Live Weather & Forecast
Weather in Ratmalana
Colombo, Sri Lanka · Real-time conditions & 3-day outlook
27°C
Feels like 31°C
81°F / Feels 88°F
Partly Cloudy
Ratmalana, Colombo
🌙 Nighttime
Updated: 2026-04-29 02:30
Humidity
84%
Wind
13 km/h SSE
Wind Gust
20.8 km/h
Pressure
1007 mb
Visibility
10 km
UV Index
0
(Low)
Precipitation
0 mm
Cloud Cover
29%
Dew Point
24.3°C
Wind Degree
158°
Air Quality Index
US EPA: Moderate
UK DEFRA: Low (2)
CO
1378.9 μg/m³
NO₂
33.6 μg/m³
O₃
13 μg/m³
SO₂
7.8 μg/m³
PM 2.5
17.4 μg/m³
PM 10
18 μg/m³
Today's Hourly Forecast
24-hour breakdown for Ratmalana, Colombo
12 AM
28°
Patchy rain nearby
1 AM
27°
Partly Cloudy
2 AM
27°
Partly Cloudy
3 AM
27°
Partly Cloudy
4 AM
27°
Patchy rain nearby
5 AM
27°
Patchy rain nearby
6 AM
27°
Patchy rain nearby
7 AM
28°
Patchy rain nearby
8 AM
29°
Partly Cloudy
9 AM
30°
Partly Cloudy
10 AM
31°
Patchy rain nearby
11 AM
31°
Patchy light rain in area with thunder
12 PM
31°
Patchy rain nearby
1 PM
30°
Patchy light rain in area with thunder
2 PM
31°
Patchy rain nearby
3 PM
30°
Patchy light rain in area with thunder
4 PM
30°
Patchy light rain in area with thunder
5 PM
29°
Thundery outbreaks in nearby
6 PM
29°
Thundery outbreaks in nearby
7 PM
29°
Partly Cloudy
8 PM
28°
Partly Cloudy
9 PM
28°
Partly Cloudy
10 PM
28°
Partly Cloudy
11 PM
28°
Partly Cloudy
3-Day Forecast
Daily overview for Ratmalana, Colombo
Today
Patchy rain nearby
31°
/
27°
🌧️ 89% chance of rain
💧 Avg. humidity: 77%
💨 Max wind: 16.6 km/h
🌧️ Total precip: 1.62 mm
☀️ UV Index: 12.2
🌅 Sunrise: 05:58 AM
🌇 Sunset: 06:18 PM
🌙 Waxing Gibbous
🌑 Moon: 93% lit
Thu, Apr 30
Patchy rain nearby
31°
/
27°
🌧️ 84% chance of rain
💧 Avg. humidity: 76%
💨 Max wind: 16.9 km/h
🌧️ Total precip: 2.32 mm
☀️ UV Index: 12.8
🌅 Sunrise: 05:57 AM
🌇 Sunset: 06:18 PM
🌙 Waxing Gibbous
🌑 Moon: 97% lit
Fri, May 1
Patchy rain nearby
31°
/
27°
🌧️ 89% chance of rain
💧 Avg. humidity: 77%
💨 Max wind: 18 km/h
🌧️ Total precip: 3.91 mm
☀️ UV Index: 11.2
🌅 Sunrise: 05:57 AM
🌇 Sunset: 06:18 PM
🌙 Full Moon
🌑 Moon: 99% lit
Best Time to Visit Ratmalana
Plan your trip to Ratmalana, Sri Lanka around the most favorable weather conditions.
Peak Season
November – April
Dry season — low humidity, clear skies, comfortable temperatures.
Shoulder Season
May, October
Fewer crowds, moderate prices, mild weather.
Off Season
June – September
Wet/monsoon season; heavier rainfall possible.
Frequently Asked Questions
What is the current weather in Ratmalana?
Current conditions in Ratmalana: Partly Cloudy, temperature 27°C, humidity 84%.
What is the best time to visit Ratmalana?
The best time to visit Ratmalana is typically November – April. Dry season — low humidity, clear skies, comfortable temperatures.
What is the climate like in Ratmalana?
Ratmalana is located at approximately 6.8° latitude. It has a tropical or subtropical climate with wet and dry seasons.
Does it rain a lot in Ratmalana?
The wettest period in Ratmalana is typically during June – September. Wet/monsoon season; heavier rainfall possible.
What should I pack for a trip to Ratmalana?
For visits to Ratmalana during November – April: light clothing and sun protection. For June – September: layers and a waterproof jacket are recommended.
What are the public holidays in Ratmalana in 2026?
View the 2026 public holidays for Ratmalana on our Holidays page.
What are the GPS coordinates used for the weather forecast in Ratmalana?
The weather forecast for Ratmalana uses coordinates 6.8197, 79.8683.
What is the current temperature outside in Ratmalana?
The current outdoor temperature in Ratmalana is 27°C (81°F) with partly cloudy.
What is the hourly weather forecast for Ratmalana today?
Today's hour-by-hour weather breakdown for Ratmalana is shown in the Hourly Forecast section above, including temperature, rain chance, and conditions for each hour of the day.
What is the weather in Ratmalana tomorrow hour by hour?
Tomorrow's forecast for Ratmalana shows a high of 31°C and a low of 27°C. See the 3-Day Forecast section above for a full hourly breakdown.
What is the chance of rain today in Ratmalana?
There is a 89% chance of rain in Ratmalana today. Check the hourly forecast above for a time-by-time breakdown of when rain is most likely.
Is it going to rain today in Ratmalana?
Yes, there is a 89% chance of rain in Ratmalana today — consider carrying an umbrella. Check the hourly forecast above for the most likely rain windows.