Live Weather & Forecast
Weather in Gampaha
Western Province, Sri Lanka · Real-time conditions & 3-day outlook
27°C
Feels like 32°C
81°F / Feels 89°F
Partly Cloudy
Gampaha, Western Province
🌙 Nighttime
Updated: 2026-04-28 23:30
Humidity
100%
Wind
5.4 km/h SE
Wind Gust
8.9 km/h
Pressure
1009 mb
Visibility
10 km
UV Index
0
(Low)
Precipitation
0 mm
Cloud Cover
25%
Dew Point
23.8°C
Wind Degree
139°
Air Quality Index
US EPA: Moderate
UK DEFRA: Low (2)
CO
1232.9 μg/m³
NO₂
36.3 μg/m³
O₃
35 μg/m³
SO₂
13.3 μg/m³
PM 2.5
20.1 μg/m³
PM 10
20.5 μg/m³
Today's Hourly Forecast
24-hour breakdown for Gampaha, Western Province
12 AM
26°
Clear
1 AM
26°
Patchy rain nearby
2 AM
26°
Patchy rain nearby
3 AM
26°
Patchy rain nearby
4 AM
25°
Clear
5 AM
25°
Clear
6 AM
26°
Sunny
7 AM
27°
Sunny
8 AM
28°
Sunny
9 AM
29°
Sunny
10 AM
30°
Sunny
11 AM
31°
Partly Cloudy
12 PM
31°
Sunny
1 PM
31°
Partly Cloudy
2 PM
30°
Light rain shower
3 PM
30°
Light rain shower
4 PM
29°
Light rain shower
5 PM
28°
Moderate or heavy rain shower
6 PM
27°
Light drizzle
7 PM
27°
Patchy rain nearby
8 PM
27°
Light rain shower
9 PM
26°
Patchy light rain
10 PM
26°
Light rain shower
11 PM
27°
Partly Cloudy
3-Day Forecast
Daily overview for Gampaha, Western Province
Today
Moderate rain
31°
/
25°
🌧️ 98% chance of rain
💧 Avg. humidity: 79%
💨 Max wind: 14.8 km/h
🌧️ Total precip: 11.33 mm
☀️ UV Index: 11.7
🌅 Sunrise: 05:57 AM
🌇 Sunset: 06:19 PM
🌙 Waxing Gibbous
🌑 Moon: 87% lit
Wed, Apr 29
Patchy rain nearby
31°
/
26°
🌧️ 88% chance of rain
💧 Avg. humidity: 79%
💨 Max wind: 16.6 km/h
🌧️ Total precip: 3.31 mm
☀️ UV Index: 12.5
🌅 Sunrise: 05:57 AM
🌇 Sunset: 06:19 PM
🌙 Waxing Gibbous
🌑 Moon: 93% lit
Thu, Apr 30
Patchy rain nearby
31°
/
27°
🌧️ 87% chance of rain
💧 Avg. humidity: 77%
💨 Max wind: 16.9 km/h
🌧️ Total precip: 2.4 mm
☀️ UV Index: 11.9
🌅 Sunrise: 05:57 AM
🌇 Sunset: 06:19 PM
🌙 Waxing Gibbous
🌑 Moon: 97% lit
Best Time to Visit Gampaha
Plan your trip to Gampaha, 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 Gampaha?
Current conditions in Gampaha: Partly Cloudy, temperature 27°C, humidity 100%.
What is the best time to visit Gampaha?
The best time to visit Gampaha is typically November – April. Dry season — low humidity, clear skies, comfortable temperatures.
What is the climate like in Gampaha?
Gampaha is located at approximately 7.1° latitude. It has a tropical or subtropical climate with wet and dry seasons.
Does it rain a lot in Gampaha?
The wettest period in Gampaha is typically during June – September. Wet/monsoon season; heavier rainfall possible.
What should I pack for a trip to Gampaha?
For visits to Gampaha during November – April: light clothing and sun protection. For June – September: layers and a waterproof jacket are recommended.
What country is Gampaha in?
Gampaha is located in Sri Lanka, in the state of Western Province.
What are the public holidays in Gampaha in 2026?
View the 2026 public holidays for Gampaha on our Holidays page.
What are the GPS coordinates used for the weather forecast in Gampaha?
The weather forecast for Gampaha uses coordinates 7.0926, 79.9951.
What is the current temperature outside in Gampaha?
The current outdoor temperature in Gampaha is 27°C (81°F) with partly cloudy.
What is the hourly weather forecast for Gampaha today?
Today's hour-by-hour weather breakdown for Gampaha 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 Gampaha tomorrow hour by hour?
Tomorrow's forecast for Gampaha shows a high of 31°C and a low of 26°C. See the 3-Day Forecast section above for a full hourly breakdown.
What is the chance of rain today in Gampaha?
There is a 98% chance of rain in Gampaha 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 Gampaha?
Yes, there is a 98% chance of rain in Gampaha today — consider carrying an umbrella. Check the hourly forecast above for the most likely rain windows.