🇱🇦 Weather in Vientiane
Map Overlays:
Hourly Forecast for Vientiane
05:00
24°
20%
06:00
24°
20%
07:00
25°
25%
08:00
26°
42%
09:00
26°
58%
10:00
28°
21%
11:00
30°
24%
12:00
30°
25%
13:00
30°
47%
14:00
31°
37%
15:00
31°
57%
16:00
30°
45%
17:00
29°
60%
18:00
28°
70%
19:00
26°
71%
20:00
25°
67%
21:00
25°
62%
22:00
25°
54%
23:00
25°
38%
00:00
25°
36%
01:00
25°
37%
02:00
24°
29%
03:00
24°
23%
04:00
24°
26%
14-Day Forecast for Vientiane
2026-07-13
Light rain shower
31° /
24°
2026-07-14
Patchy rain nearby
30° /
24°
2026-07-15
Partly Cloudy
30° /
24°
2026-07-16
Partly Cloudy
28° /
24°
2026-07-17
Partly Cloudy
31° /
24°
2026-07-18
Partly Cloudy
27° /
23°
2026-07-19
Cloudy
28° /
24°
Additional Forecasts for Vientiane
Air Quality
💨 US EPA Index 1 (Good)
CO (Carbon Monoxide) 171.0 μg/m³
O₃ (Ozone) 38.0 μg/m³
NO₂ (Nitrogen Dioxide) 8.0 μg/m³
SO₂ (Sulphur Dioxide) 5.6 μg/m³
PM2.5 (Fine particles) 7.0 μg/m³
PM10 (Coarse particles) 7.2 μg/m³
Historical Weather
Weather Forecasts for Other Cities in Laos
Weather in Vientiane — FAQ
Answers refreshed each request based on current conditions in Vientiane.
What is the weather like right now in Vientiane?
Right now in Vientiane, Laos the temperature is 24.4°C (feels like 20.3°C), with overcast. Relative humidity is 92% and wind is 3.6 km/h.
What is today's high and low temperature in Vientiane?
Today's forecast high in Vientiane is 30.9°C and the overnight low is 24.2°C. The diurnal range — high minus low — depends on cloud cover; clear days swing more than overcast ones.
Will it rain in Vientiane today?
The chance of precipitation in Vientiane today is 85%. 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 Vientiane differ from nearby cities?
Even short distances can change temperatures noticeably. Vientiane'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.