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
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
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
Colours show pressure relative to this day’s range
Lower · 989.3 Scale midpoint · 991.9 Higher · 994.6 Largest change over 3 hoursWhat is the chance of precipitation in Vientiane tomorrow?
Chance of precipitation tomorrow according to the daily forecast: 85%.
Precipitation for tomorrow
| 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
What geomagnetic activity is forecast for Vientiane tomorrow?
The highest forecast Kp index for tomorrow is 2.