🇱🇰 Weather in Chilaw
Map Overlays:
Hourly Forecast for Chilaw
12:00
29°
100%
13:00
29°
100%
14:00
29°
100%
15:00
29°
100%
16:00
28°
100%
17:00
28°
100%
18:00
28°
100%
19:00
28°
100%
20:00
28°
100%
21:00
28°
100%
22:00
27°
100%
23:00
27°
100%
00:00
27°
100%
01:00
27°
100%
02:00
27°
100%
03:00
27°
100%
04:00
27°
100%
05:00
27°
100%
06:00
27°
100%
07:00
28°
100%
08:00
28°
100%
09:00
28°
100%
10:00
28°
100%
11:00
28°
100%
14-Day Forecast for Chilaw
Sun, May 24
Heavy rain
29° /
27°
Mon, May 25
Heavy rain
28° /
27°
Tue, May 26
Heavy rain
28° /
27°
Wed, May 27
Heavy rain
28° /
27°
Thu, May 28
Patchy rain nearby
29° /
27°
Fri, May 29
Patchy rain nearby
29° /
27°
Sat, May 30
Moderate rain
29° /
27°
Sun, May 31
Moderate rain
28° /
27°
Mon, Jun 01
Moderate rain
29° /
27°
Tue, Jun 02
Patchy rain nearby
29° /
27°
Wed, Jun 03
Moderate rain
28° /
27°
Thu, Jun 04
Moderate rain
28° /
27°
Fri, Jun 05
Patchy rain nearby
29° /
27°
Sat, Jun 06
Patchy rain nearby
29° /
27°
Additional Forecasts for Chilaw
Air Quality
💨 US EPA Index 1 (Good)
CO (Carbon Monoxide) 94.8 μg/m³
O₃ (Ozone) 32.0 μg/m³
NO₂ (Nitrogen Dioxide) 13.4 μg/m³
SO₂ (Sulphur Dioxide) 7.3 μg/m³
PM2.5 (Fine particles) 9.1 μg/m³
PM10 (Coarse particles) 13.1 μg/m³
Historical Weather
Weather Forecasts for Other Cities in Sri Lanka
Frequently Asked Questions about Weather in Chilaw
What is the temperature in Chilaw right now?
The current temperature in Chilaw is 31°C (89°F), patchy rain nearby (feels like 41°C).
What's the weather like in Chilaw right now?
Conditions in Chilaw right now: Patchy rain nearby, humidity 89%, wind 25 km/h WSW.
What is today's forecast for Chilaw?
Today in Chilaw: high 29°C, low 27°C, heavy rain. Chance of rain: 99%.
What is the 7-day weather forecast for Chilaw?
Daily highs and lows for Chilaw:
- 2026-05-24: 29°C / 27°C
- 2026-05-25: 28°C / 27°C
- 2026-05-26: 28°C / 27°C
- 2026-05-27: 28°C / 27°C
- 2026-05-28: 29°C / 27°C
- 2026-05-29: 29°C / 27°C
- 2026-05-30: 29°C / 27°C
Is it going to rain in Chilaw today?
There is a 99% chance of rain in Chilaw today. Total expected precipitation: 22.79 mm.
What is the wind speed in Chilaw right now?
Wind in Chilaw is currently 25 km/h (15 mph) from the WSW.
What is the UV index in Chilaw right now?
The UV index in Chilaw is currently 8.4 (very high). Sun protection is recommended when the index is 3 or higher.




