Gampaha
10 day weather forecast for Gampaha
Wednesday, 11th November 2026, at 12:00
Today
31° 24°
Tomorrow
30° 23°
Friday
30° 23°
Saturday
28° 23°
Sunday
24° 23°
Monday
30° 23°
Tuesday
29° 23°
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Gampaha Weather Pages
Gampaha weather forecast
The weather forecast for Gampaha over the next 4 days indicates very wet conditions with temperatures ranging from 28 °C to 31 °C.
Rain is expected today and will continue at least through Sunday, accompanied by a gentle breeze.
On Sunday, expect a change in weather with temperatures reaching 24°C, and extremely heavy downpours with a 94% chance, expected to exceed 59.5mm.
Gampaha 14 days weather forecast
This weeks weather in Gampaha. Click on a date for detailed forecasts
Wed. 11
31°
24°
24.5 mm
Thu. 12
30°
23°
18.6 mm
Fri. 13
30°
23°
3.6 mm
Sat. 14
28°
23°
15.8 mm
Sun. 15
24°
23°
59.5 mm
Mon. 16
30°
23°
2.2 mm
Tue. 17
29°
23°
13.9 mm
Wed. 18
30°
22°
0.5 mm
Thu. 19
30°
22°
2.1 mm
Fri. 20
31°
22°
1.1 mm
Sat. 21
31°
23°
0.9 mm
Sun. 22
31°
22°
1.4 mm
Mon. 23
31°
23°
12.4 mm
Tue. 24
31°
23°
6.4 mm
Further Ahead
You can click on date
Access Gampaha weather forecasts with a simple click. Select any date for comprehensive insights on temperature, rainfall, and wind conditions.
Gampaha long range weather forecast
30 day weather forecast for Gampaha
Important Notice
Our Gampaha long range weather forecast is based on historical data analysis rather than real-time forecasting models. While this provides a general outlook, weather conditions can change. We recommend checking the forecast closer to your planned date for the most current information.
Rain Forecast for the Next 14 Days in Gampaha
A total of 162.8 mm is expected over 12 rainy days. The wettest day is Sunday 15, with 59.5 mm. Click a day for details.
Gampaha Wind Speed Forecast Chart
The windiest day is Friday 13, with winds up to 14.4 km/h from the N. The calmest day is Tuesday 24. The average daily maximum is 7.6 km/h.
Wed. 11
6.1 km/h
N · Light breeze
Thu. 12
10.1 km/h
N · Light breeze
Fri. 13
14.4 km/h
N · Gentle breeze
Sat. 14
12.6 km/h
N · Gentle breeze
Sun. 15
5.4 km/h
Calm
Mon. 16
11.9 km/h
W · Light breeze
Tue. 17
10.4 km/h
SW · Light breeze
Wed. 18
6.1 km/h
SW · Light breeze
Thu. 19
7.2 km/h
S · Light breeze
Fri. 20
6.1 km/h
S · Light breeze
Sat. 21
5 km/h
Calm
Sun. 22
4.7 km/h
Calm
Mon. 23
3.6 km/h
Calm
Tue. 24
2.9 km/h
Calm
CalmLight breezeGentle breezeModerate breezeFresh breeze
Frequently asked questions about the weather in Gampaha
How warm is it in Gampaha over the next 14 days?
Over the next two weeks, temperatures in Gampaha are expected to range from around 22 °C on the coldest nights up to about 31 °C on the warmest days. Use this range to plan what to pack and wear.
Will it rain in Gampaha in the next two weeks?
Yes - rain is expected on about 12 of the next 14 days in Gampaha, with roughly 162.8 mm of rainfall in total. It is worth keeping an umbrella or raincoat handy.
How windy is it in Gampaha?
Maximum wind speeds in Gampaha are forecast to reach about 14.4 km/h at their peak over the next 14 days.
When is the best time to visit Gampaha?
For a month-by-month look at temperatures and rainfall, see our best time to visit Gampaha guide.
How accurate is the 14-day forecast for Gampaha?
Our Gampaha forecast uses leading meteorological models and is most reliable over the next few days. Long-range days beyond a week show general trends and can change, so check back closer to the date for updates.
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