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Weather in Chilaw, Sri Lanka 🇱🇰

Weather Forecast in Chilaw

Current Weather in Chilaw

Partly cloudy
30°C
Feels like 37°C. Partly cloudy.
🌬️ 19 km/h WSW
💧 75% Humidity
🧭 1011 hPa
👁️ 10.0 km Visibility
☀️ UV Index: 5.3
🌡️ Dew Point: 24°C
🌅 Sunrise: 05:59 AM
🌇 Sunset: 06:32 PM
Map Overlays:

In Chilaw right now it is 30°C and partly cloudy, feeling like 37°C. Humidity is 75% with winds around 19 km/h, and the UV index is 5 (moderate). Over the next few days, temperatures in Chilaw range from about 26°C to 29°C.

Hourly Forecast for Chilaw

10:00
Patchy rain nearby
28°
16%
11:00
Sunny
29°
8%
12:00
Sunny
29°
8%
13:00
Sunny
29°
7%
14:00
Sunny
29°
7%
15:00
Sunny
29°
7%
16:00
Patchy rain nearby
29°
21%
17:00
Patchy rain nearby
28°
25%
18:00
Patchy rain nearby
27°
29%
19:00
Clear
27°
11%
20:00
Partly Cloudy
27°
12%
21:00
Partly Cloudy
27°
12%
22:00
Thundery outbreaks in nearby
27°
16%
23:00
Thundery outbreaks in nearby
27°
23%
00:00
Thundery outbreaks in nearby
27°
20%
01:00
Thundery outbreaks in nearby
27°
23%
02:00
Patchy light drizzle
27°
55%
03:00
Patchy rain nearby
26°
41%
04:00
Patchy rain nearby
26°
28%
05:00
Patchy rain nearby
27°
30%
06:00
Patchy rain nearby
27°
29%
07:00
Patchy rain nearby
27°
36%
08:00
Patchy rain nearby
28°
20%
09:00
Patchy rain nearby
28°
24%

14-Day Forecast for Chilaw

Wed, Jul 08
Patchy rain nearby Patchy rain nearby
29° / 26°
Thu, Jul 09
Patchy rain nearby Patchy rain nearby
29° / 26°
Fri, Jul 10
Patchy rain nearby Patchy rain nearby
29° / 26°
Sat, Jul 11
Patchy rain nearby Patchy rain nearby
28° / 26°
Sun, Jul 12
Patchy rain nearby Patchy rain nearby
29° / 26°
Mon, Jul 13
Patchy rain nearby Patchy rain nearby
28° / 26°
Tue, Jul 14
Patchy rain nearby Patchy rain nearby
28° / 26°
Wed, Jul 15
Patchy rain nearby Patchy rain nearby
28° / 26°
Thu, Jul 16
Patchy rain nearby Patchy rain nearby
28° / 26°
Fri, Jul 17
Patchy rain nearby Patchy rain nearby
28° / 26°
Sat, Jul 18
Patchy rain nearby Patchy rain nearby
28° / 26°
Sun, Jul 19
Patchy rain nearby Patchy rain nearby
28° / 26°
Mon, Jul 20
Patchy rain nearby Patchy rain nearby
28° / 26°
Tue, Jul 21
Patchy rain nearby Patchy rain nearby
28° / 26°

Additional Forecasts for Chilaw

Air Quality

💨 US EPA Index 2 (Moderate)
CO (Carbon Monoxide) 134.0 μg/m³
O₃ (Ozone) 71.0 μg/m³
NO₂ (Nitrogen Dioxide) 10.9 μg/m³
SO₂ (Sulphur Dioxide) 6.3 μg/m³
PM2.5 (Fine particles) 17.8 μg/m³
PM10 (Coarse particles) 24.9 μg/m³

Historical Weather

Weather Forecasts for Other Cities in Sri Lanka

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Best Time to Be Outside in Chilaw Today

The most comfortable window in Chilaw today looks like 14:00 to 16:00, when it is around 29°C. It should stay dry through that window. The next likely rain is around 02:00.

Frequently Asked Questions about Weather in Chilaw

What is the temperature in Chilaw right now?

The current temperature in Chilaw is 30°C (86°F), partly cloudy (feels like 37°C).

What's the weather like in Chilaw right now?

Conditions in Chilaw right now: Partly cloudy, humidity 75%, wind 19 km/h WSW.

What is today's forecast for Chilaw?

Today in Chilaw: high 29°C, low 26°C, patchy rain nearby. Chance of rain: 43%.

What is the 7-day weather forecast for Chilaw?

Daily highs and lows for Chilaw:

  • 2026-07-08: 29°C / 26°C
  • 2026-07-09: 29°C / 26°C
  • 2026-07-10: 29°C / 26°C
  • 2026-07-11: 28°C / 26°C
  • 2026-07-12: 29°C / 26°C
  • 2026-07-13: 28°C / 26°C
  • 2026-07-14: 28°C / 26°C
Is it going to rain in Chilaw today?

There is a 43% chance of rain in Chilaw today. Total expected precipitation: 0.54 mm.

What is the wind speed in Chilaw right now?

Wind in Chilaw is currently 19 km/h (12 mph) from the WSW.

What is the UV index in Chilaw right now?

The UV index in Chilaw is currently 5.3 (moderate). Sun protection is recommended when the index is 3 or higher.

Weather forecasts for other major cities in 🇱🇰 Sri Lanka: Colombo · Dehiwala-Mount Lavinia · Maharagama · Jaffna · Moratuwa · Negombo · Pita Kotte · Sri Jayewardenepura Kotte · Kandy · Trincomalee · Kalmunai · Galle · Point Pedro · Batticaloa · Katunayaka · Valvedditturai · Matara · Battaramulla South · Dambulla · Kolonnawa · Kotikawatta · Anuradhapura · Vavuniya · Hendala · Ambalangoda · Ratnapura · Badulla · Puttalam · Devinuwara · Ampara · Welisara · Kalutara · Bentota · Matale · Homagama · Beruwala · Panadura · Mulleriyawa · Kandana · Ja Ela · Wattala · Kelaniya · Peliyagoda · Kurunegala · Nuwara Eliya · Chilaw · Gampola · Eravur Town · Hanwella Ihala · Weligama