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•West & Brittany•Elev: 412m

Rennes Küste & Hafen

Mittwoch, 30. September 2026

19°C
BedecktGefühlt wie 18°
H: 23°•L: 19°•Rain: 78%
Meteorological Synthesis

Bedeckt with highs near 23°C.

Precipitation expected over the coming days with variable skies.

Wind
18.6 km/h
Luftfeuchtigkeit
75%
UV-Index
0 / 11
Luftdruck
970 hPa

24-Stunden-Meteogramm

24 Hours Ahead
19°
0%
18k
03:00
19°
0%
19k
04:00
19°
0%
20k
05:00
19°
0%
20k
06:00
19°
0%
19k
07:00
19°
3%
19k
08:00
20°
5%
17k
09:00
21°
10%
19k
10:00
22°
13%
18k
11:00
23°
15%
18k
12:00
23°
28%
16k
13:00
23°
45%
16k
14:00
23°
33%
15k
15:00
23°
28%
15k
16:00
22°
33%
11k
17:00
22°
23%
11k
18:00
22°
25%
10k
19:00
20°
20%
8k
20:00
20°
23%
9k
21:00
20°
58%
13k
22:00
19°
78%
5k
23:00
18°
95%
12k
00:00
17°
95%
8k
01:00
15°
78%
11k
02:00

Luftqualität (AQI)

Fair
28EAQI Index

Sensitive individuals should limit prolonged outdoor exertion.

PM2.5
2.9 µg/m³
PM10
6.5 µg/m³
NO₂
0.8 µg/m³

UV-Index

Max 1
0/ 11 (Moderate)

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

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

Wind

10m AGL
18.6km/h

Böen bis zu 30.6 km/h.

Direction: 165°
Gentle Breeze

Solar Cycle

Daylight: 12h
Sonnenaufgang
07:51
Sonnenuntergang
19:36
Twilight and solar zenith calculated based on WGS84 geographic coordinate telemetry.

Luftdruck

Stable High
1017hPa (MSL)
Surface Pressure970 hPa
Cloud Cover98%

Luftfeuchtigkeit & Moisture

RH Ratio
75%
Current Rain0 mm
24h Rain Accumulation0.3 mm

14-Tage-Aussicht

14-Day Deterministic Model
Today
30. Sept.
78%
19°
23°
Tomorrow
1. Okt.
95%
14°
20°
Fri
2. Okt.
-
8°
23°
Sat
3. Okt.
25%
10°
24°
Sun
4. Okt.
30%
14°
23°
Mon
5. Okt.
13%
9°
24°
Tue
6. Okt.
36%
7°
24°
Wed
7. Okt.
62%
14°
21°
Thu
8. Okt.
37%
10°
17°
Fri
9. Okt.
16%
5°
13°
Sat
10. Okt.
15%
4°
15°
Sun
11. Okt.
24%
8°
16°
Mon
12. Okt.
17%
5°
19°
Tue
13. Okt.
16%
11°
21°

Live-Wetterradar — 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
Rennes Küste & Hafen
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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