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Sign In Live · Clear within 100 km Just updated
27°C 81°F
· Thunderstorm · 100% cloud cover
Feels like 33°C91°F · Low 27°C80°F · High 30°C86°F
Wind
7 km/h4 mph from SW
Humidity
88%
Pressure
1010 hPa29.84 inHg stable
UV Index
0.0 Low
Unsettled — rain
Currently 27°C and thunderstorms in Gampaha.
⛈️ Prolonged storm, moderate-intensity Thursday–Monday, with rain and embedded thunderstorms. Total ~78.0 mm. Peak Sunday (18.6 mm). Typical for the month (normal ~201 mm/month).
🌡️ Running 2.4°C warmer than the June norm (28°C), today tops out at 30°C.
🌤️ Skies clearing from 09:30.
Hourly forecast
Detailed forecast for the next 60 hours
Temperature Precipitation Wind
CAPE (J/kg) Instability Threshold
Now
27°C 81°F
1.9 0.08
7 4
88
08:30
28°C 82°F
8 5
86
09:30
28°C 83°F
10 6
84
10:30
29°C 84°F
10 6
81
11:30
29°C 85°F
0.1 0.00
11 7
78
12:30
30°C 86°F
12 7
75
13:30
30°C 86°F
12 7
74
14:30
30°C 86°F
12 7
75
15:30
30°C 85°F
12 7
76
16:30
29°C 84°F
11 7
79
17:30
28°C 83°F
9 6
81
18:30
28°C 82°F
8 5
84
19:30
28°C 82°F
6 4
86
20:30
27°C 81°F
0.3 0.01
6 3
86
21:30
27°C 81°F
0.1 0.00
5 3
88
22:30
27°C 80°F
4 3
89
23:30
27°C 80°F
5 3
90
00:30
27°C 80°F
5 3
90
01:30
27°C 80°F
0.5 0.02
5 3
90
02:30
26°C 80°F
0.8 0.03
5 3
90
03:30
26°C 80°F
5 3
90
04:30
26°C 80°F
4 3
91
05:30
26°C 80°F
4 3
90
06:30
26°C 80°F
5 3
91
07:30
27°C 80°F
0.3 0.01
5 3
90
08:30
27°C 81°F
7 4
88
09:30
28°C 83°F
8 5
86
10:30
29°C 83°F
0.6 0.02
11 7
84
11:30
29°C 84°F
10 6
81
12:30
29°C 84°F
11 7
80
13:30
29°C 84°F
11 7
79
14:30
29°C 84°F
0.9 0.04
10 6
81
15:30
28°C 83°F
10 6
82
16:30
28°C 83°F
9 5
83
17:30
28°C 82°F
8 5
85
18:30
27°C 81°F
0.6 0.02
6 4
87
19:30
27°C 81°F
0.2 0.01
5 3
88
20:30
27°C 80°F
6 4
90
21:30
27°C 80°F
5 3
91
22:30
27°C 80°F
5 3
90
23:30
27°C 80°F
5 3
91
00:30
27°C 80°F
6 4
90
03:30
27°C 80°F
0.1 0.00
5 3
90
06:30
26°C 80°F
0.6 0.02
5 3
91
09:30
28°C 83°F
9 6
85
12:30
30°C 86°F
0.4 0.02
11 7
76
15:30
29°C 85°F
0.4 0.01
10 6
79
18:30
27°C 81°F
0.7 0.03
6 4
87
mmin km/hmph Humidity %
Daily Forecast
Today 2.9 mm 0.11 in SW 12 km/h 7 mph
(4830)
82%
UV 1 Today Thunderstorm 82% SW 12 km/h 7 mph 2.9 mm 0.11 in
Today
2.9 mm 0.11 in SW 12 km/h 7 mph
(4830)
82%
UV 1
Today
Thunderstorm
82%
SW 12 km/h 7 mph
2.9 mm 0.11 in
Today — Hourly Forecast
Now
27°C 81°F
7 4
08:30
28°C 82°F
8 5
09:30
28°C 83°F
10 6
10:30
29°C 84°F
10 6
11:30
29°C 85°F
11 7
12:30
30°C 86°F
12 7
13:30
30°C 86°F
12 7
14:30
