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Weather Vientiane: Current forecast

Vientiane / LA

37.2 °C
Feels like 36 °C
Min 25 °C / Max 42 °C
Weather Vientiane: Sunny, 37 °C Sunny
6.3 mph SW
Wind
7.2 mph SW
Gusts
1007 hPa
Pressure
0 mm
Precipitation
68 %
Humidity
7
UV index

Pollen (today)

Hazel None
Alder None
Birch None
Oak None
Grass None
Mugwort None
Ragweed None
05:56 / 18:25
Sunrise / Sunset
02:10 / 13:39
Moonrise / Moonset
Waning Crescent (33 %)
Moon phase

Updated: Apr 12, 2026, 7:03 CEST Apr 12, 2026, 12:03 +07

Today's Summary

If you head out in Vientiane today, you'll see a sunny sky. The thermometer currently shows 37.2°C. UV levels are elevated today – remember sun protection if you're outdoors. During the day temperatures will range between 24.8°C and 42.3°C.

Hourly forecast – Vientiane, today

Apr 12, 12:00
37 °C
Sunny
Vientiane Apr 12, 12:00: Sunny, 37 °C
Apr 12, 13:00
42 °C
Sunny
Vientiane Apr 12, 13:00: Sunny, 42 °C
Apr 12, 14:00
42 °C
Sunny
Vientiane Apr 12, 14:00: Sunny, 42 °C
Apr 12, 15:00
42 °C
Sunny
Vientiane Apr 12, 15:00: Sunny, 42 °C
Apr 12, 16:00
42 °C
Sunny
Vientiane Apr 12, 16:00: Sunny, 42 °C
Apr 12, 17:00
41 °C
Sunny
Vientiane Apr 12, 17:00: Sunny, 41 °C
Apr 12, 18:00
38 °C
Sunny
Vientiane Apr 12, 18:00: Sunny, 38 °C
Apr 12, 19:00
35 °C
Clear
Vientiane Apr 12, 19:00: Clear, 35 °C
Apr 12, 20:00
34 °C
Clear
Vientiane Apr 12, 20:00: Clear, 34 °C
Apr 12, 21:00
33 °C
Clear
Vientiane Apr 12, 21:00: Clear, 33 °C
Apr 12, 22:00
32 °C
Clear
Vientiane Apr 12, 22:00: Clear, 32 °C
Apr 12, 23:00
31 °C
Clear
Vientiane Apr 12, 23:00: Clear, 31 °C
Apr 13, 00:00
30 °C
Clear
Vientiane Apr 13, 00:00: Clear, 30 °C
Apr 13, 01:00
29 °C
Clear
Vientiane Apr 13, 01:00: Clear, 29 °C
Apr 13, 02:00
29 °C
Clear
Vientiane Apr 13, 02:00: Clear, 29 °C
Apr 13, 03:00
28 °C
Clear
Vientiane Apr 13, 03:00: Clear, 28 °C
Apr 13, 04:00
27 °C
Clear
Vientiane Apr 13, 04:00: Clear, 27 °C
Apr 13, 05:00
27 °C
Clear
Vientiane Apr 13, 05:00: Clear, 27 °C
Apr 13, 06:00
26 °C
Sunny
Vientiane Apr 13, 06:00: Sunny, 26 °C
Apr 13, 07:00
29 °C
Sunny
Vientiane Apr 13, 07:00: Sunny, 29 °C
Apr 13, 08:00
33 °C
Sunny
Vientiane Apr 13, 08:00: Sunny, 33 °C
Apr 13, 09:00
36 °C
Sunny
Vientiane Apr 13, 09:00: Sunny, 36 °C
Apr 13, 10:00
38 °C
Sunny
Vientiane Apr 13, 10:00: Sunny, 38 °C
Apr 13, 11:00
40 °C
Sunny
Vientiane Apr 13, 11:00: Sunny, 40 °C
Time
12
13
14
15
16
17
18
19
20
21
22
23
00
01
02
03
04
05
06
07
08
09
10
11
Vientiane Apr 12, 12:00: Sunny
Vientiane Apr 12, 13:00: Sunny
Vientiane Apr 12, 14:00: Sunny
Vientiane Apr 12, 15:00: Sunny
Vientiane Apr 12, 16:00: Sunny
Vientiane Apr 12, 17:00: Sunny
Vientiane Apr 12, 18:00: Sunny
Vientiane Apr 12, 19:00: Clear
Vientiane Apr 12, 20:00: Clear
Vientiane Apr 12, 21:00: Clear
Vientiane Apr 12, 22:00: Clear
Vientiane Apr 12, 23:00: Clear
Vientiane Apr 13, 00:00: Clear
Vientiane Apr 13, 01:00: Clear
Vientiane Apr 13, 02:00: Clear
Vientiane Apr 13, 03:00: Clear
Vientiane Apr 13, 04:00: Clear
Vientiane Apr 13, 05:00: Clear
Vientiane Apr 13, 06:00: Sunny
Vientiane Apr 13, 07:00: Sunny
Vientiane Apr 13, 08:00: Sunny
Vientiane Apr 13, 09:00: Sunny
Vientiane Apr 13, 10:00: Sunny
Vientiane Apr 13, 11:00: Sunny
Temperature (°C)
Chance of rain (%)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Precipitation
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
Wind (mph)
SW
6
SW
8
SW
9
SW
10
SW
10
SW
9
SSW
6
S
6
S
6
SSW
5
SW
5
WSW
4
W
4
W
2
WNW
2
NNW
4
NW
4
WSW
2
NE
3
NNE
2
WSW
3
WSW
5
WSW
6
WSW
6
Pressure (hPa)
1007
1003
1002
1001
1000
1000
1001
1001
1002
1003
1004
1004
1004
1003
1003
1003
1004
1005
1006
1007
1008
1008
1008
1007
Humidity (%)
68 %
14 %
13 %
12 %
12 %
13 %
15 %
19 %
20 %
21 %
23 %
24 %
25 %
27 %
28 %
29 %
30 %
32 %
33 %
30 %
25 %
23 %
20 %
18 %
Cloud cover (%)
0 %
5 %
4 %
3 %
3 %
3 %
3 %
2 %
3 %
3 %
4 %
5 %
4 %
1 %
1 %
4 %
6 %
6 %
6 %
6 %
6 %
5 %
5 %
4 %

