worldweather31°Cexceptionally warm
usually 29°C–30°C
warmer than 99% of similar days
night: exceptionally cool
rain: typical rainfall
wind: lighter than usual
Weather in Nha Trang - 14-day forecast
Detailed weather forecast for Nha Trang, Vietnam: daytime and night temperature, rain, sunrise and sunset - today and for the next two weeks.
Forecast for the next days in Nha Trang
today🌧️
31°💧 4.5 mm
Sun🌧️
31°💧 7.1 mm
Mon🌧️
32°💧 1.8 mm
Tue🌧️
31°💧 0.6 mm
Wed🌧️
28°💧 8.2 mm
Thu🌧️
25°💧 12.9 mm
Fri🌧️
29°💧 10.4 mm
Sat🌧️
25°💧 0.5 mm
Forecast vs 1991-2020 climate normal
NASA POWERHow does the current forecast compare with normal?
We compare the coming days with weather usually observed at this time of year.
Saturday 5 Sept in Nha Trang, the forecast high is 31°C. Typical daytime temperatures at this time of year range from 29°C to 30°C, so it will be exceptionally warm. It is warmer than 99% of similar days.
31°Cexceptionally warm
usually 29°C–30°C
warmer than 99% of similar days
night: exceptionally cool
rain: more rain than usual
wind: exceptionally light
32°Cexceptionally warm
usually 29°C–30°C
warmer than 99% of similar days
night: cooler than usual
rain: less rain than usual
wind: lighter than usual
31°Cexceptionally warm
usually 29°C–30°C
warmer than 99% of similar days
night: near normal
rain: exceptionally dry
wind: exceptionally light
28°Cexceptionally cool
usually 28°C–30°C
cooler than 94% of similar days
night: exceptionally cool
rain: more rain than usual
wind: exceptionally light
25°Cexceptionally cool
usually 28°C–30°C
cooler than 99% of similar days
night: exceptionally cool
rain: more rain than usual
wind: exceptionally light
29°Cnear normal
usually 28°C–30°C
night: exceptionally cool
rain: more rain than usual
wind: exceptionally light
How warm was this week in previous years?
Each bar shows the average daily high during the same 7-day period in each year.
cooler yearstypical rangewarmer years2026 forecastcurrent forecast
From 1981 to 2025, the 5-11 Sept period averaged 29°C by day. The coolest year was 1984 (28°C) and the warmest was 1989 (30°C). The current forecast averages 30°C - higher than in 80% of historical years.
Historical reference: NASA POWER daily gridded data (MERRA-2), the 1991-2020 normal and a +/- 7-day calendar window. The typical range is the 20th-80th percentile. This is not a city weather-station reading and does not change the current forecast. NASA POWER Daily API.
14-day forecast - Nha Trang
Nha Trang 30 & 45-day weather - long-range outlook
Next 16 days · forecast
29°
around 26° at night · days with rain: 13
Weeks 3-4 · avg for September
32°
around 26° at night · rain chance 30%
Weeks 5-7 · avg for October
30°
around 25° at night · rain chance 39%
The 30 & 45-day outlook for Nha Trang: the next 16 days are a numerical forecast updated daily - on average 29° by day and 26° at night. Further out we rely on multi-year climate averages: around 32° in September, and about 30° in October. Forecasts beyond two weeks are indicative only.
Day-by-day forecast for Nha Trang
Saturday5 September 2026
🌧️31°moderate rain
Sunday6 September 2026
🌧️31°moderate rain
Monday7 September 2026
🌧️32°light rain
Tuesday8 September 2026
🌧️31°light rain
Wednesday9 September 2026
🌧️28°light rain
Thursday10 September 2026
🌧️25°moderate rain
Friday11 September 2026
🌧️29°moderate rain
Saturday12 September 2026
🌧️25°light rain
Sunday13 September 2026
🌧️30°light rain
Monday14 September 2026
🌧️26°light rain
Tuesday15 September 2026
🌧️29°light rain
Wednesday16 September 2026
🌧️30°light rain
Thursday17 September 2026
🌧️31°light rain
Friday18 September 2026
🌧️28°light rain
Saturday19 September 2026
🌧️28°light rain
Sunday20 September 2026
🌧️26°light rain
UV index in Nha Trang - is it safe to sunbathe?
Today the UV index in Nha Trang is 8 (high) - unprotected fair skin can burn in about 25 minutes. SPF 30-50, a hat and sunglasses are a must. Better stay in shade between 11:00 and 15:00.
Sea temperature - Nha Trang
Water today
30°C
Week avg
30°C
Waves today
0.5 m
How's the water?
very warm
16-day sea temperature forecast:
Average sea temperature through the year:
Sea-surface temperature from marine models, updated daily. See also: where the sea is warmest right now.
Air quality and smog in Nha Trang
Air quality in Nha Trang is currently very good. Fine particulate PM2.5: 8.3 µg/m³, PM10: 10.2 µg/m³.
| City | PM2.5 (µg/m³) | PM10 (µg/m³) | Air quality |
|---|---|---|---|
| Nha Trang | 8.3 | 10.2 | very good |
Based on PM2.5 thresholds. Station readings, updated daily (last reading: 2026-09-05, 08:00).
Nha Trang weather through the year
Warmest, driest months on average: January, February, March, December.
Upcoming public holidays in Vietnam: New Year's Day — 1 January · Reunification Day — 30 April · Labour Day — 1 May.
Nearby and related places
FAQ - Nha Trang weather
What is the weather like in Nha Trang today?
Today it is about 31° during the day and 26° at night, moderate rain.
How far ahead can I check the forecast for Nha Trang?
This page shows a detailed 14-day forecast plus the long-term monthly climate, so you can plan both a short trip and a holiday months ahead.