30°C 86°F
12 7
15:30
30°C 85°F
12 7
16:30
29°C 84°F
11 7
17:30
28°C 83°F
9 6
18:30
28°C 82°F
8 5
19:30
28°C 82°F
6 4
20:30
27°C 81°F
6 3
21:30
27°C 81°F
5 3
22:30
27°C 80°F
4 3
23:30
27°C 80°F
5 3
Tomorrow 4.2 mm 0.16 in SW 11 km/h 7 mph
(4729)
87%
UV 1 Tomorrow Thunderstorm 87% SW 11 km/h 7 mph 4.2 mm 0.16 in
Tomorrow
4.2 mm 0.16 in SW 11 km/h 7 mph
(4729)
87%
UV 1
Tomorrow
Thunderstorm
87%
SW 11 km/h 7 mph
4.2 mm 0.16 in
Tomorrow — Hourly Forecast
00:30
27°C 80°F
5 3
01:30
27°C 80°F
5 3
02:30
26°C 80°F
5 3
03:30
26°C 80°F
5 3
04:30
26°C 80°F
4 3
05:30
26°C 80°F
4 3
06:30
26°C 80°F
5 3
07:30
27°C 80°F
5 3
08:30
27°C 81°F
7 4
09:30
28°C 83°F
8 5
10:30
29°C 83°F
11 7
11:30
29°C 84°F
10 6
12:30
29°C 84°F
11 7
13:30
29°C 84°F
11 7
14:30
29°C 84°F
10 6
15:30
28°C 83°F
10 6
16:30
28°C 83°F
9 5
17:30
28°C 82°F
8 5
18:30
27°C 81°F
6 4
19:30
27°C 81°F
5 3
20:30
27°C 80°F
6 4
21:30
27°C 80°F
5 3
22:30
27°C 80°F
5 3
23:30
27°C 80°F
5 3
Saturday 3.9 mm 0.15 in SW 11 km/h 7 mph
(4327)
86%
UV 1 Saturday Thunderstorm 86% SW 11 km/h 7 mph 3.9 mm 0.15 in
Saturday
3.9 mm 0.15 in SW 11 km/h 7 mph
(4327)
86%
UV 1
Saturday
Thunderstorm
86%
SW 11 km/h 7 mph
3.9 mm 0.15 in
Saturday — Forecast Overview
00:30
27°C 80°F
6 4
03:30
27°C 80°F
5 3
06:30
26°C 80°F
5 3
09:30
28°C 83°F
9 6
12:30
30°C 86°F
11 7
15:30
29°C 85°F
10 6
18:30
27°C 81°F
6 4
21:30
27°C 80°F
4 2
Sunday 18.6 mm 0.73 in · heavy SW 16 km/h 10 mph
(4226)
86%
UV 1 Sunday Thunderstorm 86% SW 16 km/h 10 mph 18.6 mm 0.73 in
Sunday
18.6 mm 0.73 in · heavy SW 16 km/h 10 mph
(4226)
86%
UV 1
Sunday
Thunderstorm
86%
SW 16 km/h 10 mph
18.6 mm 0.73 in
Sunday — Forecast Overview
00:30
26°C 79°F
3 2
03:30
26°C 79°F
4 2
06:30
25°C 77°F
6 4
09:30
28°C 83°F
11 7
12:30
29°C 85°F
14 9
15:30
30°C 86°F
15 9
18:30
26°C 80°F
10 6
21:30
26°C 79°F
9 5
Monday 18.2 mm 0.72 in · heavy SW 17 km/h 11 mph
(4830)
85%
UV 1 Monday Light rain 85% SW 17 km/h 11 mph 18.2 mm 0.72 in
Monday
18.2 mm 0.72 in · heavy SW 17 km/h 11 mph
(4830)
85%
UV 1
Monday
Light rain
85%
SW 17 km/h 11 mph
18.2 mm 0.72 in
Monday — Forecast Overview
00:30
26°C 78°F
9 5
03:30
25°C 78°F
9 5
06:30
25°C 77°F
8 5
09:30
28°C 83°F
14 9
12:30
30°C 86°F
17 10
15:30
30°C 85°F
16 10
18:30
26°C 80°F
11 7
21:30
26°C 79°F
9 6
Tuesday 5.6 mm 0.22 in · heavy SW 13 km/h 8 mph
(5232)
84%
UV 1 Tuesday Thunderstorm 84% SW 13 km/h 8 mph 5.6 mm 0.22 in
Tuesday
5.6 mm 0.22 in · heavy SW 13 km/h 8 mph
(5232)
84%
UV 1
Tuesday
Thunderstorm
84%
