15-Day Weather Forecast - Hanoi
15-day weather forecast for Hanoi: temperatures from 20°C (68°F) to 32°C (90°F). Average daily high 30°C (86°F) over the next 15 days.
Hourly Forecast by Day
15-Day Temperature Trend
15-Day Weather Forecast
Updated just nowWeather Insight
Hanoi's 15-day outlook ranges from a low of 20°C to a high of 32°C, with an average daytime high near 30°C. That's 1° below the long-term average high of 31°C for this time of year. Air quality is currently Unhealthy for Sensitive Groups (AQI 114), driven mainly by O₃ at 75 μg/m³.
Today vs Normal
The long-term average high for today is 31°C.
22 of the last 28 days with published data ran above normal.
That's a break from the pattern - today's forecast runs below normal even though the recent stretch mostly ran above.
Red = above normal, blue = at or below · last 12 days
Air Quality
Health effects can be felt by sensitive groups, including children, older adults, and people with respiratory or heart conditions. The general public is less likely to be affected.
Extended Outlook for Hanoi
Over the next 15 days, Hanoi is forecast to see temperatures ranging from 19°C to 33°C, averaging a daily high of 30°C. The extended outlook indicates significant rainfall totalling 158.2 mm spread across 12 days. Conditions are suitable for most outdoor activities; carry an umbrella on days with showers.