Sun
Apr 28
Slightly unstable
~4
l/m2
43%
Mon
Apr 29
Slightly unstable
~8
l/m2
57%
Tue
Apr 30
Slightly unstable
~5
l/m2
54%
Wed
May 1
Slightly unstable
~1
l/m2
20%
Thu
May 2
Slightly unstable
~0.4
l/m2
13%
Fri
May 3
Slightly unstable
~0.2
l/m2
8%
Sat
May 4
Slightly unstable
28 Apr will be very warm (caution) and the weather will be unstable, thunderstorms likely.
There is a 43% probability of light rainfall and showers.
The sky will be overcast:
97% high clouds (above 6,000 meters: Cirrus, Cirrus uncinus, Cirrostratus, Cirrocumulus)
44% low clouds (below 2,000 meters: Cumulus, Stratocumulus, Stratus, Fractostratus)
28% convective clouds (Cumulonimbus)
The highest temperature will reach 34 degrees Celsius, while the the lowest temperature will drop to 24 degrees Celsius. The wind will be a light breeze, and the mean air pressure will be 1009 mb. Relative humidity will be high.
Sunday
Weather
Precipitation mm probability
Showers (% of Precipitation)
Temperature °C
Felt temperature °C
Temperature low | high °C
Wind speed
Wind gusts
Atmospheric pressure
Relative humidity
Isotherm 0°C
Boundary Layer
Heat index
14:00
0.4 35%
100%
34 °C
37 °C
6 km/h 
10 km/h
1006 mb
46.3%
5,372 m
1,662 m
2/4
Apr, 28 14:00 @ Slightly unstable
17:00
1.4 43%
100%
28 °C
30 °C
5 km/h 
11 km/h
1007 mb
72.5%
5,504 m
148 m
2/4
Apr, 28 17:00 @ Slightly unstable
20:00
0.7 35%
100%
25 °C
27 °C
2 km/h
3 km/h
1011 mb
89.5%
5,586 m
21 m
Apr, 28 20:00 @ Slightly unstable
23:00
0.9 35%
100%
24 °C
26 °C
4 km/h 
4 km/h
1012 mb
92.0%
5,467 m
28 m
Apr, 28 23:00 @ Slightly unstable
29 Apr will be very warm (caution) and the weather will be unstable, thunderstorms likely.
There is a 57% probability of moderate rainfall and showers.
The sky will be overcast:
96% high clouds (above 6,000 meters: Cirrus, Cirrus uncinus, Cirrostratus, Cirrocumulus)
23% low clouds (below 2,000 meters: Cumulus, Stratocumulus, Stratus, Fractostratus)
13% convective clouds (Cumulonimbus)
The highest temperature will reach 33 degrees Celsius, while the the lowest temperature will drop to 23 degrees Celsius. The wind will be a light breeze, and the mean air pressure will be 1010 mb. Relative humidity will be very high.
Monday
Weather
Precipitation mm probability
Showers (% of Precipitation)
Temperature °C
Felt temperature °C
Temperature low | high °C
Wind speed
Wind gusts
Atmospheric pressure
Relative humidity
Isotherm 0°C
Boundary Layer
Heat index
02:00
24 °C
26 °C
3 km/h
3 km/h
1010 mb
92.7%
5,325 m
14 m
Apr, 29 02:00 @ Slightly unstable
05:00
23 °C
25 °C
4 km/h 
4 km/h
1011 mb
93.2%
5,266 m
12 m
Apr, 29 05:00 @ Slightly unstable
08:00
28 °C
30 °C
2 km/h 
4 km/h
1012 mb
71.9%
5,227 m
520 m
1/4
Apr, 29 08:00 @ Slightly unstable
11:00
33 °C
36 °C
8 km/h
11 km/h
1011 mb
49.6%
5,214 m
1,801 m
2/4
Apr, 29 11:00 @ Slightly unstable
14:00
1.3 48%
100%
31 °C
33 °C
4 km/h
6 km/h
1008 mb
58.2%
5,225 m
948 m
2/4
Apr, 29 14:00 @ Slightly unstable
17:00
4.3 57%
100%
27 °C
29 °C
5 km/h
11 km/h
1009 mb
84.3%
5,278 m
170 m
Apr, 29 17:00 @ Slightly unstable
20:00
1.2 28%
100%
24 °C
26 °C
2 km/h
3 km/h
1011 mb
92.8%
5,374 m
13 m
Apr, 29 20:00 @ Slightly unstable
23:00
1.2 28%
100%
23 °C
25 °C
3 km/h
3 km/h
1011 mb
93.7%
5,294 m
12 m
Apr, 29 23:00 @ Slightly unstable
30 Apr will be very warm (caution) and the weather will be unstable, thunderstorms likely.
There is a 54% probability of moderate rainfall and showers.