SW 13 km/h 8 mph
5.6 mm 0.22 in
Night 26°C 80°F
26°C 80°F Morning 30°C 86°F
30°C 86°F Afternoon 30°C 86°F
30°C 86°F Evening 27°C 81°F
27°C 81°F Wednesday 6.0 mm 0.24 in · heavy SW 13 km/h 8 mph
(4428)
85%
UV 1 Wednesday Thunderstorm 85% SW 13 km/h 8 mph 6.0 mm 0.24 in
Wednesday
6.0 mm 0.24 in · heavy SW 13 km/h 8 mph
(4428)
85%
UV 1
Wednesday
Thunderstorm
85%
SW 13 km/h 8 mph
6.0 mm 0.24 in
Night 
27°C 80°F
27°C 80°F Morning 30°C 85°F
30°C 85°F Afternoon 30°C 85°F
30°C 85°F Evening 27°C 81°F
27°C 81°F Thursday 3.3 mm 0.13 in SW 17 km/h 10 mph
(3321)
85%
UV 1 Thursday Light rain 85% SW 17 km/h 10 mph 3.3 mm 0.13 in
Thursday
3.3 mm 0.13 in SW 17 km/h 10 mph
(3321)
85%
UV 1
Thursday
Light rain
85%
SW 17 km/h 10 mph
3.3 mm 0.13 in
Night 26°C 79°F
26°C 79°F Morning 30°C 85°F
30°C 85°F Afternoon 30°C 85°F
30°C 85°F Evening 26°C 78°F
26°C 78°F 
Extended Forecast (GFS) Friday 7.3 mm 0.29 in · heavy SW 17 km/h 11 mph
(3622)
85% Friday Light rain 85% SW 17 km/h 11 mph 7.3 mm 0.29 in
Friday
7.3 mm 0.29 in · heavy SW 17 km/h 11 mph
(3622)
85%
Friday
Light rain
85%
SW 17 km/h 11 mph
7.3 mm 0.29 in
Night 26°C 78°F
26°C 78°F Morning 29°C 84°F
29°C 84°F Afternoon 29°C 84°F
29°C 84°F Evening 26°C 78°F
26°C 78°F Saturday 4.1 mm 0.16 in SW 18 km/h 11 mph
(3723)
82% Saturday Light rain 82% SW 18 km/h 11 mph 4.1 mm 0.16 in
Saturday
4.1 mm 0.16 in SW 18 km/h 11 mph
(3723)
82%
Saturday
Light rain
82%
SW 18 km/h 11 mph
4.1 mm 0.16 in
Night 26°C 78°F
26°C 78°F Morning 30°C 87°F
30°C 87°F Afternoon 30°C 87°F
30°C 87°F Evening 26°C 78°F
26°C 78°F Sunday 2.5 mm 0.10 in SW 17 km/h 10 mph
(3019)
83% Sunday Light rain 83% SW 17 km/h 10 mph 2.5 mm 0.10 in
Sunday
2.5 mm 0.10 in SW 17 km/h 10 mph
(3019)
83%
Sunday
Light rain
83%
SW 17 km/h 10 mph
2.5 mm 0.10 in
Night 25°C 76°F
25°C 76°F Morning 29°C 85°F
29°C 85°F Afternoon 29°C 85°F
29°C 85°F Evening 26°C 78°F
26°C 78°F Monday 1.3 mm 0.05 in SW 19 km/h 12 mph
(3321)
81% Monday Drizzle 81% SW 19 km/h 12 mph 1.3 mm 0.05 in
Monday
1.3 mm 0.05 in SW 19 km/h 12 mph
(3321)
81%
Monday
Drizzle
81%
SW 19 km/h 12 mph
1.3 mm 0.05 in
Night 26°C 78°F
26°C 78°F Morning 31°C 87°F
31°C 87°F Afternoon 31°C 87°F
31°C 87°F Evening 26°C 79°F
26°C 79°F Tuesday 0.9 mm 0.03 in SW 18 km/h 11 mph
(3220)
80% Tuesday Drizzle 80% SW 18 km/h 11 mph 0.9 mm 0.03 in
Tuesday
0.9 mm 0.03 in SW 18 km/h 11 mph
(3220)
80%
Tuesday
Drizzle
80%
SW 18 km/h 11 mph
0.9 mm 0.03 in
Night 25°C 77°F
25°C 77°F Morning 31°C 87°F
