Grand Combin Weather
Summit forecast at 4314 m · Western Alps · CH · SAC WS
Summit window
Summit window today 11:00–17:00
No safe summit window tomorrow — bitter cold from 08:00
Mountain weather changes fast. This is a forecast, not a safety guarantee — check official mountain forecasts and turn back when in doubt.
7-day summit forecast
| Day | Low / High | Summit wind | Rain | Freezing level | Storm risk |
|---|---|---|---|---|---|
| ☀️ Today | -19° / -13° | 16 km/h | 3% | 1600–2420 m | low |
| ⛅ Wed, Nov 4 | -19° / -15° | 26 km/h | 36% | 1720–2340 m | low |
| 🌤 Thu, Nov 5 | -17° / -12° | 30 km/h | 9% | 1850–2520 m | low |
| ⛅ Fri, Nov 6 | -15° / -12° | 36 km/h | 58% | 2090–2560 m | low |
| ☀️ Sat, Nov 7 | -17° / -13° | 23 km/h | 50% | 1780–2410 m | low |
| 🌨 Sun, Nov 8 | -18° / -11° | 49 km/h | 17% | 1660–2610 m | low |
| 🌨 Mon, Nov 9 | -15° / -9° | 52 km/h | 29% | 2140–2880 m | low |
Temperatures at the summit (4314 m), blended from 9 weather models (ECMWF IFS, NOAA GFS, DWD ICON, UK Met Office, Canada GEM, JMA (Japan), Météo-France, KNMI HARMONIE, DMI HARMONIE).
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