The sky will be overcast:
99% high clouds (above 6,000 meters: Cirrus, Cirrus uncinus, Cirrostratus, Cirrocumulus)
22% low clouds (below 2,000 meters: Cumulus, Stratocumulus, Stratus, Fractostratus)
9% convective clouds (Cumulonimbus)
The highest temperature will reach 33 degrees Celsius, while the the lowest temperature will drop to 22 degrees Celsius. The wind will be a light breeze, and the mean air pressure will be 1009 mb. Relative humidity will be very high.
Tuesday
Weather
Precipitation mm probability
Showers (% of Precipitation)
Temperature °C
Felt temperature °C
Temperature low | high °C
Wind speed
Wind gusts
Atmospheric pressure
Relative humidity
Isotherm 0°C
Boundary Layer
Heat index
02:00
23 °C
25 °C
4 km/h
4 km/h
1009 mb
94.4%
5,171 m
18 m
Apr, 30 02:00 @ Slightly unstable
05:00
23 °C
24 °C
4 km/h
4 km/h
1011 mb
94.1%
5,083 m
13 m
Apr, 30 05:00 @ Slightly unstable
08:00
27 °C
29 °C
3 km/h
4 km/h
1012 mb
75.3%
5,066 m
406 m
1/4
Apr, 30 08:00 @ Slightly unstable
11:00
32 °C
35 °C
7 km/h
7 km/h
1011 mb
51.2%
5,112 m
1,618 m
2/4
Apr, 30 11:00 @ Unstable
14:00
1.1 36%
100%
31 °C
33 °C
4 km/h
6 km/h
1008 mb
58.7%
5,124 m
870 m
2/4
Apr, 30 14:00 @ Slightly unstable
17:00
2.7 54%
100%
27 °C
29 °C
4 km/h
10 km/h
1008 mb
81.9%
5,266 m
166 m
1/4
Apr, 30 17:00 @ Unstable
20:00
0.4 28%
100%
24 °C
26 °C
4 km/h
6 km/h
1010 mb
92.2%
5,311 m
47 m
Apr, 30 20:00 @ Slightly unstable
23:00
0.4 21%
100%
24 °C
25 °C
4 km/h
4 km/h
1010 mb
94.4%
5,258 m
21 m
Apr, 30 23:00 @ Slightly unstable
1 May will be very warm (caution) and the weather will be unstable, thunderstorms likely.
There is a 20% probability of light rainfall and showers.
The sky will be cloudy:
51% high clouds (above 6,000 meters: Cirrus, Cirrus uncinus, Cirrostratus, Cirrocumulus)
9% low clouds (below 2,000 meters: Cumulus, Stratocumulus, Stratus, Fractostratus)
4% convective clouds (Cumulonimbus)
The highest temperature will reach 35 degrees Celsius, while the the lowest temperature will drop to 22 degrees Celsius. The wind will be a gentle breeze, and the mean air pressure will be 1008 mb. Relative humidity will be high.
Wednesday
Weather
Precipitation mm probability
Showers (% of Precipitation)
Temperature °C
Felt temperature °C
Temperature low | high °C
Wind speed
Wind gusts
Atmospheric pressure
Relative humidity
Isotherm 0°C
Boundary Layer
Heat index
02:00
23 °C
25 °C
5 km/h 
5 km/h
1008 mb
93.7%
5,206 m
22 m
May, 1 02:00 @ Slightly unstable
05:00
22 °C
24 °C
5 km/h
5 km/h
1008 mb
93.9%
5,295 m
23 m
May, 1 05:00 @ Slightly unstable
08:00
28 °C
30 °C
5 km/h
7 km/h
1010 mb
73.1%
5,336 m
523 m
1/4
May, 1 08:00 @ Slightly unstable
11:00
33 °C
36 °C
9 km/h
10 km/h
1009 mb
48.9%
5,400 m
1,722 m
2/4
May, 1 11:00 @ Slightly unstable
14:00
35 °C
39 °C
13 km/h
13 km/h
1005 mb
40.9%
5,442 m
2,166 m
2/4
May, 1 14:00 @ Slightly unstable
17:00
0.6 20%
100%
29 °C
31 °C
8 km/h
16 km/h
1006 mb
69.5%
5,450 m
425 m
2/4
May, 1 17:00 @ Unstable
20:00
25 °C
27 °C
5 km/h
8 km/h
1009 mb
89.4%
5,319 m
67 m
May, 1 20:00 @ Unstable
23:00
24 °C
26 °C
5 km/h
7 km/h
1010 mb
93.2%
5,242 m
54 m
May, 1 23:00 @ Slightly unstable
2 May will be very warm (caution) and the weather will be unstable, thunderstorms likely.
There is a 13% probability of light rainfall and showers.
