Vientiane, Laos 14-Day Forecast
Laos 🇱🇦
78°
Cloudy right now
Today: high 86°, low 76°
Updated 1 hour ago
Vientiane weather for the next 14 days
Friday, August 28
Patchy rain nearby High 86° Low 75°Precipitation
74%
· 0.07 in
Max wind
8 mph
Humidity
84%
UV index
11 - Very High
Sunrise / sunset
05:54 AM / 06:26 PM
Saturday, August 29
Patchy rain nearby High 85° Low 75°Precipitation
68%
· 0.06 in
Max wind
8 mph
Humidity
81%
UV index
6 - High
Sunrise / sunset
05:54 AM / 06:26 PM
Sunday, August 30
Light rain shower High 78° Low 72°Precipitation
94%
· 0.46 in
Max wind
7 mph
Humidity
95%
UV index
6 - High
Sunrise / sunset
05:55 AM / 06:25 PM
Monday, August 31
Light rain shower High 79° Low 72°Precipitation
90%
· 0.2 in
Max wind
4 mph
Humidity
94%
UV index
6 - High
Sunrise / sunset
05:55 AM / 06:24 PM
Tuesday, September 1
Light rain shower High 78° Low 72°Precipitation
94%
· 0.79 in
Max wind
5 mph
Humidity
96%
UV index
6 - High
Sunrise / sunset
05:55 AM / 06:23 PM
Wednesday, September 2
Patchy rain nearby High 80° Low 71°Precipitation
88%
· 0.26 in
Max wind
5 mph
Humidity
91%
UV index
6 - High
Sunrise / sunset
05:55 AM / 06:23 PM
Thursday, September 3
Patchy rain nearby High 81° Low 72°Precipitation
86%
· 0.39 in
Max wind
4 mph
Humidity
90%
UV index
6 - High
Sunrise / sunset
05:55 AM / 06:22 PM
Friday, September 4
Patchy rain nearby High 82° Low 73°Precipitation
89%
· 1.35 in
Max wind
4 mph
Humidity
90%
UV index
6 - High
Sunrise / sunset
05:55 AM / 06:21 PM
Saturday, September 5
Patchy rain nearby High 82° Low 74°Precipitation
89%
· 1.47 in
Max wind
5 mph
Humidity
92%
UV index
6 - High
Sunrise / sunset
05:56 AM / 06:20 PM
Sunday, September 6
Light rain shower High 85° Low 73°Precipitation
89%
· 0.43 in
Max wind
3 mph
Humidity
88%
UV index
6 - High
Sunrise / sunset
05:56 AM / 06:19 PM
Monday, September 7
Patchy rain nearby High 84° Low 74°Precipitation
88%
· 0.78 in
Max wind
6 mph
Humidity
88%
UV index
6 - High
Sunrise / sunset
05:56 AM / 06:18 PM
Tuesday, September 8
Patchy rain nearby High 86° Low 72°Precipitation
76%
· 0.17 in
Max wind
8 mph
Humidity
85%
UV index
7 - High
Sunrise / sunset
05:56 AM / 06:18 PM
Wednesday, September 9
Patchy rain nearby High 88° Low 74°Precipitation
74%
· 0.12 in
Max wind
4 mph
Humidity
81%
UV index
8 - Very High
Sunrise / sunset
05:56 AM / 06:17 PM
Vientiane 14-day outlook: the story
The warmest day of Vientiane's 14-day outlook is Wednesday, September 9 with a high near 88°F (31°C); the coolest night comes Wednesday, September 2, dipping to 71°F (22°C). Temperatures hold fairly steady from week to week. Highs over the next two weeks average 82°F (28°C), about 4°F (2°C) below the typical August high of 86°F (30°C).
Precipitation is most likely on Thursday 27, Friday 28, Saturday 29, Sunday 30 and beyond; the wettest day looks like Saturday, September 5 with about 1.47 in (37.4 mm) expected. For the weekend, expect Saturday 85°F (30°C) and patchy rain nearby / Sunday 78°F (25°C) and light rain shower.
For typical conditions month by month, see the Vientiane climate & average temperatures guide.
Vientiane forecast questions
Will it rain in Vientiane this week?
The forecast currently shows meaningful precipitation chances on 14 of the next 14 days, peaking around Saturday, September 5.
What will be the warmest day in Vientiane over the next 14 days?
Wednesday, September 9, with a forecast high near 88°F (31°C).
How accurate is a 14-day forecast for Vientiane?
Days 1-3 are highly reliable, days 4-7 capture the overall pattern well, and days 8-14 indicate trends rather than exact figures - check back as the date approaches; this page refreshes throughout the day.
Average temperatures in Vientiane by month
| Month | High | Low | Rain days | Precipitation | Sunshine | Humidity |
|---|---|---|---|---|---|---|
| January | 81° | 64° | 2 | 0.7 in | 10.0 h/day | 66% |
| February | 85° | 66° | 2 | 0.6 in | 10.4 h/day | 64% |
| March | 90° | 73° | 8 | 1.9 in | 10.5 h/day | 66% |
| April | 94° | 76° | 8 | 2.4 in | 10.8 h/day | 64% |
| May | 91° | 78° | 22 | 8.4 in | 9.6 h/day | 76% |
| June | 88° | 77° | 25 | 10.8 in | 8.6 h/day | 83% |
| July | 87° | 77° | 26 | 14.6 in | 7.8 h/day | 85% |
| August | 86° | 76° | 26 | 16.8 in | 7.1 h/day | 86% |
| September | 86° | 76° | 26 | 13.9 in | 8.4 h/day | 86% |
| October | 86° | 74° | 14 | 5.4 in | 9.8 h/day | 79% |
| November | 85° | 71° | 3 | 1.1 in | 10.1 h/day | 70% |
| December | 81° | 65° | 2 | 0.2 in | 9.8 h/day | 65% |
14-day forecasts nearby