# SRI LANKA WEATHER FORECAST FOR TOMORROW, 18 OCTOBER 2026

- Link: https://www.weather.lk/sri-lanka-weather-forecast-for-tomorrow-18-october-2026/
- Published: 2026-10-17T18:35:16+05:30
- Author: WeatherLK

Sri Lanka is expected to experience showers or thundershowers across most parts 
of the island on Sunday, 18 October 2026,warns of heavy rainfall in several provinces
and districts, along with strong winds and lightning during thunderstorms.

Showers or thundershowers are expected in most areas of the country after 1.00 p.
m. Fairly heavy rainfall exceeding 75 mm is likely at some locations in the Sabaragamuwa,
Central, North Central and Uva provinces. The Batticaloa, Trincomalee and Mullaitivu
districts may also receive heavy rainfall.

Morning showers are possible in coastal areas of the Mannar and Jaffna districts.
Meanwhile, misty conditions may develop in some areas of the Western, Sabaragamuwa,
Central and Uva provinces during the early morning hours.

The public is advised to take necessary precautions against temporary localized 
strong winds and lightning during thundershowers. People should remain alert to 
changing weather conditions and take appropriate safety measures, particularly in
areas expecting heavy rainfall.

I

![](https://meteo.gov.lk/gifs/analysis1.gif?t=1792241925347)

**SEA AREA FORECAST**

In the sea areas around Sri Lanka, showers or thundershowers are expected at several
locations during the next 24 hours. Southwesterly winds will prevail at speeds of
25 to 35 kmph.

Wind speeds may occasionally increase to 45–50 kmph in the sea areas extending from
Chilaw to Kankasanthurai via Puttalam. These sea areas may become fairly rough at
times, while other sea areas around the island are expected to remain slight under
normal conditions.

However, temporarily strong gusty winds of 60–70 kmph and very rough seas may occur
during thundershowers. Naval personnel, fishermen and others engaging in sea activities
are advised to remain vigilant and exercise caution during adverse weather conditions.

![](https://meteo.gov.lk/gifs/marine1.gif?t=1792242082276)