Weather in Laos - today, tomorrow and 14-day forecast

Right now temperatures across Laos range from 24° to 31°. Below: today's conditions city by city, a live weather map, the 14-day outlook and month-by-month climate to help you pick the best time to travel.

Country values are the median of forecasts from 8 cities; the range shows local differences. Methodology.

Weather in Laos's cities today

🌧️Vientiane 31°💧 5.6 mm 🌧️Luang Prabang 31°💧 7.9 mm 🌧️Pakxan 31°💧 19.7 mm 🌧️Vang Vieng 29°💧 11.6 mm 🌧️Muang Xay 29°💧 8.3 mm 🌧️Pakxé 26°💧 20 mm 🌧️Xam Neua 26°💧 12.5 mm 🌧️Phonsavan 24°💧 19.9 mm

Weather map - today's temperatures

Pill colour shows today's daytime temperature. Click a city for its full 14-day forecast.

Next days in Laos

today🌧️ 29°💧 12.1 mm

Sun🌧️ 26°💧 21.8 mm

Mon🌧️ 27°💧 17.6 mm

Tue🌧️ 28°💧 17.4 mm

Wed🌧️ 29°💧 19.4 mm

Thu🌧️ 31°💧 6.6 mm

Fri🌧️ 31°💧 2.2 mm

Sat🌧️ 29°💧 1.2 mm

Forecast vs 1991-2020 climate normal

How does the current forecast compare with normal?

We compare the coming days with weather usually observed at this time of year.

NASA POWER

Sunday 6 Sept in Laos, the forecast high is 26°C. Typical daytime temperatures at this time of year range from 27°C to 30°C, so it will be exceptionally cool. It is cooler than 96% of similar days.

Saturday 5 Sept

29°Cnear normal

usually 27°C–30°C

night: exceptionally warm rain: more rain than usual wind: stronger than usual

Sunday 6 Sept

26°Cexceptionally cool

usually 27°C–30°C

cooler than 96% of similar days

night: exceptionally warm rain: exceptionally wet wind: typical

Monday 7 Sept

27°Ccooler than usual

usually 27°C–30°C

cooler than 87% of similar days

night: exceptionally warm rain: exceptionally wet wind: lighter than usual

Tuesday 8 Sept

28°Cnear normal

usually 27°C–30°C

night: exceptionally warm rain: exceptionally wet wind: typical

Wednesday 9 Sept

29°Cnear normal

usually 27°C–30°C

night: exceptionally warm rain: exceptionally wet wind: stronger than usual

Thursday 10 Sept

31°Cexceptionally warm

usually 27°C–30°C

warmer than 92% of similar days

night: exceptionally warm rain: more rain than usual wind: exceptionally strong

Friday 11 Sept

31°Cexceptionally warm

usually 27°C–30°C

warmer than 93% of similar days

night: warmer than usual rain: typical rainfall wind: exceptionally strong

How warm was this week in previous years?

Each bar shows the average daily high during the same 7-day period in each year.

swipe to see more years →

cooler yearstypical rangewarmer years2026 forecastcurrent forecast

From 1981 to 2025, the 5-11 Sept period averaged 28°C by day. The coolest year was 1986 (27°C) and the warmest was 2009 (33°C). The current forecast averages 29°C - higher than in 64% of historical years.

Historical reference: NASA POWER daily gridded data (MERRA-2), the 1991-2020 normal and a +/- 7-day calendar window. The typical range is the 20th-80th percentile. This is not a city weather-station reading and does not change the current forecast. NASA POWER Daily API.

14-day forecast - Laos

Laos - 14-day weather forecast infographic

Laos 30 & 45-day weather - long-range outlook

Next 16 days · forecast

29°

around 23° at night · days with rain: 13

Weeks 3-4 · avg for September

32°

around 25° at night · rain chance 34%

Weeks 5-7 · avg for October

32°

around 24° at night · rain chance 15%

The 30 & 45-day outlook for Laos: the next 16 days are a numerical forecast updated daily - on average 29° by day and 23° at night. Further out we rely on multi-year climate averages: around 32° in September, and about 32° in October. Forecasts beyond two weeks are indicative only.

