worldweather30°Cwarmer than usual
usually 27°C–30°C
warmer than 70% of similar days
night: warmer than usual
rain: typical rainfall
wind: typical
Weather in Nagoya - 14-day forecast
Detailed weather forecast for Nagoya, Japan: daytime and night temperature, rain, sunrise and sunset - today and for the next two weeks.
Forecast for the next days in Nagoya
today🌧️
30°💧 4.4 mm
Sun🌧️
27°💧 15.5 mm
Mon🌧️
22°💧 19.8 mm
Tue🌧️
29°💧 5.9 mm
Wed🌧️
26°💧 20.6 mm
Thu🌧️
21°💧 25.2 mm
Fri🌧️
22°💧 5.5 mm
Sat☁️
29°💧 0.1 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.
Thursday 10 Sept in Nagoya, the forecast high is 21°C. Typical daytime temperatures at this time of year range from 27°C to 30°C, so it will be exceptionally cool. It is cooler than 100% of similar days.
27°Ccooler than usual
usually 27°C–30°C
cooler than 82% of similar days
night: near normal
rain: more rain than usual
wind: typical
22°Cexceptionally cool
usually 27°C–30°C
cooler than 99% of similar days
night: near normal
rain: exceptionally wet
wind: typical
29°Cnear normal
usually 27°C–30°C
night: exceptionally warm
rain: more rain than usual
wind: lighter than usual
26°Ccooler than usual
usually 27°C–30°C
cooler than 87% of similar days
night: near normal
rain: exceptionally wet
wind: typical
21°Cexceptionally cool
usually 27°C–30°C
cooler than 100% of similar days
night: cooler than usual
rain: exceptionally wet
wind: lighter than usual
22°Cexceptionally cool
usually 27°C–30°C
cooler than 99% of similar days
night: near normal
rain: typical rainfall
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 1981 (25°C) and the warmest was 1994 (32°C). The current forecast averages 25°C - lower than in 98% 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Historical reference: NASA POWER daily gridded data (MERRA-2), the 1991-2020 normal and a +/- 7-day calendar window.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 - Nagoya
Nagoya 30 & 45-day weather - long-range outlook
Next 16 days · forecast
27°
around 24° at night · days with rain: 14
Weeks 3-4 · avg for September
26°
around 21° at night · rain chance 53%
Weeks 5-7 · avg for October
20°
around 16° at night · rain chance 41%
The 30 & 45-day outlook for Nagoya: the next 16 days are a numerical forecast updated daily - on average 27° by day and 24° at night. Further out we rely on multi-year climate averages: around 26° in September, and about 20° in October. Forecasts beyond two weeks are indicative only.
Day-by-day forecast for Nagoya
Saturday5 September 2026
🌧️30°moderate rain
Sunday6 September 2026
🌧️27°moderate rain
Monday7 September 2026
🌧️22°heavy rain
Tuesday8 September 2026
🌧️29°moderate rain
Wednesday9 September 2026
🌧️26°moderate rain
Thursday10 September 2026
🌧️21°heavy rain
Friday11 September 2026
🌧️22°moderate rain
Saturday12 September 2026
☁️29°broken clouds
Sunday13 September 2026
🌧️27°light rain
Monday14 September 2026
☁️30°overcast clouds
Tuesday15 September 2026
🌧️31°moderate rain
Wednesday16 September 2026
🌧️29°moderate rain
Thursday17 September 2026
🌧️29°light rain
Friday18 September 2026
☁️28°overcast clouds
Saturday19 September 2026
🌧️27°light rain
Sunday20 September 2026
🌧️27°moderate rain
UV index in Nagoya - is it safe to sunbathe?
Today the UV index in Nagoya is 7 (high) - unprotected fair skin can burn in about 30 minutes. SPF 30-50, a hat and sunglasses are a must. Better stay in shade between 11:00 and 15:00.
Sea temperature - Nagoya
Water today
29°C
Week avg
29°C
Waves today
0.1 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 Nagoya
Air quality in Nagoya is currently very good. Fine particulate PM2.5: 10.3 µg/m³, PM10: 10.7 µg/m³.
| City | PM2.5 (µg/m³) | PM10 (µg/m³) | Air quality |
|---|---|---|---|
| Nagoya | 10.3 | 10.7 | very good |
Based on PM2.5 thresholds. Station readings, updated daily (last reading: 2026-09-05, 10:00).
Nagoya weather through the year
Warmest, driest months on average: April, May, June, September.
Upcoming public holidays in Japan: Respect for the Aged Day — 21 September · Citizen's Holiday — 22 September · Autumnal Equinox Day — 23 September. Full calendar and travel notes
Nearby and related places
FAQ - Nagoya weather
What is the weather like in Nagoya today?
Today it is about 30° during the day and 24° at night, moderate rain.
How far ahead can I check the forecast for Nagoya?
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.