17.07
fri
fri
Day
82°F
NE 14 mph
Precip.
28%
28%
Night
79°F
NE 13 mph
Precip.
32%
32%
18.07
sat
sat
Day
82°F
NE 14 mph
Precip.
8%
8%
Night
81°F
NE 15 mph
Precip.
37%
37%
19.07
sun
sun
Day
82°F
NE 15 mph
Precip.
40%
40%
Night
79°F
NE 12 mph
Precip.
42%
42%
20.07
mon
mon
Day
82°F
NE 12 mph
Precip.
26%
26%
Night
79°F
NE 11 mph
Precip.
25%
25%
21.07
tue
tue
Day
84°F
NE 11 mph
Precip.
17%
17%
Night
81°F
NE 11 mph
Precip.
32%
32%
22.07
wed
wed
Day
84°F
NE 12 mph
Precip.
12%
12%
Night
79°F
NE 12 mph
Precip.
31%
31%
23.07
thu
thu
Day
82°F
NE 14 mph
Precip.
27%
27%
Night
79°F
NE 12 mph
Precip.
29%
29%
24.07
fri
fri
Day
82°F
NE 13 mph
Precip.
16%
16%
Night
79°F
NE 13 mph
Precip.
34%
34%
25.07
sat
sat
Day
84°F
NE 12 mph
Precip.
16%
16%
Night
79°F
NE 14 mph
Precip.
37%
37%
26.07
sun
sun
Day
82°F
NE 13 mph
Precip.
11%
11%
Night
79°F
NE 11 mph
Precip.
32%
32%
27.07
mon
mon
Day
82°F
NE 14 mph
Precip.
29%
29%
Night
79°F
NE 12 mph
Precip.
57%
57%
28.07
tue
tue
Day
82°F
NE 14 mph
Precip.
29%
29%
Night
79°F
NE 14 mph
Precip.
54%
54%
29.07
wed
wed
Day
82°F
NE 14 mph
Precip.
51%
51%
Night
79°F
NE 14 mph
Precip.
39%
39%
30.07
thu
thu
Day
82°F
NE 15 mph
Precip.
23%
23%
Night
81°F
NE 14 mph
Precip.
30%
30%
Sea water temperature in July, °F
Show year:
2026
2025
2024
The average sea water temperature in July of 2026 was 83.4°F. The highest and lowest sea temperatures during the month were 84.4°F and 82.6°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: 15:50
July 17, friday
1800
81°F
NE
12 mph
12 mph
2100
81°F
NE
12 mph
12 mph
July 18, saturday
0000
79°F
NE
13 mph
13 mph
0300
79°F
NE
14 mph
14 mph
0600
79°F
NE
13 mph
13 mph
0900
82°F
NE
13 mph
13 mph
1200
82°F
NE
14 mph
14 mph
1500
82°F
NE
13 mph
13 mph
