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Weather in Thiverval-Grignon

Yvelines (78) · 1 023 inhabitants · Monday, September 14 · updated 18h25

Air : Bon
Clear sky
28°
Clear sky
Feels like 31°C
Wind
5 km/h
Gusts
13 km/h
Humidity
40 %
Pressure
1022 hPa
Clouds
14 %
Storm
No
Rise 07h26 Set 20h09 Day 12h43 UV 6 · High

Detailed forecast

Trend
Evening
Clear sky
Clear sky
26°20°
Feels like 29°
Wind ↑ E 4 km/h
Humidity 50 %
20h
Clear sky
26°
N 3
23h
Clear sky
20°
E 4

Weather charts for Thiverval-Grignon · 7 days

Temperatures over 7 days

▲ +2.8° above seasonal normals this week
Highs Lows Seasonal normal (1991-2020 average)
8°14°20°26°32°Auj.MarMerJeuVenSamDim25°12°Lun 14 sept. : max 28° · min 14° · normale 16,1°Mar 15 sept. : max 30° · min 16° · normale 16°Mer 16 sept. : max 21° · min 11° · normale 15,8°Jeu 17 sept. : max 20° · min 10° · normale 15,7°Ven 18 sept. : max 21° · min 10° · normale 15,6°Sam 19 sept. : max 24° · min 16° · normale 15,4°Dim 20 sept. : max 25° · min 12° · normale 15,3°

Hourly detail

LunMarMerJeuVenSamDimLun8°20°32°30°10°02
Temperature (°C) Precipitation (mm) Wind (km/h)

Air quality & pollen in Thiverval-Grignon

1/6
Bon
European Air Quality Index (EAQI) · CAMS source
PM2.56µg/m³
PM109µg/m³
O₃38µg/m³
NO₂6µg/m³
SO₂1µg/m³

Pollen · dominant : Grass

AlderNul
BirchNul
GrassFaible
MugwortFaible
OliveNul
RagweedNul

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

Rain in Thiverval-Grignon: live radar and next-hour forecast

Will it rain in Thiverval-Grignon? 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 Thiverval-Grignon

Waxing crescent
9 % illuminated · 2,8 days
Rise 20h37 Set 05h07
Tue 15/9 16%
Wed 16/9 24%
Thu 17/9 34%
Fri 18/9 44%
Sat 19/9 55% First quarter
Sun 20/9 65%
Mon 21/9 75%
Tue 22/9 83%
Wed 23/9 90%
Thu 24/9 96%
Fri 25/9 99%
Sat 26/9 100% Full moon

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

Weather history for Thiverval-Grignon

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

The weather in Thiverval-Grignon

Find the full weather for Thiverval-Grignon, Yvelines (78): current conditions, forecast by time of day (morning, afternoon, evening) and a 7-day trend. Right now the sky is “clear sky” with 28 °C (feels like 31 °C) and wind at 5 km/h.

Today, temperatures range from 14 °C to 28 °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

Paris 30 km 26° Saint-Denis 33 km 26° Boulogne-Billancourt 23 km 26° Montreuil 38 km 26° Argenteuil 26 km 26° Nanterre 21 km 26° Vitry-sur-Seine 34 km 26° Asnières-sur-Seine 28 km 26° Créteil 39 km 26° Colombes 25 km 26° Aubervilliers 34 km 26° Aulnay-sous-Bois 43 km 26°

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