Weather in Nantes - 14-day forecast

Detailed weather forecast for Nantes, France: daytime and night temperature, rain, sunrise and sunset - today and for the next two weeks.

Forecast for the next days in Nantes

today☀️ 37°💧 11.8 mm

Thu🌤️ 38°💧 7.7 mm

Fri🌧️ 38°💧 0.5 mm

Sat🌧️ 38°💧 4.8 mm

Sun🌧️ 37°💧 0.7 mm

Mon☁️ 37°💧 2.9 mm

Tue☁️ 40°💧 1.1 mm

Wed🌧️ 35°💧 1.3 mm

⚠️ Weather warnings - Nantes

✅ No active weather warnings for Nantes (region: Loire Atlantique). The national weather service is not forecasting dangerous conditions.

14-day forecast - Nantes

📅 Nantes 30 & 45-day weather - long-range outlook

Next 16 days · forecast

32°

around 21° at night · days with rain: 12

Weeks 3-4 · avg for July

25°

around 14° at night · rain chance 45%

Weeks 5-7 · avg for August

25°

around 13° at night · rain chance 34%

The 30 & 45-day outlook for Nantes: the next 16 days are a numerical forecast updated daily - on average 32° by day and 21° at night. Further out we rely on multi-year climate averages: around 25° in July, and about 25° in August. Forecasts beyond two weeks are indicative only.

Day-by-day forecast for Nantes

Wednesday8 July 2026

☀️37°clear sky

sunrise 06:19 · sunset 22:03 · night 25° · evening 37° · rain 11.76 mm · humidity 12% · wind 5 m/s · clouds 4%

Thursday9 July 2026

🌤️38°scattered clouds

sunrise 06:20 · sunset 22:03 · night 30° · evening 39° · rain 7.68 mm · humidity 14% · wind 6 m/s · clouds 43%

Friday10 July 2026

🌧️38°light rain

sunrise 06:20 · sunset 22:02 · night 28° · evening 39° · rain 0.51 mm · humidity 13% · wind 8 m/s · clouds 11%

Saturday11 July 2026

🌧️38°moderate rain

sunrise 06:21 · sunset 22:02 · night 23° · evening 21° · rain 4.8 mm · humidity 18% · wind 10 m/s · clouds 52%

Sunday12 July 2026

🌧️37°light rain

sunrise 06:22 · sunset 22:01 · night 24° · evening 34° · rain 0.73 mm · humidity 19% · wind 8 m/s · clouds 2%

Monday13 July 2026

☁️37°broken clouds

sunrise 06:23 · sunset 22:00 · night 23° · evening 30° · rain 2.88 mm · humidity 19% · wind 6 m/s · clouds 79%

Tuesday14 July 2026

☁️40°broken clouds

sunrise 06:24 · sunset 21:59 · night 23° · evening 33° · rain 1.14 mm · humidity 14% · wind 8 m/s · clouds 60%

Wednesday15 July 2026

🌧️35°light rain

sunrise 06:25 · sunset 21:59 · night 18° · evening 23° · rain 1.29 mm · humidity 28% · wind 9 m/s · clouds 45%

Thursday16 July 2026

🌧️27°light rain

sunrise 06:26 · sunset 21:58 · night 18° · evening 22° · rain 1.32 mm · humidity 41% · wind 8 m/s · clouds 60%

Friday17 July 2026

🌤️31°a few clouds

sunrise 06:27 · sunset 21:57 · night 20° · evening 25° · rain 2.31 mm · humidity 26% · wind 10 m/s · clouds 12%

Saturday18 July 2026

☀️30°clear sky

sunrise 06:28 · sunset 21:56 · night 18° · evening 26° · rain 1.59 mm · humidity 29% · wind 7 m/s · clouds 1%

Sunday19 July 2026

☁️31°overcast clouds

sunrise 06:29 · sunset 21:55 · night 17° · evening 24° · rain 1.11 mm · humidity 25% · wind 7 m/s · clouds 93%

Monday20 July 2026

🌧️23°light rain

sunrise 06:30 · sunset 21:54 · night 16° · evening 19° · rain 5.7 mm · humidity 58% · wind 10 m/s · clouds 28%

Tuesday21 July 2026

🌧️22°moderate rain

sunrise 06:31 · sunset 21:53 · night 16° · evening 20° · rain 8.67 mm · humidity 51% · wind 11 m/s · clouds 62%

Wednesday22 July 2026

☁️21°broken clouds

sunrise 06:32 · sunset 21:52 · night 14° · evening 20° · humidity 43% · wind 7 m/s · clouds 64%

Thursday23 July 2026

☁️18°overcast clouds

sunrise 06:34 · sunset 21:51 · night 22° · evening 22° · humidity 56% · wind 3 m/s · clouds 100%

☀️ UV index in Nantes - is it safe to sunbathe?

Today the UV index in Nantes 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.

🌿 Pollen in Nantes - info for allergy sufferers

Today grasses pollen is highest in Nantes - about 46 grains/m³, high level. Allergy sufferers should limit time outdoors on dry, windy days and take medication as advised. Pollen levels are a CAMS model forecast and are indicative.

Air quality and smog in Nantes

Air quality in Nantes is currently very good. Fine particulate PM2.5: 4.8 µg/m³, PM10: 6.8 µg/m³.

City	PM2.5 (µg/m³)	PM10 (µg/m³)	Air quality
Lille	10.8	16.6	very good
Marseille 02	8.7	14	very good
Nicea	8.5	13.1	very good
Bordeaux	7.9	10	very good
Rennes	6.2	11.2	very good
Montpellier	5.8	7.4	very good
Hawr	5.3	10.8	very good
Tulon	5.2	6.6	very good
Lyon	5.1	7.6	very good
Grenoble	5.1	7.6	very good
Nîmes	5	7.6	very good
Saint-Étienne	4.8	6.5	very good
Nantes	4.8	6.8	very good
Reims	4.3	6.3	very good
Paris	4.2	7.8	very good

Based on PM2.5 thresholds. Station readings, updated daily (last reading: 2026-07-08, 03:00).

Nantes weather through the year

Warmest, driest months on average: April, May, June, July.

🎉 Public holidays in Nantes - when are the long weekends?

Next long weekend in Nantes: Bastille Day (14 July, Tuesday) - Saturday–Tuesday if you take Monday off (4 days).

14 JulyTuesday

Bastille Day

🎈 long weekend + bridge day

15 AugustSaturday

Assumption Day

falls on a weekend

1 NovemberSunday

All Saints' Day

falls on a weekend

11 NovemberWednesday

Armistice Day

25 DecemberFriday

Christmas Day

🎈 long weekend

1 JanuaryFriday 2027

New Year's Day

🎈 long weekend

29 MarchMonday 2027

Easter Monday

🎈 long weekend

1 MaySaturday 2027

Labour Day

falls on a weekend

6 MayThursday 2027

Ascension Day

🎈 long weekend + bridge day

8 MaySaturday 2027

Victory in Europe Day

falls on a weekend

17 MayMonday 2027

Whit Monday

🎈 long weekend

14 JulyWednesday 2027

Bastille Day

Public holidays (statutory days off) - shops, offices and some attractions may be closed. A "bridge day" is a workday between a holiday and the weekend worth taking as leave.

FAQ - Nantes weather

What is the weather like in Nantes today?

Today it is about 37° during the day and 25° at night, clear sky.

How far ahead can I check the forecast for Nantes?

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.