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La Roche-sur-Yon weather

Vendée (85) · 54,849 inhabitants · Thursday, October 29 · updated 19:08

Mainly clear
11°
Mainly clear
Feels like 11°C
Wind
9 km/h
Gusts
16 km/h
Humidity
75 %
Pressure
1024 hPa
Clouds
49 %
Storm
No
Rise 07:43 Set 17:55 Day 10 h 12 min UV 1 · Low

Morning, afternoon, evening

Trend
Evening
Mainly clear
Mainly clear
11°9°
Feels like 11°
Wind ↑ ENE 9 km/h
Gusts 16 km/h
Humidity 75 %
19:00
Mainly clear
11°
ENE 9
22:00
Mainly clear
9°
ENE 8

La Roche-sur-Yon forecast in charts · next 7 days

The week ahead: highs and lows

▼ This week runs -2.6° cooler than usual
Highs Lows Usual for the season (1991–2020 average)
2°6°10°13°17°TodayFriSatSunMonTueWed13°4°Thu 29 Oct: max 15° · min 7° · normal 12.1°Fri 30 Oct: max 13° · min 7° · normal 11.9°Sat 31 Oct: max 13° · min 7° · normal 11.8°Sun 1 Nov: max 12° · min 6° · normal 11.8°Mon 2 Nov: max 12° · min 5° · normal 11.6°Tue 3 Nov: max 11° · min 4° · normal 11.5°Wed 4 Nov: max 13° · min 4° · normal 11.3°

Hourly detail

ThuFriSatSunMonTueWedThu2°10°17°16°4°03
Temperature (°C) Rain (mm) Wind (km/h)

La Roche-sur-Yon climate: what a normal year looks like

From 15 h 51 min of daylight in late June to 8 h 33 min in late December.

There is no real dry season: monthly rainfall stays between 43 mm and 90 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)
MonthTypical highTypical lowRainfall
Jan9 °C3 °C83 mm
Feb10 °C4 °C64 mm
Mar13 °C5 °C60 mm
Apr15 °C7 °C61 mm
May19 °C11 °C66 mm
Jun22 °C14 °C50 mm
Jul24 °C15 °C43 mm
Aug25 °C15 °C49 mm
Sep21 °C12 °C56 mm
Oct17 °C10 °C84 mm
Nov13 °C7 °C87 mm
Dec9 °C4 °C90 mm
Whole year16 °C9 °C790 mm

Source: our own processing of the ERA5 reanalysis (Copernicus/ECMWF) for 46.67° N, 1.42° 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 La Roche-sur-Yon: pollution and pollen

1/6
Good
European Air Quality Index (EAQI), from Copernicus CAMS
PM2.510µg/m³
PM1017µg/m³
O₃47µg/m³
NO₂5µg/m³
SO₂0µg/m³

Pollen

AlderNone
BirchNone
GrassNone
MugwortNone
OliveNone
RagweedNone

Copernicus CAMS model, updated several times a day.

Rain radar around La Roche-sur-Yon

Rain observed over the last two hours by official weather radars around La Roche-sur-Yon, followed by the radar forecast for the next hour where the weather service provides one.

Full-screen rain radar and next-hour rain on RainAtlas
Rain radar Last two hours, then forecast where available · drag the timeline

Moon over La Roche-sur-Yon

Waning gibbous
87 % illuminated · 18.3 days
Rise 05:39 Set 23:08
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%
Tue 10/11 1% New moon

Moonrise and moonset in local time (Europe/Paris); phase and lit fraction from a synodic calculation.

Look up a past day in La Roche-sur-Yon

Curious about the weather in La Roche-sur-Yon on a given day? Choose a date: we read it from the ERA5 reanalysis (ECMWF / Copernicus C3S), which runs until about a week ago.

La Roche-sur-Yon weather at a glance

This page gathers everything about the weather in La Roche-sur-Yon, Vendée (85): 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 11 °C (feels like 11 °C) and the wind blows at 9 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.

La Roche-sur-Yon weather data for developers

Use the La Roche-sur-Yon 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.

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Where does this forecast come from? Our engine, checked every day against 1125 weather stations