14 day weather forecast

Nantes weather August 2026 — 14 day forecast · France

21°

cloudy · feels like 20°

Updated at
  • Live from Open-Meteo
  • Refreshed several times a day
  • 14 days ahead
  • No tracking · free
Warmest day
Saturday 5 Sept
28°C
highest maximum
Wettest day
Monday 31 Aug
5.5 mm
20% chance
Most sunshine
Wednesday 2 Sept
12.6 hours
of sunshine
Trend
14 days
Steady
Around 24° over the next 14 days

The next 14 days

swipe →
Avg max, 3 days
23.0°C
Coldest night
14°C
Most sunshine
12.6 h
Wind from
the west

Overview table · August 2026

Nantes 14 day forecast, day by day

The table below shows the full 14 day weather forecast for Nantes (France): the maximum and minimum temperature, rainfall in millimetres, the chance of rain, humidity, hours of sunshine and the UV index per day. Across the next two weeks the maximum temperature in Nantes averages around 24°C and the minimum around 17°C, with roughly 10 mm of rain in total, 11 dry days and about 151 hours of sunshine.

Last updated:

14 day weather forecast for Nantes (France) per day: temperature, rainfall, chance of rain, humidity, sunshine hours and UV index. Updated in August 2026.
DayWeatherMaxMinRainChanceHumiditySunUV
Saturday29 AugLight rain23°C19°C1.4 mm100%83%3.1 h5moderate
Sunday30 AugLight rain23°C18°C0.2 mm28%78%9.2 h6high
Monday31 AugShowers23°C18°C5.5 mm20%70%12 h6high
Tuesday1 SeptCloudy24°C14°C0 mm0%57%12 h6high
Wednesday2 SeptCloudy23°C14°C0 mm0%68%12.6 h6high
Thursday3 SeptCloudy23°C16°C0 mm0%82%10.1 h6high
Friday4 SeptCloudy26°C17°C0 mm0%81%12.6 h6high
Saturday5 SeptCloudy28°C16°C0 mm4%72%12.6 h6high
Sunday6 SeptCloudy27°C18°C0 mm10%73%12.1 h5moderate
Monday7 SeptLight rain25°C17°C0.6 mm6%79%12 h3moderate
Tuesday8 SeptLight rain24°C19°C2.4 mm20%81%7.1 h1low
Wednesday9 SeptCloudy27°C17°C0 mm11%80%12.1 h5moderate
Thursday10 SeptCloudy21°C17°C0 mm20%76%11.7 h5moderate
Friday11 SeptCloudy22°C14°C0 mm6%62%12 h5moderate

The first three to five days of the forecast for Nantes are the most reliable; from day seven onwards it is an indicative trend. Click a day in the overview above for hourly detail. Source: Open-Meteo (Met Office, DWD, ECMWF).

Background & outlook

The weather in Nantes

Current conditions and the 14 day forecast

Nantes lies in France, an area with a maritime climate: mild winters, cool summers, changeable skies and rain spread across the whole year. That is exactly why a two-week outlook is useful here — it shows the pattern rather than one snapshot.

What is the weather like in Nantes right now?

It is currently 21°C in Nantes with cloudy. It feels like 20°C, humidity is 89% and the wind is SW 27 km/h.

Today (Saturday) reaches a maximum of 23°C and a minimum of 19°C, with 1.4 mm of rain and 3.1 hours of sunshine. Sunrise is at 07:21 and sunset at 20:52.

Nantes weather tomorrow

Tomorrow (Sunday) the maximum temperature in Nantes is 23°C and the minimum 18°C. Around 0.2 mm of rain is expected with 9.2 hours of sunshine, and the chance of rain is 28%. The data is refreshed several times a day through Open-Meteo.

Nantes weather this week and next week

Over the coming week the average maximum temperature in Nantes sits around 24°C and the average minimum around 17°C. Roughly 7.1 mm of rain is expected, spread across 2 days, with 0 largely sunny days.

The warmest day in the 14 day forecast for Nantes is Saturday 5 Sept at 28°C. The coldest night falls on Tuesday 1 Sept at 14°C. Click any day for hourly detail.

Rain, sunshine and UV in Nantes

A daily rainfall total says little on its own: the same 5 mm can be one short downpour or a grey day of drizzle, which is why the hourly chart above is often the more useful of the two. Over the next fortnight the highest UV index for Nantes is 6 — high enough to warrant sun protection in the middle of the day.

How reliable is a 14 day forecast?

The first three to five days are generally very accurate. After that the certainty drops off and it is better read as a trend than as an exact daily prediction. Our data comes from Open-Meteo, which combines national weather models — among them the Met Office, DWD and ECMWF — and recomputes them several times a day using measurements from stations worldwide.

Forecast for Nantes last updated: 29 August 2026 at 14:25. See also all France forecasts and the European weather map.

Frequently asked questions

Questions about the weather in Nantes

What is the weather like in Nantes in August 2026?

The forecast at the top of this page shows the current temperature in Nantes plus the maximum and minimum for each of the next 14 days, with rainfall, chance of rain, sunshine hours and UV index. It is refreshed several times a day.

How accurate is the 14 day forecast for Nantes?

The first three to five days for Nantes are highly reliable. From day six onwards, read the forecast as a trend: it shows whether it turns warmer, cooler, wetter or drier rather than an exact value for that day.

Will it rain in Nantes this week?

The rainfall chart on this page gives the expected millimetres per day for Nantes, and each day card shows the chance of rain as a percentage. Below 20% with several hours of sunshine is a genuinely dry day.

How warm does it get in Nantes over the next two weeks?

The temperature chart shows the maximum and minimum for every one of the next 14 days in Nantes. The overview table underneath repeats the same figures day by day, together with the average across the fortnight.

Can I see the weather in Nantes hour by hour?

Yes. The hourly chart covers the next 48 hours in Nantes with temperature, feels-like temperature and chance of rain. Clicking any of the 14 days opens a panel with night, morning, afternoon and evening detail.

Where does the Nantes forecast come from?

The data for Nantes (France, France) comes from Open-Meteo, which combines national weather models such as those of the Met Office, DWD, Météo-France and ECMWF and recomputes them several times a day.

What does the UV index for Nantes mean?

The UV index runs from 0 to 11+. Up to 2 is low, 3 to 5 moderate, 6 to 7 high and 8 or more very high. From 6 upwards it is worth using sun protection in the middle of the day, even when it does not feel especially hot.

Is the Nantes weather forecast free?

Yes. The full 14 day forecast for Nantes is free, needs no account and carries no adverts inside the charts.