Measurements:
°C
°F
CURRENT WEATHER
21:45
Negombo
84°F
NE 17 mph
Feels like: 94°F
Precip: 24%
World Resorts Sri Lanka Negombo Weather

14 Day Weather Forecast

09.11
fri
DAY
86°F
NE 15 mph
precip
20%
NIGHT
84°F
NE 19 mph
precip
68%
09.12
sat
DAY
86°F
NE 14 mph
precip
29%
NIGHT
86°F
NE 13 mph
precip
28%
09.13
sun
DAY
84°F
NE 14 mph
precip
73%
NIGHT
84°F
NE 17 mph
precip
45%
09.14
mon
DAY
84°F
E 17 mph
precip
25%
NIGHT
84°F
NE 14 mph
precip
81%
09.15
tue
DAY
84°F
E 16 mph
precip
43%
NIGHT
82°F
NE 21 mph
precip
46%
09.16
wed
DAY
84°F
NE 11 mph
precip
57%
NIGHT
84°F
NE 17 mph
precip
59%
09.17
thu
DAY
84°F
N 14 mph
precip
57%
NIGHT
86°F
NE 16 mph
precip
42%
09.18
fri
DAY
84°F
NE 17 mph
precip
60%
NIGHT
84°F
NE 20 mph
precip
47%
09.19
sat
DAY
84°F
NE 17 mph
precip
65%
NIGHT
86°F
NE 20 mph
precip
64%
09.20
sun
DAY
84°F
NE 19 mph
precip
73%
NIGHT
84°F
NE 25 mph
precip
71%
09.21
mon
DAY
84°F
NE 26 mph
precip
66%
NIGHT
84°F
NE 23 mph
precip
68%
09.22
tue
DAY
84°F
NE 20 mph
precip
72%
NIGHT
84°F
NE 21 mph
precip
65%
09.23
wed
DAY
86°F
NE 19 mph
precip
34%
NIGHT
86°F
NE 21 mph
precip
57%
09.24
thu
DAY
86°F
NE 20 mph
precip
47%
NIGHT
86°F
NE 21 mph
precip
52%

Negombo Sea Water Temperature in September, °F

Select Year: 2025 2024 2023

The average sea surface temperature in September 2025 for Negombo was 87.3°F. The maximum and minimum values were 85.8°F and 88.2°F respectively.

Negombo on the Weather Map

Best Time to Visit Negombo
The most sunny months:
January 18 days
February 18 days
March 16 days
The most warm months:
April 94.0 °F
March 93.9 °F
February 92.8 °F
Warmest sea temperature:
April 90.5 °F
May 89.4 °F
March 88.8 °F
The most cold months:
August 88.6 °F
September 88.9 °F
July 88.9 °F
The most rainy months:
June 15 days
October 14 days
May 14 days
The most windy months:
June 13 mph
July 12 mph
August 12 mph
more details
Sri Lanka Resorts:
NAME
F°
Ahungalla +82
Bentota +82
Colombo +84
Dikwella +80
Halle +84
Hambantota +86
Hikkaduwa +84
Kalutara +82
Marissa +80
Negombo +84
Pasikuda +90
Tangalle +80
Trincomalee +88
Unawatuna +84
Weligama +84
all resorts
24 Hours Weather Forecast
Negombo
Local time: 21:45
12 sep, saturday
0000 84°F
NE
19 mph
0300 84°F
NE
17 mph
0600 86°F
NE
14 mph
0900 86°F
NE
12 mph
1200 86°F
NE
14 mph
1500 86°F
NE
14 mph
1800 86°F
NE
13 mph
2100 86°F
NE
14 mph