14-day weather forecast – Vientiane

14-day trend for Vientiane: Forecasts suggest a marked cooldown in the second week. Lows can drop to around 23.7°C at night, with daytime highs up to 43.4°C.

Date
Apr 12
Apr 13
Apr 14
Apr 15
Apr 16
Apr 17
Apr 18
Apr 19
Apr 20
Apr 21
Apr 22
Apr 23
Apr 24
Apr 25
Vientiane April 12, 2026: Sunny
Vientiane April 13, 2026: Sunny
Vientiane April 14, 2026: Sunny
Vientiane April 15, 2026: Sunny
Vientiane April 16, 2026: Sunny
Vientiane April 17, 2026: Sunny
Vientiane April 18, 2026: Patchy rain possible
Vientiane April 19, 2026: Patchy rain possible
Vientiane April 20, 2026: Moderate rain
Vientiane April 21, 2026: Patchy rain possible
Vientiane April 22, 2026: Patchy rain possible
Vientiane April 23, 2026: Patchy rain possible
Vientiane April 24, 2026: Patchy rain possible
Vientiane April 25, 2026: Patchy rain possible
Temperature (°C)
Chance of rain (%)
0
0
0
0
0
0
83
85
89
86
85
85
89
79
Precipitation
—
—
—
—
—
—
2 mm
1.9 mm
6.9 mm
3.2 mm
2.3 mm
2.2 mm
3.6 mm
0.2 mm
Wind max (mph)
10
9
9
9
7
10
16
13
10
8
5
5
7
5
Date Weather Min °C Max °C Sunrise Sunset Moonrise Moonset Moon phase
April 12, 2026 Vientiane April 12, 2026: Sunny Sunny 25 °C 42 °C 05:56 18:25 02:10 13:39 Waning Crescent (33 %)
April 13, 2026 Vientiane April 13, 2026: Sunny Sunny 26 °C 43 °C 05:55 18:25 02:49 14:33 Waning Crescent (23 %)
April 14, 2026 Vientiane April 14, 2026: Sunny Sunny 27 °C 43 °C 05:54 18:26 03:27 15:28 Waning Crescent (15 %)
April 15, 2026 Vientiane April 15, 2026: Sunny Sunny 29 °C 43 °C 05:54 18:26 04:04 16:22 Waning Crescent (8 %)
April 16, 2026 Vientiane April 16, 2026: Sunny Sunny 27 °C 43 °C 05:53 18:26 04:41 17:20 Waning Crescent (3 %)
April 17, 2026 Vientiane April 17, 2026: Sunny Sunny 28 °C 42 °C 05:52 18:26 05:22 18:20 New Moon (0 %)
April 18, 2026 Vientiane April 18, 2026: Patchy rain possible Patchy rain possible 27 °C 39 °C 05:52 18:27 06:06 19:25 Waxing Crescent (1 %)
April 19, 2026 Vientiane April 19, 2026: Patchy rain possible Patchy rain possible 24 °C 38 °C 05:51 18:27 06:55 20:31 Waxing Crescent (3 %)
April 20, 2026 Vientiane April 20, 2026: Moderate rain Moderate rain 24 °C 34 °C 05:50 18:27 07:51 21:40 Waxing Crescent (9 %)
April 21, 2026 Vientiane April 21, 2026: Patchy rain possible Patchy rain possible 24 °C 34 °C 05:50 18:27 08:52 22:46 Waxing Crescent (17 %)
April 22, 2026 Vientiane April 22, 2026: Patchy rain possible Patchy rain possible 25 °C 35 °C 05:49 18:28 09:57 23:47 Waxing Crescent (27 %)
April 23, 2026 Vientiane April 23, 2026: Patchy rain possible Patchy rain possible 25 °C 35 °C 05:48 18:28 11:03 — Waxing Crescent (38 %)
April 24, 2026 Vientiane April 24, 2026: Patchy rain possible Patchy rain possible 26 °C 35 °C 05:48 18:28 12:05 00:41 First Quarter (49 %)
April 25, 2026 Vientiane April 25, 2026: Patchy rain possible Patchy rain possible 25 °C 37 °C 05:47 18:29 13:05 01:28 Waxing Moon (60 %)
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