18.03
wed
wed
Day
84°F
E 9 mph
Precip.
71%
71%
Night
79°F
W 2 mph
Precip.
100%
100%
19.03
thu
thu
Day
84°F
E 9 mph
Precip.
84%
84%
Night
79°F
NW 3 mph
Precip.
0%
0%
20.03
fri
fri
Day
84°F
E 9 mph
Precip.
0%
0%
Night
79°F
NW 4 mph
Precip.
80%
80%
21.03
sat
sat
Day
86°F
E 9 mph
Precip.
0%
0%
Night
81°F
N 1 mph
Precip.
0%
0%
22.03
sun
sun
Day
86°F
SE 10 mph
Precip.
0%
0%
Night
81°F
N 3 mph
Precip.
24%
24%
23.03
mon
mon
Day
86°F
E 9 mph
Precip.
45%
45%
Night
81°F
N 1 mph
Precip.
65%
65%
24.03
tue
tue
Day
86°F
E 9 mph
Precip.
0%
0%
Night
81°F
N 5 mph
Precip.
100%
100%
25.03
wed
wed
Day
86°F
NE 9 mph
Precip.
70%
70%
Night
81°F
N 6 mph
Precip.
0%
0%
26.03
thu
thu
Day
86°F
E 9 mph
Precip.
26%
26%
Night
81°F
N 7 mph
Precip.
21%
21%
27.03
fri
fri
Day
86°F
E 9 mph
Precip.
0%
0%
Night
81°F
N 6 mph
Precip.
100%
100%
28.03
sat
sat
Day
86°F
NE 9 mph
Precip.
0%
0%
Night
81°F
N 8 mph
Precip.
26%
26%
29.03
sun
sun
Day
86°F
NE 10 mph
Precip.
0%
0%
Night
81°F
N 9 mph
Precip.
0%
0%
30.03
mon
mon
Day
86°F
E 9 mph
Precip.
0%
0%
Night
82°F
NE 9 mph
Precip.
29%
29%
Sea water temperature in March, °F
Show year:
2026
2025
2024
The average sea water temperature in March of 2026 was 84.1°F. The highest and lowest sea temperatures during the month were 85.3°F and 82.9°F.
Air temperature in Negombo, °F
Precipitation total in Negombo, in.
* Charts above show average data for the last 3 years.
Best time for vacation in Negombo
Negombo on a weather map
Places in Sri Lanka:
Name
°F
24 Hours Forecast
Negombo
Local time: 00:21
March 18, wednesday
0300
77°F
NW
4 mph
4 mph
0600
77°F
W
4 mph
4 mph
0900
82°F
W
1 mph
1 mph
1200
84°F
E
9 mph
9 mph
1500
84°F
E
12 mph
12 mph
1800
81°F
NE
6 mph
6 mph
2100
79°F
W
2 mph
2 mph
March 19, thursday
0000
79°F
W
2 mph
2 mph
