Weather for tomorrow

Vientiane

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Weather tomorrow: Vientiane

Forecast for tomorrow, 29 September: overcast and light rain. The daily air temperature range is 22 to 28 °C. Chance of precipitation tomorrow according to the daily forecast: 85%. Forecast precipitation amount: 4 mm. Wind from the southeast at 1.4 m/s.

tuesday 29 september

Overcast and light rain

Overcast and light rain, Precipitation probability 85%, Sunrise 06:00, Sunset 18:00, 29.09.2026

+28°

+22°

Sunset 18:00

G/m activity 2

Precipitation probability 85%

Precipitation 4.0 mm

Wind 1.4 m/s

Pressure 991.9 hPa

Index UV 10

Humidity 89%

Sunrise 06:00

Moon Waning Gibbous

Sunrise 06:00

Sunset 18:00

G/m activity 2

Moon Waning Gibbous

Fog
night
+24°
Fog
morning
+22°
Overcast and showers
day
+29°
Partly cloudy
evening
+27°
Time
Description
Temperature
Precipitation probability
Precipitation
Wind

00:00

Fog

24°

47 %
-

SE

1.1 m/s

01:00

Fog

23°

42 %
-

E

0.6 m/s

02:00

Fog

23°

43 %
-

E

0.8 m/s

03:00

Fog

23°

45 %
-

NE

0.8 m/s

04:00

Fog

23°

44 %
-

NE

1.1 m/s

05:00

Fog

23°

43 %
-

NE

0.8 m/s

06:00

Fog

22°

43 %
-

E

1.1 m/s

07:00

Fog

22°

42 %
-

E

1.1 m/s

08:00

Overcast and showers

24°

23 %
-

E

1.4 m/s

09:00

Overcast and showers

25°

20 %
-

E

1.9 m/s

10:00

Overcast and showers

27°

18 %
-

E

2.2 m/s

11:00

Overcast and showers

28°

13 %
-

SE

2.2 m/s

12:00

Overcast and showers

29°

17 %
0.1 mm

SE

1.9 m/s

13:00

Overcast and showers

29°

11 %
-

S

1.7 m/s

14:00

Overcast and showers

29°

15 %
-

S

1.7 m/s

15:00

Overcast and showers

29°

10 %
-

S

2.2 m/s

16:00

Overcast and showers

29°

17 %
-

S

2.5 m/s

17:00

Cloudy

28°

9 %
-

S

1.9 m/s

18:00

Partly cloudy

27°

13 %
-

SW

0.8 m/s

19:00

Partly cloudy

26°

14 %
-

NW

0.6 m/s

20:00

Overcast and showers

26°

26 %
-

NW

0.6 m/s

21:00

Overcast

26°

27 %
-

NW

0.8 m/s

22:00

Cloudy

25°

26 %
-

NW

0.8 m/s

23:00

Cloudy

25°

26 %
-

NW

0.8 m/s

What is the atmospheric pressure in Vientiane tomorrow?

Pressure adjusted for location elevation. Location elevation: 174 m relative to sea level

Forecast for 29.09.2026 · Local time

Pressure: 989.3–994.6 hPa.

Minimum: 989.3 hPa16:00

Maximum: 994.6 hPa09:00–11:00

Largest change over 3 hours: −4 hPa · 11:00–14:00

hPa · Change over the previous 3 hours

993.3 00:00 —
993.3 01:00 —
991.9 02:00 —
991.9 03:00 −1.3
991.9 04:00 −1.3
993.3 05:00 +1.3
993.3 06:00 +1.3
993.3 07:00 +1.3
993.3 08:00 0
994.6 09:00 +1.3
994.6 10:00 +1.3
994.6 11:00 +1.3
993.3 12:00 −1.3
991.9 13:00 −2.7
990.6 14:00 −4
990.6 15:00 −2.7
989.3 16:00 −2.7
990.6 17:00 0
990.6 18:00 0
990.6 19:00 +1.3
991.9 20:00 +1.3
993.3 21:00 +2.7
993.3 22:00 +2.7
993.3 23:00 +1.3

Colours show pressure relative to this day’s range

Lower · 989.3 Scale midpoint · 991.9 Higher · 994.6 Largest change over 3 hours

What is the chance of precipitation in Vientiane tomorrow?

