Vientiane weather live forecast

Today's maximum temperature in Vientiane is expected to be 28°C. Select a day from the live weather forecast for Vientiane, Laos for more weather parameters.

Tuesday
4th Aug
28

25

2

9
Wednesday
5th Aug
29

25

0

7
Thursday
6th Aug
29

25

1

5
Friday
7th Aug
29

25

5

3
Saturday
8th Aug
29

25

4

4

5-day weather forecast updated at 04:00 on Tuesday 4th August 2026 GMT

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The 5-day weather forecast for Laos (Vientiane) is provided by the Swiss meteorological agency, meteoblue. Find out more about our data sources.

Vientiane weather forecast by day

Below are the detailed weather forecasts for Vientiane for the next 5 days.

Vientiane weather for Tuesday 4th August 2026

Expect isolated thunderstorms in Vientiane, Laos with a maximum temperature of 28°C, moderate levels of heat & humidity, maximum UV of 9 (Very High) and 2 hours of bright sunshine. There are 20-30 mm of rainfall expected with 78% chance of some rain and a light breeze of 7 kph from the south-west.

28
°C maximum temperature
25
°C minimum temperature
isolated thunderstorms
2
hours of sunshine
9
UV index (Very High)
78
% chance of some rain
<30
mm of rainfall expected
L
low heat & humidity
7
kph wind from SW

Vientiane weather for Wednesday 5th August 2026

Expect isolated thunderstorms in Vientiane, Laos with a maximum temperature of 29°C, moderate levels of heat & humidity, maximum UV of 7 (High) and no hours of bright sunshine. There are 10-20 mm of rainfall expected with 81% chance of some rain and little or no wind of 6 kph from the south-west.

29
°C maximum temperature
25
°C minimum temperature
isolated thunderstorms
0
hours of sunshine
7
UV index (High)
81
% chance of some rain
<20
mm of rainfall expected
M
moderate heat & humidity
6
kph wind from SW

Vientiane weather for Thursday 6th August 2026

Expect isolated thunderstorms in Vientiane, Laos with a maximum temperature of 29°C, moderate levels of heat & humidity, maximum UV of 5 (Moderate) and 1 hour of bright sunshine. There are 20-30 mm of rainfall expected with 82% chance of some rain and little or no wind of 6 kph from the west.

29
°C maximum temperature
25
°C minimum temperature
isolated thunderstorms
1
hour of sunshine
5
UV index (Moderate)
82
% chance of some rain
<30
mm of rainfall expected
M
moderate heat & humidity
6
kph wind from W

Vientiane weather for Friday 7th August 2026

Expect isolated thunderstorms in Vientiane, Laos with a maximum temperature of 29°C, moderate levels of heat & humidity, maximum UV of 3 (Moderate) and 5 hours of bright sunshine. There are 10-20 mm of rainfall expected with 80% chance of some rain and little or no wind of 6 kph from the south-west.

29
°C maximum temperature
25
°C minimum temperature
isolated thunderstorms
5
hours of sunshine
3
UV index (Moderate)
80
% chance of some rain
<20
mm of rainfall expected
M
moderate heat & humidity
6
kph wind from SW

Vientiane weather for Saturday 8th August 2026

Expect isolated thunderstorms in Vientiane, Laos with a maximum temperature of 29°C, moderate levels of heat & humidity, maximum UV of 4 (Moderate) and 4 hours of bright sunshine. There are 10-20 mm of rainfall expected with 92% chance of some rain and a light breeze of 7 kph from the west.