11-day outlook — past day 10 this is an outlook from the end of the GFS run: expect differences of several degrees.
Morning
Rain
11°
Feels like 11°
Wind↑ ESE 10 km/h
Gusts25 km/h
Humidity 99 %
💧 14.4 mm
Evening
Light rain
11°
Feels like 11°
Wind↑ NW 5 km/h
Humidity 97 %
💧 1.8 mm
12-day outlook — past day 10 this is an outlook from the end of the GFS run: expect differences of several degrees.
Morning
Overcast
7°
Feels like 4°
Wind↑ NNE 25 km/h
Gusts43 km/h
Humidity 81 %
Evening
Rain showers
9°
Feels like 7°
Wind↑ N 15 km/h
Gusts36 km/h
Humidity 81 %
💧 0.2 mm
13-day outlook — past day 10 this is an outlook from the end of the GFS run: expect differences of several degrees.
Morning
Overcast
8°
Feels like 7°
Wind↑ NNE 9 km/h
Gusts20 km/h
Humidity 81 %
Evening
Mainly clear
8°
Feels like 7°
Wind↑ NNE 8 km/h
Humidity 72 %
14-day outlook — past day 10 this is an outlook from the end of the GFS run: expect differences of several degrees.
Morning
Clear sky
4°
Feels like 2°
Wind↑ NE 9 km/h
Humidity 92 %
Nantes forecast in charts · next 7 days
The week ahead: highs and lows
▼ This week runs -2.2° cooler than usual
Highs Lows Usual for the season (1991–2020 average)
Hourly detail
Temperature (°C) Rain (mm) Wind (km/h)
Nantes climate: what a normal year looks like
From 15 h 56 min of daylight in late June to 8 h 28 min in late December.
There is no real dry season: monthly rainfall stays between 45 mm and 84 mm on average.
The hottest stretch is August, when afternoons average 25 °C; the coldest is January, when nights average 3 °C.
Even the coldest month, January, keeps nights above freezing on average (3 °C).
Forecast highs for the coming week average 13 °C, 4 °C cooler than a normal October (17 °C).
30-year averages (1991–2020)
Month
Typical high
Typical low
Rainfall
Jan
9 °C
3 °C
77 mm
Feb
10 °C
4 °C
60 mm
Mar
13 °C
5 °C
58 mm
Apr
15 °C
7 °C
62 mm
May
19 °C
10 °C
66 mm
Jun
22 °C
13 °C
50 mm
Jul
24 °C
15 °C
45 mm
Aug
25 °C
15 °C
51 mm
Sep
21 °C
12 °C
53 mm
Oct
17 °C
10 °C
78 mm
Nov
12 °C
6 °C
76 mm
Dec
9 °C
4 °C
84 mm
Whole year
16 °C
9 °C
760 mm
Source: our own processing of the ERA5 reanalysis (Copernicus/ECMWF) for 47.24° N, 1.56° W, 1991–2020. ERA5 averages over a 0.25° grid (about 25 km): hills, a coastline or the heat of the city itself can shift local values by a degree or two.
Air you breathe in Nantes: pollution and pollen
2/6
Fair
European Air Quality Index (EAQI), from Copernicus CAMS
PM2.511µg/m³
PM1020µg/m³
O₃42µg/m³
NO₂10µg/m³
SO₂1µg/m³
Pollen
AlderNone
BirchNone
GrassNone
MugwortNone
OliveNone
RagweedNone
Copernicus CAMS model, updated several times a day.
Rain radar around Nantes
Rain observed over the last two hours by official weather radars around Nantes, followed by the radar forecast for the next hour where the weather service provides one.
Rain radarLast two hours, then forecast where available · drag the timeline
Moon over Nantes
Waning gibbous
87 % illuminated · 18.3 days
Rise 05:36 Set 23:12
Fri30/1079%
Sat31/1069%
Sun1/1159%
Mon2/1149%Last quarter
Tue3/1138%
Wed4/1128%
Thu5/1119%
Fri6/1112%
Sat7/116%
Sun8/112%
Mon9/110%
Tue10/111%New moon
Moonrise and moonset in local time (Europe/Paris); phase and lit fraction from a synodic calculation.
Sea and tides near Nantes
Tide station used: Nantes Salorges · 4 km away
TodayThu 29/10
High range92
Low tide02:440.9 m
High tide06:575.8 m
Low tide15:050.8 m
High tide19:145.6 m
TomorrowFri 30/10
High range82
Low tide03:261.0 m
High tide07:335.6 m
Low tide15:500.9 m
High tide19:545.2 m
SatSat 31/10
High range70
Low tide04:111.1 m
High tide08:155.3 m
Low tide16:361.0 m
High tide20:404.8 m
SunSun 01/11
Mean tide58
Low tide04:581.3 m
High tide09:094.9 m
Low tide17:271.2 m
High tide21:484.4 m
Indicative heights above chart datum. Coefficient: 20 for the weakest tides, 120 for the strongest. · more tide detail on TidesAtlas
Look up a past day in Nantes
Curious about the weather in Nantes on a given day? Choose a date: we read it from the ERA5 reanalysis (ECMWF / Copernicus C3S), which runs until about a week ago.
Nantes weather at a glance
This page gathers everything about the weather in Nantes, Loire-Atlantique (44): conditions now, the forecast for each part of the day and the trend for the coming week. At the moment the sky is “mainly clear”, it is 12 °C (feels like 12 °C) and the wind blows at 8 km/h.
Expected range today: 7 °C to 15 °C and a dry sky. The forecast comes from the AtmoAtlas engine, which combines ECMWF-AIFS, NOAA GFS and DWD ICON, adjusts cloud cover with METAR reports and uses convective energy (CAPE) to flag storms, plus the tide times for Nantes Salorges.
Use the Nantes forecast in your own website or app: one JSON call returns weather, air quality, tides and sun and moon times. The free key needs no card.