Chance of precipitation tomorrow according to the daily forecast: 85%.

Precipitation for tomorrow

Hourly precipitation forecast
00:00 Amount of precipitation in millimeters (mm): 0 mm Probability of precipitation in percent (%): 47%
01:00 Amount of precipitation in millimeters (mm): 0 mm Probability of precipitation in percent (%): 42%
02:00 Amount of precipitation in millimeters (mm): 0 mm Probability of precipitation in percent (%): 43%
03:00 Amount of precipitation in millimeters (mm): 0 mm Probability of precipitation in percent (%): 45%
04:00 Amount of precipitation in millimeters (mm): 0 mm Probability of precipitation in percent (%): 44%
05:00 Amount of precipitation in millimeters (mm): 0 mm Probability of precipitation in percent (%): 43%
06:00 Amount of precipitation in millimeters (mm): 0 mm Probability of precipitation in percent (%): 43%
07:00 Amount of precipitation in millimeters (mm): 0 mm Probability of precipitation in percent (%): 42%
08:00 Amount of precipitation in millimeters (mm): 0 mm Probability of precipitation in percent (%): 23%
09:00 Amount of precipitation in millimeters (mm): 0 mm Probability of precipitation in percent (%): 20%
10:00 Amount of precipitation in millimeters (mm): 0 mm Probability of precipitation in percent (%): 18%
11:00 Amount of precipitation in millimeters (mm): 0 mm Probability of precipitation in percent (%): 13%
12:00 Amount of precipitation in millimeters (mm): 0.1 mm Probability of precipitation in percent (%): 17%
13:00 Amount of precipitation in millimeters (mm): 0 mm Probability of precipitation in percent (%): 11%
14:00 Amount of precipitation in millimeters (mm): 0 mm Probability of precipitation in percent (%): 15%
15:00 Amount of precipitation in millimeters (mm): 0 mm Probability of precipitation in percent (%): 10%
16:00 Amount of precipitation in millimeters (mm): 0 mm Probability of precipitation in percent (%): 17%
17:00 Amount of precipitation in millimeters (mm): 0 mm Probability of precipitation in percent (%): 9%
18:00 Amount of precipitation in millimeters (mm): 0 mm Probability of precipitation in percent (%): 13%
19:00 Amount of precipitation in millimeters (mm): 0 mm Probability of precipitation in percent (%): 14%
20:00 Amount of precipitation in millimeters (mm): 0 mm Probability of precipitation in percent (%): 26%
21:00 Amount of precipitation in millimeters (mm): 0 mm Probability of precipitation in percent (%): 27%
22:00 Amount of precipitation in millimeters (mm): 0 mm Probability of precipitation in percent (%): 26%
23:00 Amount of precipitation in millimeters (mm): 0 mm Probability of precipitation in percent (%): 26%

Vientiane weather tomorrow: morning, afternoon and evening

Morning: fog, +22 °C. Afternoon: overcast and showers, +29 °C. Evening: partly cloudy, +27 °C.

According to the hourly forecast, tomorrow's highest temperature is expected from 12:00 to 16:00, at around +29 °C. Times are local.

Tomorrow's strongest winds are expected at 16:00 (from the south). The lightest winds are expected at 01:00 (from the east); from 19:00 to 20:00 (from the northwest). Times are local.

Temperature and wind for tomorrow

+24° +23° +22° +25° +29° +29° +27° +26° 1.1 m/s 0.8 m/s 1.1 m/s 1.9 m/s 1.9 m/s 2.2 m/s 0.8 m/s 0.8 m/s
00:00 03:00 06:00 09:00 12:00 15:00 18:00 21:00
- Wind direction and speed, m/s
- Temperature, °C

What geomagnetic activity is forecast for Vientiane tomorrow?

The highest forecast Kp index for tomorrow is 2.

Magnetic storm tomorrow

00:00 1
03:00 1
06:00 2
09:00 2
12:00 1
15:00 1
18:00 1
21:00 1

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