31°C 87°F Afternoon 31°C 87°F
31°C 87°F Evening 26°C 79°F
26°C 79°F Wednesday 3.9 mm 0.15 in SW 17 km/h 10 mph
(3019)
82% Wednesday Light rain 82% SW 17 km/h 10 mph 3.9 mm 0.15 in
Wednesday
3.9 mm 0.15 in SW 17 km/h 10 mph
(3019)
82%
Wednesday
Light rain
82%
SW 17 km/h 10 mph
3.9 mm 0.15 in
Night 25°C 77°F
25°C 77°F Morning 29°C 85°F
29°C 85°F Afternoon 29°C 85°F
29°C 85°F Evening 25°C 78°F
25°C 78°F Thursday 7.0 mm 0.28 in · heavy SW 17 km/h 11 mph
(3220)
85% Thursday Light rain 85% SW 17 km/h 11 mph 7.0 mm 0.28 in
Thursday
7.0 mm 0.28 in · heavy SW 17 km/h 11 mph
(3220)
85%
Thursday
Light rain
85%
SW 17 km/h 11 mph
7.0 mm 0.28 in
Night 25°C 77°F
25°C 77°F Morning 29°C 84°F
29°C 84°F Afternoon 29°C 84°F
29°C 84°F Evening 25°C 78°F
25°C 78°F Friday 8.1 mm 0.32 in · heavy SW 16 km/h 10 mph
(3320)
87% Friday Light rain 87% SW 16 km/h 10 mph 8.1 mm 0.32 in
Friday
8.1 mm 0.32 in · heavy SW 16 km/h 10 mph
(3320)
87%
Friday
Light rain
87%
SW 16 km/h 10 mph
8.1 mm 0.32 in
Night 25°C 77°F
25°C 77°F Morning 29°C 84°F
29°C 84°F Afternoon 29°C 84°F
29°C 84°F Evening 26°C 78°F
26°C 78°F Sunrise
05:52 AM
Civil Dawn 05:22 AM
Sunset
06:23 PM
Civil Dusk 06:53 PM
Today vs. seasonal normal
-0.3°C-0.5°F
Gampaha is located in Western Province, Sri Lanka. Elevation: 16m. Annual average temperature: 27°C. Annual precipitation: 2379mm.
Frequently Asked Questions
What is the weather like in Gampaha today?
Today in Gampaha, Sri Lanka, the temperature is 27°C with Thunderstorm. The high is 30°C and the low is 27°C.
What is the 16-day forecast for Gampaha?
The 16-day forecast for Gampaha shows the warmest day is Tuesday at 31°C, while the coolest night is Sunday at 24°C. 16 day(s) have precipitation expected.
What time is sunrise and sunset in Gampaha?
In Gampaha, sunrise is at 02:22 AM and sunset is at 02:53 PM. Day length is approximately 12h 30m.
How accurate is the weather forecast for Gampaha?
Our forecasts for Gampaha use the DWD ICON model, one of the world's most advanced weather prediction systems. Accuracy is typically 85-90% for 1-3 day forecasts. Gampaha has an annual average temperature of 27°C and receives 2379mm of precipitation per year.
Last updated: 06/04/2026, 07:30 AM
June climate in Gampaha
Normals for June: average 28°C (25–30°C), around 201 mm of rain across the month. Near the annual average of 27°C.
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Thunderstorm
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