Grand Ballon Weather
Summit forecast at 1424 m · Central European uplands · FR · SAC T1
Summit window
Summit window today 08:00–17:00
Summit window tomorrow 08:00–17:00
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 | -4° / 0° | 19 km/h | 2% | 1010–1390 m | low |
| 🌤 Wed, Nov 4 | -4° / 1° | 14 km/h | 1% | 1170–1640 m | low |
| ☀️ Thu, Nov 5 | -4° / 5° | 5 km/h | 1% | 1090–2250 m | low |
| ⛅ Fri, Nov 6 | -3° / 5° | 4 km/h | 24% | 1280–2230 m | low |
| ⛅ Sat, Nov 7 | -2° / 4° | 4 km/h | 27% | 1350–2030 m | low |
| ⛅ Sun, Nov 8 | -3° / 4° | 5 km/h | 21% | 1100–1960 m | low |
| 🌧 Mon, Nov 9 | -1° / 4° | 5 km/h | 35% | 1550–2370 m | low |
Temperatures at the summit (1424 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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