The sky will be mostly cloudy:
85% high clouds (above 6,000 meters: Cirrus, Cirrus uncinus, Cirrostratus, Cirrocumulus)
8% low clouds (below 2,000 meters: Cumulus, Stratocumulus, Stratus, Fractostratus)
1% convective clouds (Cumulonimbus)
The highest temperature will reach 34 degrees Celsius, while the the lowest temperature will drop to 22 degrees Celsius. The wind will be a gentle breeze, and the mean air pressure will be 1008 mb. Relative humidity will be high.
Thursday
Weather
Precipitation mm probability
Showers (% of Precipitation)
Temperature °C
Felt temperature °C
Temperature low | high °C
Wind speed
Wind gusts
Atmospheric pressure
Relative humidity
Isotherm 0°C
Boundary Layer
Heat index
02:00
23 °C
25 °C
5 km/h
6 km/h
1007 mb
94.2%
5,313 m
40 m
May, 2 02:00 @ Slightly unstable
05:00
23 °C
24 °C
6 km/h
8 km/h
1008 mb
94.0%
5,382 m
49 m
May, 2 05:00 @ Slightly unstable
08:00
28 °C
31 °C
6 km/h
10 km/h
1010 mb
68.0%
5,461 m
661 m
1/4
May, 2 08:00 @ Slightly unstable
11:00
34 °C
37 °C
10 km/h
11 km/h
1008 mb
44.8%
5,474 m
1,814 m
2/4
May, 2 11:00 @ Slightly unstable
14:00
33 °C
37 °C
17 km/h
23 km/h
1006 mb
47.6%
5,523 m
1,534 m
2/4
May, 2 14:00 @ Slightly unstable
17:00
0.3 13%
100%
29 °C
31 °C
11 km/h
19 km/h
1007 mb
68.3%
5,567 m
772 m
2/4
May, 2 17:00 @ Slightly unstable
20:00
25 °C
27 °C
6 km/h
11 km/h
1010 mb
85.5%
5,511 m
170 m
May, 2 20:00 @ Slightly unstable
23:00
24 °C
26 °C
6 km/h
10 km/h
1010 mb
90.2%
5,386 m
83 m
May, 2 23:00 @ Slightly unstable
3 May will be hot (potential danger) and the weather will be unstable, thunderstorms likely.
There is a 8% probability of light rainfall and showers.
The sky will be mostly cloudy:
76% high clouds (above 6,000 meters: Cirrus, Cirrus uncinus, Cirrostratus, Cirrocumulus)
6% low clouds (below 2,000 meters: Cumulus, Stratocumulus, Stratus, Fractostratus)
2% convective clouds (Cumulonimbus)
The highest temperature will reach 36 degrees Celsius, while the the lowest temperature will drop to 22 degrees Celsius. The wind will be a gentle breeze, and the mean air pressure will be 1009 mb. Relative humidity will be high.
Friday
Weather
Precipitation mm probability
Showers (% of Precipitation)
