🇱🇰 Weather in Negombo
Map Overlays:
Hourly Forecast for Negombo
03:00
27°
39%
04:00
27°
35%
05:00
27°
34%
06:00
27°
37%
07:00
27°
25%
08:00
27°
26%
09:00
27°
15%
10:00
27°
31%
11:00
27°
21%
12:00
27°
23%
13:00
27°
23%
14:00
27°
23%
15:00
27°
23%
16:00
27°
24%
17:00
27°
20%
18:00
27°
22%
19:00
27°
26%
20:00
27°
57%
21:00
27°
24%
22:00
27°
32%
23:00
27°
32%
00:00
27°
26%
01:00
27°
32%
02:00
27°
24%
14-Day Forecast for Negombo
2026-08-24
Patchy rain nearby
27° /
27°
2026-08-25
Patchy rain nearby
27° /
27°
2026-08-26
Overcast
28° /
27°
2026-08-27
Patchy rain nearby
27° /
27°
2026-08-28
Thundery outbreaks in nearby
27° /
27°
2026-08-29
Patchy rain nearby
28° /
27°
2026-08-30
Patchy rain nearby
27° /
27°
Additional Forecasts for Negombo
Air Quality
💨 US EPA Index 1 (Good)
CO (Carbon Monoxide) 86.0 μg/m³
O₃ (Ozone) 28.0 μg/m³
NO₂ (Nitrogen Dioxide) 6.1 μg/m³
SO₂ (Sulphur Dioxide) 4.0 μg/m³
PM2.5 (Fine particles) 6.3 μg/m³
PM10 (Coarse particles) 10.0 μg/m³
Historical Weather
Weather Forecasts for Other Cities in Sri Lanka
Weather in Negombo — FAQ
Answers refreshed each request based on current conditions in Negombo.
What is the weather like right now in Negombo?
Right now in Negombo, Sri Lanka the temperature is 27.0°C (feels like 30.1°C), with light rain shower. Relative humidity is 83% and wind is 31.7 km/h.
What is today's high and low temperature in Negombo?
Today's forecast high in Negombo is 27.4°C and the overnight low is 27.0°C. The diurnal range — high minus low — depends on cloud cover; clear days swing more than overcast ones.
Will it rain in Negombo today?
The chance of precipitation in Negombo today is 78%. Forecast accuracy is highest within the next 6 hours and decreases steadily out to 14 days.
How often does the weather here update?
Current observations refresh every 15-60 minutes from the nearest monitoring stations operated by national meteorological agencies. The hourly forecast updates approximately every hour; the 7- and 14-day outlook is recomputed several times per day.
What does 'feels like' temperature mean?
Feels-like (apparent) temperature accounts for humidity, wind chill and direct sunshine — variables that change how the human body perceives heat or cold. On hot, humid days it can be 3-7°C above the actual reading; on cold windy days it can be 5-15°C below.
Why does the temperature in Negombo differ from nearby cities?
Even short distances can change temperatures noticeably. Negombo's reading reflects altitude, proximity to large bodies of water, urban heat island effects, and the exact location of the monitoring stations supplying the data. Coastal cities are typically milder and more humid than inland equivalents.