Laos weather live forecast

Today's maximum temperature in Laos is expected to be 31°C. Select a day from the live weather forecast for Laos (Vientiane) for more weather parameters.

Thursday
18th Sep
31

25

4

9
Friday
19th Sep
31

25

4

9
Saturday
20th Sep
31

24

4

6
Sunday
21st Sep
31

25

4

6
Monday
22nd Sep
32

25

4

3

5-day weather forecast updated at 04:00 on Wednesday 17th September 2025 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.

Top Laos destinations

Below are temperatures expected today at popular countries, regions and places in Laos. Select a destination to see the detailed weather forecast for today, tomorrow and the outlook for the next five days.

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Laos weather forecast by day

Below are the detailed weather forecasts for Laos for the next 5 days. The forecasts shown are for Vientiane and may not represent the whole of Laos. Browse more destinations in Laos to view more weather forecasts.

Laos weather for Thursday 18th September 2025

Expect isolated thunderstorms in Laos with a maximum temperature of 31°C, moderate levels of heat & humidity, maximum UV of 9 (Very High) and 4 hours of bright sunshine. There are 5-10 mm of rainfall expected with 63% chance of some rain and little or no wind of 5 kph from the south-east.

31
°C maximum temperature
25
°C minimum temperature
isolated thunderstorms
4
hours of sunshine
9
UV index (Very High)
63
% chance of some rain
<10
mm of rainfall expected
M
moderate heat & humidity
5
kph wind from SE

Laos weather for Friday 19th September 2025

Expect isolated thunderstorms in Laos with a maximum temperature of 31°C, moderate levels of heat & humidity, maximum UV of 9 (Very High) and 4 hours of bright sunshine. There are 10-20 mm of rainfall expected with 74% chance of some rain and little or no wind of 6 kph from the east.

31
°C maximum temperature
25
°C minimum temperature
isolated thunderstorms
4
hours of sunshine
9
UV index (Very High)
74
% chance of some rain
<20
mm of rainfall expected
M
moderate heat & humidity
6
kph wind from E

Laos weather for Saturday 20th September 2025

Expect isolated thunderstorms in Laos with a maximum temperature of 31°C, moderate levels of heat & humidity, maximum UV of 6 (High) and 4 hours of bright sunshine. There are 20-30 mm of rainfall expected with 75% chance of some rain and little or no wind of 6 kph from the east.

31
°C maximum temperature
24
°C minimum temperature
isolated thunderstorms
4
hours of sunshine
6
UV index (High)
75
% chance of some rain
<30
mm of rainfall expected
M
moderate heat & humidity
6
kph wind from E

Laos weather for Sunday 21st September 2025

Expect isolated thunderstorms in Laos with a maximum temperature of 31°C, moderate levels of heat & humidity, maximum UV of 6 (High) and 4 hours of bright sunshine. There are 10-20 mm of rainfall expected with 85% chance of some rain and little or no wind of 6 kph from the south-east.

31
°C maximum temperature
25
°C minimum temperature
isolated thunderstorms
4
hours of sunshine
6
UV index (High)
85
% chance of some rain
<20
mm of rainfall expected
M
moderate heat & humidity
6
kph wind from SE

Laos weather for Monday 22nd September 2025

Expect isolated thunderstorms in Laos with a maximum temperature of 32°C, moderate levels of heat & humidity, maximum UV of 3 (Moderate) and 4 hours of bright sunshine. There are 10-20 mm of rainfall expected with 84% chance of some rain and little or no wind of 5 kph from the east.

32
°C maximum temperature
25
°C minimum temperature
isolated thunderstorms
4
hours of sunshine
3
UV index (Moderate)
84
% chance of some rain
<20
mm of rainfall expected
M
moderate heat & humidity
5
kph wind from E

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Metric (°C / mm) | Imperial (°F / inches)

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Laos - quick facts
Time difference	UK +7 hours
Language(s)	Lao
Currency	Lao Kip
Electricity	A + B + C + E + F plug (230V)
Driving side	Right
Visa^✝	Yes
Why visit?	Culture Nature
Tourist info	Laos Ministry of Information, Culture & Tourism