🇱🇰 Weather in Dehiwala-Mount Lavinia
Map Overlays:
Hourly Forecast for Dehiwala-Mount Lavinia
12:00
29°
25%
13:00
29°
27%
14:00
29°
18%
15:00
28°
18%
16:00
28°
18%
17:00
28°
20%
18:00
27°
46%
19:00
27°
23%
20:00
27°
32%
21:00
27°
25%
22:00
27°
33%
23:00
27°
24%
00:00
26°
37%
01:00
26°
37%
02:00
26°
48%
03:00
26°
51%
04:00
26°
50%
05:00
26°
39%
06:00
26°
45%
07:00
27°
38%
08:00
28°
24%
09:00
28°
20%
10:00
28°
8%
11:00
29°
7%
14-Day Forecast for Dehiwala-Mount Lavinia
2026-07-09
Patchy rain nearby
29° /
26°
2026-07-10
Patchy rain nearby
29° /
26°
2026-07-11
Patchy rain nearby
29° /
26°
2026-07-12
Patchy rain nearby
29° /
26°
2026-07-13
Patchy rain nearby
28° /
26°
2026-07-14
Patchy rain nearby
28° /
26°
2026-07-15
Patchy rain nearby
28° /
26°
Additional Forecasts for Dehiwala-Mount Lavinia
Air Quality
💨 US EPA Index 1 (Good)
CO (Carbon Monoxide) 325.0 μg/m³
O₃ (Ozone) 59.0 μg/m³
NO₂ (Nitrogen Dioxide) 7.1 μg/m³
SO₂ (Sulphur Dioxide) 9.4 μg/m³
PM2.5 (Fine particles) 12.5 μg/m³
PM10 (Coarse particles) 20.4 μg/m³
Historical Weather
Weather Forecasts for Other Cities in Sri Lanka
Weather in Dehiwala-Mount Lavinia — FAQ
Answers refreshed each request based on current conditions in Dehiwala-Mount Lavinia.
What is the weather like right now in Dehiwala-Mount Lavinia?
Right now in Dehiwala-Mount Lavinia, Sri Lanka the temperature is 31.2°C (feels like 39.2°C), with partly cloudy. Relative humidity is 75% and wind is 18.0 km/h.
What is today's high and low temperature in Dehiwala-Mount Lavinia?
Today's forecast high in Dehiwala-Mount Lavinia is 29.0°C and the overnight low is 25.9°C. The diurnal range — high minus low — depends on cloud cover; clear days swing more than overcast ones.
Will it rain in Dehiwala-Mount Lavinia today?
The chance of precipitation in Dehiwala-Mount Lavinia today is 80%. 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 Dehiwala-Mount Lavinia differ from nearby cities?
Even short distances can change temperatures noticeably. Dehiwala-Mount Lavinia'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.




