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15-day forecast for Crans-Montana

Right now

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From 27 Sep to 12 Oct in Crans-Montana: 2 day(s) of clear skies expected, highs from 10 to 23 °C and 35.0 mm of precipitation in total. Day-by-day table (Open-Meteo model).

DayWeatherMinMaxPrecip.WindConfidence
Todaymostly sunny13 °C22 °C0.0 mm12 km/hmedium
Tomorrowovercast13 °C23 °C0.0 mm11 km/hmedium
Tue 29 Sepshowers10 °C20 °C0.0 mm7 km/hlow
Wed 30 Seplight rain11 °C16 °C0.3 mm8 km/hlow
Thu 1 Octlight rain10 °C12 °C6.6 mm4 km/hlow
Fri 2 Octovercast9 °C16 °C0.0 mm6 km/hmedium
Sat 3 Octovercast9 °C18 °C0.0 mm11 km/hmedium
DayWeatherMinMaxPrecip.WindConfidence
Sun 4 Octshowers8 °C14 °C9.9 mm3 km/h
Mon 5 Octshowers7 °C14 °C5.7 mm5 km/h
Tue 6 Octlight drizzle6 °C10 °C2.4 mm4 km/h
Wed 7 Octovercast2 °C12 °C0.0 mm3 km/h
Thu 8 Octlight drizzle−1 °C13 °C1.5 mm4 km/h
Fri 9 Octlight drizzle5 °C13 °C2.7 mm4 km/h
Sat 10 Octdrizzle2 °C11 °C1.5 mm4 km/h
Sun 11 Octdrizzle2 °C10 °C4.3 mm7 km/h
Mon 12 Octovercast– °C– °C– mm– km/h

Confidence index: agreement of 4 independent models (ICON, GFS, IFS, ARPEGE) on the daily high and on rain. High = highs within 2 °C and the same rain verdict; low = more than 4 °C apart or models split on rain.

And at 20, 25 or 30 days? No model seriously forecasts that far. Climatology takes over: the October norm is 6.9 °C in Crans-Montana, the November norm 1.9 °C (MeteoSwiss 1991–2020, monthly means measured nearby).

Frequently asked questions

Are these 15-day forecasts reliable?

Reliability decreases with the horizon: excellent at 3 days, good up to 7, indicative beyond 10. Each passing day sharpens the rest.

Can the weather be forecast a month ahead?

No, not day by day. That is why this page completes the 16 forecast days with the MeteoSwiss monthly norms for Crans-Montana: the most honest estimate beyond two weeks.

meteo-ch.ch · Open-Meteo data, MeteoSwiss norms 1991–2020