Weather in Nantes Today

Live

Current temperature in Nantes: 17°C (63°F). Mainly Clear. Today's high 24°C (75°F), low 15°C (59°F).

Live · Current ConditionsDay
17°
Mainly Clear
RealFeel® 17°C
73%Humid
High24°
Low15°
4km/hWSWWind fromWest-South-West→↗· Max 13
Light Breeze · Gusts 30 km/h
City
00:00AM
UTC+0:00
Sunrise ·
Sunset ·

Today's Daylight Forecast

Partly cloudy
Fri, Sep 119:30 AMDay
12h 48m daylight today24h view
Sunrise7:38 AMDawn 7:08 AM
Daylight remaining10h 56mNoon 2:02 PMTotal 12h 48m
Sunset8:26 PMDusk 8:56 PM
NowPartly cloudy+17°C

Moon & Islamic Calendar

Health & Activity Advice
✅ Good for OutdoorsAQI 18 · Good

Air quality and UV are both favourable great conditions for a walk, run, or outdoor activity.

5-Day Weather Forecast

Full 15-Day Forecast

Atmospheric Details

Wind
4 km/h
WSW · Light Breeze · Max 13 km/h
Humidity
73 %
High · feels muggy
UV Index
5
Moderate
Visibility
16 km
Excellent
Pressure
1019 hPa
Stable
Dew Point
12°C
Comfortable

Today vs Normal

24°C+2° above normal

The long-term average high for today is 22°C.

21 of the last 28 days with published data ran above normal.

It continues that pattern - today's forecast is also running above normal.

2026-08-28: 23°C23°2026-08-29: 22°C22°2026-08-30: 23°C23°2026-08-31: 24°C24°2026-09-01: 24°C24°2026-09-02: 25°C25°2026-09-03: 27°C27°2026-09-04: 27°C27°2026-09-05: 26°C26°2026-09-06: 31°C31°2026-09-07: 26°C26°2026-09-08: 22°C22°

Red = above normal, blue = at or below · last 12 days

Air Quality

Air Quality
Good

Air quality is considered satisfactory, and air pollution poses little or no risk. It’s a good day to be active outside.

Health & Activity Advice

✅ Good for Outdoors

UV index is 5 today — moderate. Sunscreen is worth using for extended time outside, but no special precautions are needed for short trips.

Air quality is considered satisfactory, and air pollution poses little or no risk. It’s a good day to be active outside.

Conditions are comfortable for outdoor activity at most points during the day today.

Nearby Regional Outlook

Nantes Weather Radar

Live precipitation · Cloud cover · Wind

View live radar →

Frequently Asked Questions

What is the hottest month in Nantes?

The hottest month in Nantes is typically August, with daytime highs averaging around 25.2°C (77°F), based on 10 years of historical weather data. Overnight lows during this period average near 15.9°C (61°F).

What is the coldest month in Nantes?

The coldest month in Nantes is typically January, with overnight lows averaging around 4°C (39°F) and daytime highs near 9.2°C (49°F), based on 10 years of historical weather data.

Does Nantes have a rainy season?

Nantes doesn't have a sharply defined rainy season rainfall is fairly spread across the year based on 10 years of historical data. October is the wettest month on average (about 106 mm), while August is the driest (about 40 mm).

What's the best time of year to visit Nantes?

The best time to visit Nantes is typically June to September, when daytime highs average a comfortable 23.9°C (75°F). Rainfall during this window averages around 52 mm, one of the lighter, more comfortable stretches of the year. This is based on 10 years of historical weather data.

Is Nantes's air quality safe right now?

As of the latest reading, Nantes's air quality index (AQI) is 18, rated "Good", based on the nearest monitoring station. Air quality is considered satisfactory, with little to no health risk.