probability: 71%
  • Precipitation: 16mm
  • UV index: 6
On Sunday, in Sri Jayawardenepura Kotte, stormy skies are anticipated.
With a high probability, moderate precipitation is expected. Minor temperature variations are predicted, peaking at a maximum of a humid 30°C and dropping to a minimum of a warm 26°C.
The maximum temperature on Sunday is predicted to match the regular June high of 30.4°C.
Sunrise will be at 05:55 and sunset at 18:29; the daylight will last for 12h and 34min.

Long-term weather forecast

Thu19.Jun
  • 30°C
  • 26°C
Showers
Showers
  • Wind: 15km/h WSW
  • Humidity: 84%
  • UV index: 7
  • Precip. probability: 62%
  • Precipitation: 3mm
  • 05:55 18:28 +0530
Fri20.Jun
  • 30°C
  • 26°C
Thunderstorms
Thunderstorms
  • Wind: 15km/h SW
  • Humidity: 85%
  • UV index: 6
  • Precip. probability: 76%
  • Precipitation: 13mm
  • 05:55 18:29 +0530
Sat21.Jun
  • 30°C
  • 26°C
Thunderstorms
Thunderstorms
  • Wind: 17km/h SW
  • Humidity: 85%
  • UV index: 6
  • Precip. probability: 71%
  • Precipitation: 15mm
  • 05:55 18:29 +0530
Sun22.Jun
  • 30°C
  • 26°C
Thunderstorms
Thunderstorms
  • Wind: 16km/h WSW
  • Humidity: 85%
  • UV index: 6
  • Precip. probability: 71%
  • Precipitation: 16mm
  • 05:55 18:29 +0530
Mon23.Jun
  • 30°C
  • 26°C
Showers
Showers
  • Wind: 17km/h WSW
  • Humidity: 83%
  • UV index: 10
  • Precip. probability: 60%
  • Precipitation: 6mm
  • 05:56 18:29 +0530
Tue24.Jun
  • 30°C
  • 26°C
Thundershowers
Thundershowers
  • Wind: 17km/h WSW
  • Humidity: 85%
  • UV index: 10
  • Precip. probability: 75%
  • Precipitation: 9mm
  • 05:56 18:29 +0530
Wed25.Jun
  • 29°C
  • 26°C
Thunderstorms
Thunderstorms
  • Wind: 16km/h SW
  • Humidity: 86%
  • UV index: 8
  • Precip. probability: 72%
  • Precipitation: 11mm
  • 05:56 18:30 +0530
Thu26.Jun
  • 30°C
  • 26°C
Thunderstorms
Thunderstorms
  • Wind: 16km/h WSW
  • Humidity: 85%
  • UV index: 8
  • Precip. probability: 63%
  • Precipitation: 13mm
  • 05:56 18:30 +0530
Fri27.Jun
  • 30°C
  • 26°C
Thunderstorms
Thunderstorms
  • Wind: 15km/h WSW
  • Humidity: 84%
  • UV index: 8
  • Precip. probability: 60%
  • Precipitation: 12mm
  • 05:56 18:30 +0530
Sat28.Jun
  • 30°C
  • 26°C
Scattered Thunderstorms
Scattered Thunderstorms
  • Wind: 15km/h WSW
  • Humidity: 82%
  • UV index: 8
  • Precip. probability: 59%
  • Precipitation: 11mm
  • 05:57 18:30 +0530
Primarily storm-filled and occasionally rain-filled weather is forecasted.
Rainfall is expected day-to-day, with daily precipitation varying from a minimal 3mm to a maximum of 16mm.
The variation in maximum temperature will be negligible during the next few days. Expected highs will hover between 29°C and 30°C, while the overnight low will stay at 26°C without change.
The maximum temperature will remain constant at 30°C across most of the next ten days; the lowest daytime temperature of the period will be reached on Thursday, peaking at 29°C.
Taking the humidity into consideration, the maximum feel-like temperature may increase greatly and vary between a torrid 36°C and a steamy 39°C.
Updated: Jun 19, 2025 @ 20:35:16 UTC
Published by: Weather Atlas | About Us
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