Nghe An weather forecast for May 21: Hot and sunny during the day, rainy at night
Cloudy, hot during the day. Some showers in the evening and at night. Wind from the South to the Southeast, level 2 - level 3.

* Coastal plain area
Cloudy, hot during the day. Some showers in the evening and at night. Wind from the South to the Southeast, level 2 – level 3.
- Temperature: 26 – 37oC
- Humidity: 80 – 90%
* Midland and mountainous areas
Cloudy, hot during the day, some places very hot. Showers and thunderstorms in the evening and at night. Light wind.
- Temperature: 25 – 38oC, some places over 38oC
- Humidity: 75 – 85%
* Vinh City Area
- Temperature: 27 – 37oC
- Humidity: 80 – 85%
* Cua Lo and Ngu Island area
Cloudy, sunny during the day. Showers and thunderstorms at times in the evening and at night. Wind from South to Southeast level 3.
- Temperature: 26 – 33oC
- Humidity: 85 – 90%
*Next 48 hours: The low pressure trough with its axis at about 25-28 degrees North latitude connecting with the low pressure area in the West tends to develop and expand to the East, so Nghe An province has variable clouds, hot and sunny days, some places are very hot. In the evening and at night there are showers and thunderstorms in some places. South to Southeast wind level 2-3.
* Thunderstorms may include tornadoes, hail and strong gusts of wind.