Temperature °C
Felt temperature °C
Temperature low | high °C
Wind speed
Wind gusts
Atmospheric pressure
Relative humidity
Isotherm 0°C
Boundary Layer
Heat index
02:00
23 °C
24 °C
5 km/h
9 km/h
1008 mb
92.0%
5,450 m
62 m
May, 3 02:00 @ Slightly unstable
05:00
23 °C
24 °C
6 km/h
7 km/h
1009 mb
91.0%
5,451 m
50 m
May, 3 05:00 @ Slightly unstable
08:00
28 °C
31 °C
6 km/h
11 km/h
1011 mb
66.4%
5,519 m
686 m
1/4
May, 3 08:00 @ Slightly unstable
11:00
34 °C
37 °C
10 km/h
11 km/h
1010 mb
45.0%
5,483 m
1,766 m
2/4
May, 3 11:00 @ Slightly unstable
14:00
35 °C
39 °C
14 km/h
17 km/h
1006 mb
37.9%
5,537 m
2,252 m
May, 3 14:00 @ Slightly unstable
17:00
0.2 8%
100%
29 °C
31 °C
11 km/h
23 km/h
1008 mb
64.6%
5,518 m
602 m
2/4
May, 3 17:00 @ Slightly unstable
20:00
25 °C
27 °C
5 km/h
11 km/h
1011 mb
87.2%
5,456 m
169 m
May, 3 20:00 @ Slightly unstable
23:00
24 °C
26 °C
6 km/h
10 km/h
1011 mb
91.8%
5,380 m
99 m
May, 3 23:00 @ Slightly unstable
4 May will be hot (potential danger) and the weather will be unstable, thunderstorms likely.
The sky will be mostly cloudy:
89% high clouds (above 6,000 meters: Cirrus, Cirrus uncinus, Cirrostratus, Cirrocumulus)
5% low clouds (below 2,000 meters: Cumulus, Stratocumulus, Stratus, Fractostratus)
1% convective clouds (Cumulonimbus)
The highest temperature will reach 36 degrees Celsius, while the the lowest temperature will drop to 22 degrees Celsius. The wind will be a gentle breeze, and the mean air pressure will be 1009 mb. Relative humidity will be high.
Saturday
Weather
Temperature °C
Felt temperature °C
Temperature low | high °C
Wind speed
Wind gusts
Atmospheric pressure
Relative humidity
Isotherm 0°C
Boundary Layer
Heat index
02:00
23 °C
25 °C
5 km/h
10 km/h
1009 mb
92.9%
5,318 m
71 m
May, 4 02:00 @ Slightly unstable
05:00
23 °C
24 °C
6 km/h
11 km/h
1010 mb
91.2%
5,255 m
74 m
May, 4 05:00 @ Slightly unstable
08:00
28 °C
30 °C
8 km/h
14 km/h
1012 mb
68.0%
5,206 m
769 m
1/4
May, 4 08:00 @ Slightly unstable
11:00
33 °C
37 °C
11 km/h
12 km/h
1010 mb
44.0%
5,230 m
1,611 m
2/4
May, 4 11:00 @ Slightly unstable
14:00
35 °C
39 °C
12 km/h
12 km/h
1007 mb
36.0%
5,222 m
2,235 m
May, 4 14:00 @ Slightly unstable
17:00
30 °C
33 °C
12 km/h
18 km/h
1008 mb
59.0%
5,255 m
832 m
2/4
May, 4 17:00 @ Unstable
20:00
25 °C
27 °C
5 km/h
9 km/h
1011 mb
84.4%
5,199 m
109 m
May, 4 20:00 @ Unstable
23:00
24 °C
26 °C
5 km/h
7 km/h
1011 mb
90.7%
5,207 m
57 m
May, 4 23:00 @ Unstable
5 May will be very warm (caution) and the weather will be .
There is a 13% probability of light rainfall and showers.
The sky will be :
668% high clouds (above 6,000 meters: Cirrus, Cirrus uncinus, Cirrostratus, Cirrocumulus)
100% low clouds (below 2,000 meters: Cumulus, Stratocumulus, Stratus, Fractostratus)
19% convective clouds (Cumulonimbus)
The highest temperature will reach 35 degrees Celsius, while the the lowest temperature will drop to 22 degrees Celsius. The wind will be a gentle breeze, fog will form, and the mean air pressure will be 7057 mb. Relative humidity will be .
Sunday
Weather
Precipitation mm probability
Showers (% of Precipitation)
Temperature °C
Felt temperature °C
Temperature low | high °C
Wind speed
Wind gusts
Atmospheric pressure
Relative humidity
Isotherm 0°C
Boundary Layer
Heat index
02:00
23 °C
25 °C
5 km/h
9 km/h
1009 mb
93.9%
5,251 m
86 m
May, 5 02:00 @ Slightly unstable
05:00
23 °C
24 °C
6 km/h
10 km/h
1009 mb
94.0%
5,364 m
82 m
May, 5 05:00 @ Slightly unstable
08:00
28 °C
30 °C
8 km/h
13 km/h
1011 mb
66.8%
5,206 m
746 m
1/4
May, 5 08:00 @ Slightly unstable
11:00
33 °C
36 °C
11 km/h
11 km/h
1009 mb
44.2%
5,211 m
1,652 m
2/4
May, 5 11:00 @ Slightly unstable
14:00
35 °C
38 °C
12 km/h
14 km/h
1006 mb
37.6%
5,359 m
2,238 m
May, 5 14:00 @ Slightly unstable
17:00
29 °C
32 °C
11 km/h
20 km/h
1007 mb
64.4%
5,421 m
805 m
2/4
May, 5 17:00 @ Slightly unstable
20:00
0.2 13%
100%
25 °C
27 °C
6 km/h
16 km/h
1010 mb
86.5%
5,325 m
286 m
May, 5 20:00 @ Slightly unstable
Ullandupitiya
19:39 
