World Resorts Sri Lanka Negombo Weather

Negombo 14 Days Forecast

17.09
thu
Day
81°F
NE 16 mph
Precip.
40%
Night
81°F
NE 17 mph
Precip.
43%
18.09
fri
Day
81°F
NE 14 mph
Precip.
54%
Night
82°F
NE 17 mph
Precip.
50%
19.09
sat
Day
82°F
NE 16 mph
Precip.
27%
Night
81°F
NE 17 mph
Precip.
77%
20.09
sun
Day
81°F
NE 17 mph
Precip.
76%
Night
81°F
NE 17 mph
Precip.
71%
21.09
mon
Day
81°F
NE 19 mph
Precip.
49%
Night
81°F
NE 19 mph
Precip.
61%
22.09
tue
Day
81°F
NE 19 mph
Precip.
46%
Night
82°F
NE 19 mph
Precip.
36%
23.09
wed
Day
82°F
NE 19 mph
Precip.
42%
Night
82°F
NE 21 mph
Precip.
35%
24.09
thu
Day
82°F
NE 21 mph
Precip.
65%
Night
82°F
NE 22 mph
Precip.
43%
25.09
fri
Day
81°F
NE 22 mph
Precip.
53%
Night
82°F
NE 20 mph
Precip.
37%
26.09
sat
Day
82°F
NE 18 mph
Precip.
34%
Night
82°F
NE 19 mph
Precip.
36%
27.09
sun
Day
81°F
NE 16 mph
Precip.
24%
Night
82°F
NE 14 mph
Precip.
23%
28.09
mon
Day
82°F
NE 13 mph
Precip.
17%
Night
82°F
N 11 mph
Precip.
28%
29.09
tue
Day
81°F
NE 12 mph
Precip.
16%
Night
81°F
NE 11 mph
Precip.
37%
30.09
wed
Day
81°F
NE 12 mph
Precip.
10%
Night
82°F
NE 11 mph
Precip.
22%

Sea water temperature in September, °F

Show year:
2026
2025
2024

The average sea water temperature in September of 2026 was 84.3°F. The highest and lowest sea temperatures during the month were 85.5°F and 83.1°F.

Sea water temperature in October, °F

Show year:
2025
2024
2023

The average sea water temperature in October of 2025 was 83.8°F. The highest and lowest sea temperatures during the month were 84.9°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

Sunniest months:
January 18 days
February 18 days
March 16 days
Warmest months:
April 89.6 °F
March 89.5 °F
February 88.6 °F
Warmest sea temp:
April 86.5 °F
May 85.5 °F
March 84.9 °F
Coldest months:
August 84.7 °F
September 85.0 °F
July 85.0 °F
Rainiest months:
June 15 days
October 14 days
May 14 days
Windiest months:
June 13.1 mph
July 12.6 mph
August 12.5 mph

Negombo on a weather map

Current weather
13:05
Negombo
+81°F
NE 16 mph
Feels like: +88°F
Precip.: 40%
Places in Sri Lanka:
Name
°F
Ahungalla
+81°F
Bentota
+81°F
Weligama
+79°F
Halle
+82°F
Kalutara
+81°F
Colombo
+81°F
Marawila
+81°F
Marissa
+77°F
Negombo
+81°F
Pasikuda
+84°F
Tangalle
+77°F
Trincomalee
+91°F
Unawatuna
+82°F
Hambantota
+81°F
Hikkaduwa
+82°F
all places
24 Hours Forecast
Negombo
Local time: 13:05
September 17, thursday
1500
81°F
NE
16 mph
1800
81°F
NE
19 mph
2100
81°F
NE
19 mph
September 18, friday
0000
81°F
NE
17 mph
0300
81°F
NE
16 mph
0600
81°F
NE
14 mph
0900
81°F
NE
14 mph
1200
81°F
NE
14 mph
Units of measurement: °C / °F