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Weather Forecast for Vientiane

Vientiane, Lao People's Democratic Republic

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Sunny

Current Weather - Vientiane: 27°C

Vientiane, Lao People's Democratic Republic

Sunny

Feels like 29°C

Wind

5 km/h E

Humidity

79%

Pressure

1017 mb

UV Index

7

Visibility

8 km
Patchy rain nearby

Patchy rain nearby

Wednesday, December 17, 2025

High

29°C

Low

19°C

Rain Chance

91%

Hourly Forecast

Clear 19°C
05:00
Clear 19°C
06:00
Sunny 19°C
07:00
Sunny 21°C
08:00
Sunny 23°C
09:00
Sunny 25°C
10:00
Sunny 27°C
11:00
Sunny 28°C
12:00
Sunny 29°C
13:00
Sunny 29°C
14:00
Sunny 29°C
15:00
Sunny 29°C
16:00
Sunny 27°C
17:00
Clear 25°C
18:00
Patchy light drizzle 23°C
19:00
Patchy rain nearby 21°C
20:00
Partly Cloudy 21°C
21:00
Partly Cloudy 20°C
22:00
Partly Cloudy 20°C
23:00
Dec 18

Day Statistics

Maximum Wind

12 km/h

Humidity

70%

Precipitation

1 mm

UV Index

2

Visibility

10 km

Rain Chance

91%

Snow Chance

0%

Sun & Moon

Sunrise

06:34 AM

Sunset

05:38 PM

Moonrise

04:04 AM

Moonset

03:21 PM

Moon Phase

Waning Crescent

Moon Illumination

8%

Air Quality

PM2.5

11.4

μg/m³

PM10

11.5

μg/m³

NO₂

4.7

μg/m³

O₃

85.6

μg/m³

SO₂

9.2

μg/m³

CO

342.3

μg/m³

US EPA Index: 1 GB DEFRA Index: 1

Solar Radiation Data

Shortwave Radiation

422.9

Diffuse Radiation

77.66

DNI

0

GTI

77.83