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Weather in La Forteresse

Isère (38) · 338 inhabitants · Wednesday, October 28 · updated 12:05

Air: Fair
Overcast
11°
Overcast
Feels like 11°C
Wind
15 km/h
Gusts
33 km/h
Humidity
86 %
Pressure
1026 hPa
Clouds
100 %
Storm
No
Rise 07:11 Set 17:32 Day 10 h 20 min UV 1 · Low

Detailed forecast

Trend
Afternoon
Overcast
Overcast
12°11°
Feels like 12°
Wind ↑ N 15 km/h
Gusts 33 km/h
Humidity 81 %
Evening
Overcast
Overcast
11°8°
Feels like 11°
Wind ↑ N 13 km/h
Gusts 34 km/h
Humidity 80 %
13:00
Overcast
11°
N 15
16:00
Overcast
12°
N 15
19:00
Overcast
11°
N 13
22:00
Partly cloudy
8°
NW 5

Weather charts for La Forteresse · 7 days

Temperatures over 7 days

▼ -1.5° below seasonal normals this week
Highs Lows Seasonal normal (1991-2020 average)
-1°3°7°11°15°TodayThuFriSatSunMonTue9°1°Wed 28 Oct: max 12° · min 8° · normal 9.5°Thu 29 Oct: max 12° · min 7° · normal 9.3°Fri 30 Oct: max 13° · min 6° · normal 9.1°Sat 31 Oct: max 11° · min 3° · normal 8.9°Sun 1 Nov: max 10° · min 3° · normal 8.9°Mon 2 Nov: max 10° · min 1° · normal 8.7°Tue 3 Nov: max 9° · min 1° · normal 8.5°

Hourly detail

WedThuFriSatSunMonTueWed-1°7°15°13°1°02
Temperature (°C) Precipitation (mm) Wind (km/h)

Air quality & pollen in La Forteresse

2/6
Fair
European Air Quality Index (EAQI) · CAMS source
PM2.511µg/m³
PM1014µg/m³
O₃47µg/m³
NO₂8µg/m³
SO₂0µg/m³

Pollen

AlderNone
BirchNone
GrassNone
MugwortNone
OliveNone
RagweedNone

CAMS data (Copernicus) · air quality and pollen refreshed several times a day.

Rain in La Forteresse: live radar and next-hour forecast

Will it rain in La Forteresse? Track precipitation live on the radar and anticipate showers in the next hour — the +1 h extrapolation is based on the real movement of rain cells.

Full-screen radar · rain within the hour
Rain radar Observed, then extrapolation up to +1h (real cell movement) · drag the timeline

Moon calendar for La Forteresse

Waning gibbous
93 % illuminated · 17.3 days
Rise 04:22 Set 21:29
Thu 29/10 87%
Fri 30/10 79%
Sat 31/10 69%
Sun 1/11 59%
Mon 2/11 49% Last quarter
Tue 3/11 38%
Wed 4/11 28%
Thu 5/11 19%
Fri 6/11 12%
Sat 7/11 6%
Sun 8/11 2%
Mon 9/11 0%

Rise and set in local time (Europe/Paris) · phases and illumination computed by SkiesAtlas (synodic model).

Weather history for La Forteresse

What was the weather in La Forteresse on a past date? Pick a day — ERA5 reanalysis data (ECMWF / Copernicus C3S), available up to one week ago.

The weather in La Forteresse

Find the full weather for La Forteresse, Isère (38): current conditions, forecast by time of day (morning, afternoon, evening) and a 7-day trend. Right now the sky is “overcast” with 11 °C (feels like 11 °C) and wind at 15 km/h.

Today, temperatures range from 8 °C to 12 °C, with no significant precipitation. Forecast computed by our multi-model engine SkiesAtlas (ECMWF-AIFS, NOAA GFS, DWD ICON): cloud cover calibrated on METAR observations, convective energy (CAPE) for storms.

Nearby cities

Grenoble 27 km 12° Valence 57 km 14° Chambéry 50 km 11° Saint-Priest 58 km 12° Saint-Martin-d'Hères 31 km 11° Échirolles 29 km 10° Romans-sur-Isère 38 km 13° Aix-les-Bains 59 km 11° Vienne 48 km 12° Bourgoin-Jallieu 36 km 11° Fontaine 24 km 12° Voiron 17 km 11°

Weather API for La Forteresse

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How is this forecast computed? Multi-model engine, verified daily against 1125 weather stations