Colombo, Sri Lanka 14-Day Forecast
Sri Lanka 🇱🇰
81°
Light rain shower right now
Today: high 82°, low 81°
Updated 6 min ago
Colombo weather for the next 14 days
Thursday, September 17
Light rain shower High 82° Low 80°Precipitation
86%
· 0.64 in
Max wind
19 mph
Humidity
82%
UV index
12 - Extreme
Sunrise / sunset
06:00 AM / 06:09 PM
Friday, September 18
Light rain shower High 82° Low 80°Precipitation
87%
· 0.42 in
Max wind
22 mph
Humidity
82%
UV index
9 - Very High
Sunrise / sunset
06:00 AM / 06:08 PM
Saturday, September 19
Light rain shower High 82° Low 81°Precipitation
88%
· 0.63 in
Max wind
18 mph
Humidity
83%
UV index
12 - Extreme
Sunrise / sunset
06:00 AM / 06:08 PM
Sunday, September 20
Light rain shower High 82° Low 81°Precipitation
88%
· 0.99 in
Max wind
20 mph
Humidity
85%
UV index
12 - Extreme
Sunrise / sunset
06:00 AM / 06:07 PM
Monday, September 21
Light rain shower High 82° Low 80°Precipitation
88%
· 1.32 in
Max wind
20 mph
Humidity
83%
UV index
6 - High
Sunrise / sunset
05:59 AM / 06:07 PM
Tuesday, September 22
Light rain shower High 82° Low 80°Precipitation
89%
· 1.41 in
Max wind
21 mph
Humidity
84%
UV index
6 - High
Sunrise / sunset
05:59 AM / 06:06 PM
Wednesday, September 23
Patchy rain nearby High 82° Low 81°Precipitation
86%
· 0.26 in
Max wind
20 mph
Humidity
85%
UV index
6 - High
Sunrise / sunset
05:59 AM / 06:06 PM
Thursday, September 24
Light rain shower High 82° Low 82°Precipitation
87%
· 0.28 in
Max wind
21 mph
Humidity
85%
UV index
6 - High
Sunrise / sunset
05:59 AM / 06:05 PM
Friday, September 25
Light rain shower High 82° Low 81°Precipitation
88%
· 0.35 in
Max wind
23 mph
Humidity
85%
UV index
6 - High
Sunrise / sunset
05:59 AM / 06:05 PM
Saturday, September 26
Light rain shower High 82° Low 81°Precipitation
85%
· 0.32 in
Max wind
20 mph
Humidity
82%
UV index
6 - High
Sunrise / sunset
05:59 AM / 06:04 PM
Sunday, September 27
Light rain shower High 82° Low 81°Precipitation
86%
· 0.35 in
Max wind
14 mph
Humidity
81%
UV index
6 - High
Sunrise / sunset
05:59 AM / 06:04 PM
Monday, September 28
Patchy rain nearby High 82° Low 81°Precipitation
86%
· 0.38 in
Max wind
13 mph
Humidity
81%
UV index
6 - High
Sunrise / sunset
05:58 AM / 06:03 PM
Tuesday, September 29
Light rain shower High 82° Low 81°Precipitation
78%
· 0.17 in
Max wind
11 mph
Humidity
79%
UV index
6 - High
Sunrise / sunset
05:58 AM / 06:02 PM
Colombo 14-day outlook: the story
The warmest day of Colombo's 14-day outlook is Thursday, September 24 with a high near 82°F (28°C); the coolest night comes Thursday, September 17, dipping to 80°F (27°C). Temperatures hold fairly steady from week to week. Highs over the next two weeks average 82°F (28°C), right in line with the typical September high of 83°F (28°C).
Precipitation is most likely on Wednesday 16, Thursday 17, Friday 18, Saturday 19 and beyond; the wettest day looks like Tuesday, September 22 with about 1.41 in (35.9 mm) expected. For the weekend, expect Saturday 82°F (28°C) and light rain shower / Sunday 82°F (28°C) and light rain shower.
For typical conditions month by month, see the Colombo climate & average temperatures guide.
Colombo forecast questions
Will it rain in Colombo this week?
The forecast currently shows meaningful precipitation chances on 14 of the next 14 days, peaking around Tuesday, September 22.
What will be the warmest day in Colombo over the next 14 days?
Thursday, September 24, with a forecast high near 82°F (28°C).
How accurate is a 14-day forecast for Colombo?
Days 1-3 are highly reliable, days 4-7 capture the overall pattern well, and days 8-14 indicate trends rather than exact figures - check back as the date approaches; this page refreshes throughout the day.
Average temperatures in Colombo by month
| Month | High | Low | Rain days | Precipitation | Sunshine | Humidity |
|---|---|---|---|---|---|---|
| January | 87° | 73° | 11 | 3.1 in | 10.5 h/day | 77% |
| February | 88° | 74° | 11 | 2.1 in | 11.1 h/day | 76% |
| March | 88° | 76° | 18 | 4.2 in | 10.9 h/day | 80% |
| April | 88° | 77° | 25 | 6.2 in | 10.4 h/day | 83% |
| May | 85° | 78° | 30 | 16.5 in | 8.4 h/day | 86% |
| June | 84° | 78° | 29 | 12.2 in | 9.5 h/day | 86% |
| July | 84° | 78° | 28 | 8.8 in | 9.8 h/day | 85% |
| August | 83° | 77° | 28 | 9.5 in | 9.7 h/day | 86% |
| September | 83° | 77° | 28 | 11.6 in | 8.8 h/day | 86% |
| October | 83° | 76° | 29 | 15.4 in | 8.2 h/day | 87% |
| November | 84° | 74° | 25 | 15.4 in | 7.7 h/day | 88% |
| December | 85° | 74° | 18 | 6.7 in | 9.2 h/day | 84% |
14-day forecasts nearby