Today vs the next days - Laos cities

City	Today	+3 days	+7 days	Rain today
🌧️ Vientiane	31℃	31℃	29℃	5.6 mm
🌧️ Luang Prabang	31℃	29℃	33℃	7.9 mm
🌧️ Pakxan	31℃	29℃	32℃	19.7 mm
🌧️ Vang Vieng	29℃	28℃	31℃	11.6 mm
🌧️ Muang Xay	29℃	26℃	27℃	8.3 mm
🌧️ Pakxé	26℃	28℃	29℃	20 mm
🌧️ Xam Neua	26℃	25℃	25℃	12.5 mm
🌧️ Phonsavan	24℃	25℃	26℃	19.9 mm

Day-by-day forecast for Laos

Saturday5 September 2026

🌧️29°moderate rain

night 23° · evening 26° · rain 12.065 mm · humidity 73% · wind 2 m/s · clouds 49%

Sunday6 September 2026

🌧️26°moderate rain

night 23° · evening 25° · rain 21.83 mm · humidity 85% · wind 1 m/s · clouds 86%

Monday7 September 2026

🌧️27°moderate rain

night 23° · evening 25° · rain 17.634999999999998 mm · humidity 86% · wind 1 m/s · clouds 95%

Tuesday8 September 2026

🌧️28°moderate rain

night 24° · evening 25° · rain 17.42 mm · humidity 83.5% · wind 1 m/s · clouds 85%

Wednesday9 September 2026

🌧️29°moderate rain

night 23° · evening 24° · rain 19.365000000000002 mm · humidity 77.5% · wind 2 m/s · clouds 100%

Thursday10 September 2026

🌧️31°moderate rain

night 23° · evening 24° · rain 6.64 mm · humidity 60% · wind 3 m/s · clouds 72%

Friday11 September 2026

🌧️31°light rain

night 22° · evening 25° · rain 2.2199999999999998 mm · humidity 51.5% · wind 3 m/s · clouds 58%

Saturday12 September 2026

🌧️29°light rain

night 21° · evening 24° · rain 1.2 mm · humidity 45.5% · wind 2 m/s · clouds 49%

Sunday13 September 2026

☁️30°broken clouds

night 23° · evening 25° · rain 0.33 mm · humidity 41.5% · wind 2 m/s · clouds 65%

Monday14 September 2026

☀️30°clear sky

night 22° · evening 25° · rain 0.63 mm · humidity 41% · wind 2 m/s · clouds 6.5%

Tuesday15 September 2026

☁️31°broken clouds

night 23° · evening 25° · rain 0.81 mm · humidity 51% · wind 2 m/s · clouds 60.5%

Wednesday16 September 2026

🌧️28°light rain

night 22° · evening 24° · rain 2.505 mm · humidity 66.5% · wind 2 m/s · clouds 94%

Thursday17 September 2026

🌧️25°light rain

night 22° · evening 24° · rain 8.265 mm · humidity 71.5% · wind 2 m/s · clouds 100%

Friday18 September 2026

🌧️26°light rain

night 23° · evening 25° · rain 1.485 mm · humidity 69.5% · wind 2 m/s · clouds 97%

Saturday19 September 2026

🌧️28°moderate rain

night 23° · evening 25° · rain 4.154999999999999 mm · humidity 63% · wind 2 m/s · clouds 98.5%

Sunday20 September 2026

🌧️28°moderate rain

night 23° · evening 24° · rain 2.31 mm · humidity 77% · wind 2 m/s · clouds 92.5%

Air quality and smog in Laos

City	PM2.5 (µg/m³)	PM10 (µg/m³)	Air quality
Wientian	3.8	4	very good

Based on PM2.5 thresholds. Station readings, updated daily (last reading: 2026-09-05, 08:00).

Laos weather through the year

Laos weather month by month - when is the best time to go?

January (28°)February (31°)March (34°)April (36°)May (34°)June (32°)July (31°)August (32°)September (32°)October (32°)November (31°)December (29°)

Weather in other countries in Asia

LebanonKyrgyzstanMacauKuwaitMalaysiaNorth Korea

FAQ - Laos weather

What is the weather like in Laos today?

Today it is about 29° during the day and 23° at night, moderate rain.

How far ahead can I check the forecast for Laos?

This page shows a detailed 14-day forecast plus the long-term monthly climate, so you can plan both a short trip and a holiday months ahead.