11-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 7°
Wind↑ SSE 3 km/h
Humidity 67 %
💧 0.1 mm
Evening
Rain
8°
Feels like 7°
Wind↑ SSE 8 km/h
Gusts16 km/h
Humidity 99 %
💧 14.6 mm
12-day outlook — past day 10 this is an outlook from the end of the GFS run: expect differences of several degrees.
Morning
Rain
10°
Feels like 9°
Wind↑ SSE 8 km/h
Gusts17 km/h
Humidity 95 %
💧 6.9 mm
Evening
Rain
5°
Feels like 3°
Wind↑ NW 8 km/h
Humidity 97 %
💧 15.1 mm
13-day outlook — past day 10 this is an outlook from the end of the GFS run: expect differences of several degrees.
Morning
Light rain
2°
Feels like -1°
Wind↑ NNW 7 km/h
Gusts13 km/h
Humidity 100 %
💧 4.8 mm
Evening
Drizzle
2°
Feels like -1°
Wind↑ NNE 9 km/h
Gusts17 km/h
Humidity 95 %
💧 0.3 mm
14-day outlook — past day 10 this is an outlook from the end of the GFS run: expect differences of several degrees.
Morning
Partly cloudy
1°
Feels like -1°
Wind↑ N 6 km/h
Humidity 97 %
Grenoble forecast in charts · next 7 days
The week ahead: highs and lows
≈ A week close to the usual temperatures
Highs Lows Usual for the season (1991–2020 average)
Hourly detail
Temperature (°C) Rain (mm) Wind (km/h)
Grenoble climate: what a normal year looks like
Nights typically freeze from December to March, the coldest averaging −5 °C in January.
From 15 h 38 min of daylight in late June to 8 h 44 min in late December.
The hottest stretch is August, when afternoons average 23 °C; the coldest is January, when nights average −5 °C. Between those two months the average temperature changes by 18 °C.
There is no real dry season: monthly rainfall stays between 105 mm and 149 mm on average.
Forecast highs for the coming week average 11 °C, 3 °C cooler than a normal October (14 °C).
30-year averages (1991–2020)
Month
Typical high
Typical low
Rainfall
Jan
3 °C
−5 °C
122 mm
Feb
5 °C
−3 °C
105 mm
Mar
8 °C
0 °C
111 mm
Apr
12 °C
3 °C
124 mm
May
16 °C
7 °C
149 mm
Jun
20 °C
11 °C
128 mm
Jul
22 °C
12 °C
114 mm
Aug
23 °C
12 °C
109 mm
Sep
18 °C
8 °C
114 mm
Oct
14 °C
5 °C
122 mm
Nov
8 °C
0 °C
145 mm
Dec
4 °C
−3 °C
136 mm
Whole year
13 °C
4 °C
1,480 mm
Source: our own processing of the ERA5 reanalysis (Copernicus/ECMWF) for 45.18° N, 5.72° E, 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 Grenoble: pollution and pollen
2/6
Fair
European Air Quality Index (EAQI), from Copernicus CAMS
PM2.514µg/m³
PM1019µg/m³
O₃36µg/m³
NO₂15µg/m³
SO₂1µg/m³
Pollen
AlderNone
BirchNone
GrassNone
MugwortNone
OliveNone
RagweedNone
Copernicus CAMS model, updated several times a day.
Rain radar around Grenoble
Rain observed over the last two hours by official weather radars around Grenoble, followed by the radar forecast for the next hour where the weather service provides one.
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Rain radarLast two hours, then forecast where available · drag the timeline
Moon over Grenoble
Waning gibbous
87 % illuminated · 18.3 days
Rise 05:18 Set 22:31
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.
Look up a past day in Grenoble
Curious about the weather in Grenoble on a given day? Choose a date: we read it from the ERA5 reanalysis (ECMWF / Copernicus C3S), which runs until about a week ago.
Grenoble weather at a glance
This page gathers everything about the weather in Grenoble, Isère (38): 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 13 °C (feels like 13 °C) and the wind blows at 4 km/h.
Expected range today: 7 °C to 13 °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.
Use the Grenoble 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.
