Breithorn Weather
Summit forecast at 4164 m · Western Alps · CH · SAC L
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 | -20° / -13° | 16 km/h | 23% | 1470–2350 m | low |
| 🌨 Wed, Nov 4 | -18° / -14° | 27 km/h | 38% | 1760–2280 m | low |
| 🌤 Thu, Nov 5 | -17° / -12° | 26 km/h | 17% | 1780–2430 m | low |
| 🌨 Fri, Nov 6 | -15° / -11° | 31 km/h | 58% | 1900–2510 m | low |
| 🌤 Sat, Nov 7 | -16° / -13° | 16 km/h | 50% | 1790–2270 m | low |
| 🌨 Sun, Nov 8 | -18° / -11° | 37 km/h | 17% | 1590–2490 m | low |
| 🌨 Mon, Nov 9 | -14° / -9° | 42 km/h | 31% | 2020–2780 m | low |
Temperatures at the summit (4164 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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