Official Meteorological TelemetryMeteoAlarm Advisory

MeteoAlarm Advisory: Heavy Precipitation Ahead

Significant moisture corridor approaching. Probability of localized street runoff and reduced visibility on transit corridors.

France•Île-de-France•Elev: 601m

Nanterre Hills & Summit

Monday, September 28, 2026

23°C
OvercastFeels like 22°
H: 26°•L: 18°•Rain: 3%
Meteorological Synthesis

Overcast with highs near 26°C.

Precipitation expected over the coming days with variable skies.

Wind
10 km/h
Humidity
54%
UV Index
2.35 / 11
Pressure
983 hPa

24-Hour Forecast & Meteogram

24 Hours Ahead
20°
0%
4k
10:00
20°
0%
18k
11:00
21°
0%
13k
12:00
23°
0%
9k
13:00
24°
0%
9k
14:00
26°
0%
11k
15:00
26°
0%
13k
16:00
26°
0%
15k
17:00
26°
0%
13k
18:00
25°
0%
9k
19:00
23°
0%
5k
20:00
22°
0%
4k
21:00
21°
0%
4k
22:00
20°
0%
2k
23:00
19°
0%
2k
00:00
19°
0%
3k
01:00
19°
0%
6k
02:00
19°
0%
11k
03:00
18°
0%
16k
04:00
18°
0%
17k
05:00
18°
0%
19k
06:00
18°
0%
15k
07:00
18°
0%
14k
08:00
18°
0%
15k
09:00

Air Quality (AQI)

Fair
22EAQI Index

Sensitive individuals should limit prolonged outdoor exertion.

PM2.5
6 µg/m³
PM10
7.9 µg/m³
NO₂
1.8 µg/m³

UV Index

Max 2.7
2.35/ 11 (Moderate)

Low to moderate exposure. Sunglasses recommended during peak afternoon hours.

0 (Low)6 (High)11+ (Extreme)

Wind

10m AGL
10km/h

Gusts up to 22.3 km/h.

Direction: 26°
Gentle Breeze

Solar Cycle

Daylight: 12h
Sunrise
07:40
Sunset
19:31
Twilight and solar zenith calculated based on WGS84 geographic coordinate telemetry.

Pressure

Stable High
1020hPa (MSL)
Surface Pressure983 hPa
Cloud Cover100%

Humidity & Moisture

RH Ratio
54%
Current Rain0 mm
24h Rain Accumulation0 mm

14-Day Detailed Outlook

14-Day Deterministic Model
Today
Sep 28
-
18°
26°
Tomorrow
Sep 29
-
18°
25°
Wed
Sep 30
80%
19°
21°
Thu
Oct 1
70%
15°
20°
Fri
Oct 2
-
12°
21°
Sat
Oct 3
11%
12°
22°
Sun
Oct 4
23%
11°
22°
Mon
Oct 5
16%
9°
22°
Tue
Oct 6
18%
10°
23°
Wed
Oct 7
16%
13°
22°
Thu
Oct 8
16%
9°
15°
Fri
Oct 9
24%
5°
15°
Sat
Oct 10
20%
6°
13°
Sun
Oct 11
20%
5°
16°

Live Weather Radar — Pan-European Doppler Radar

Past -60m•Now•+120m Outlook

Nearby Cities & Stations in France

Regional Grid

Live Ground-Truth Observation Feed

Peer-verified reports logged by spotters and automated PWS stations across Europe

Real-time Ingestion
Log Local Ground ConditionStep 1 of 2: Select condition
Nanterre Hills & Summit
Ground Temp:°C

Observations undergo peer verification by regional spotters and enrich city telemetry.

Filter:
6 reports
S
Stefan MüllerAlpine Master SpotterAlps
Garmisch-Partenkirchen, Germany•Recent
15°C•Partly Cloudy

“Crisp morning air around Zugspitze valley station, golden sun breaking through light morning mountain mist. Zero wind, visibility > 35km.”

Ground-Truth Telemetry
C
Chloé DuboisCoastal Maritime SpotterAtlantic
Le Havre, France•Recent
14°C•Rain / Showers

“Fresh Atlantic westerly gale picking up, moderate sea swell (2.2m). Light intermittent drizzle across the harbor piers.”

Ground-Truth Telemetry
D
Dr. Alessandro RivaHigh Alpine ObserverAlps
Cortina d’Ampezzo, Italy•Recent
9°C•Clear Sky

“First seasonal frost dusting on peaks above 2,600m. Crisp alpine sky with cirrus uncinus approaching from the west.”

Ground-Truth Telemetry
M
Matteo RossiMediterranean SpotterMediterranean
Rome, Italy•Recent
22°C•Clear Sky

“Warm evening breeze across Piazza Navona. Pleasant 22°C with dry conditions and comfortable humidity around 48%.”

Ground-Truth Telemetry
E
Emre KayaBosporus Weather StationMediterranean
Istanbul, Turkey•Recent
21°C•Partly Cloudy

“Bosphorus breeze is cool and refreshing from the Black Sea. Crystal blue sky with passing white cumulus clouds at 1,200m.”

Ground-Truth Telemetry
A
Astrid LindholmFjord Atmospheric LabNordic
Bergen, Norway•Recent
11°C•Dense Fog

“Low scud clouds drifting over Mount Fløyen. Typical Atlantic marine layer with fine mist and 98% relative humidity.”

Ground-Truth Telemetry

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