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15-day forecast for Grandvillard

Right now

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From 27 Sep to 12 Oct in Grandvillard: 1 day(s) of clear skies expected, highs from 8 to 20 °C and 58.0 mm of precipitation in total. Day-by-day table (Open-Meteo model).

DayWeatherMinMaxPrecip.Wind
Todaypartly cloudy12 °C20 °C0.0 mm9 km/h
Tomorrowovercast14 °C20 °C0.0 mm13 km/h
Tue 29 Sepshowers13 °C20 °C0.8 mm8 km/h
Wed 30 Seplight rain14 °C19 °C0.6 mm7 km/h
Thu 1 Octlight rain12 °C15 °C8.8 mm6 km/h
Fri 2 Octovercast10 °C16 °C0.0 mm7 km/h
Sat 3 Octovercast10 °C17 °C1.2 mm8 km/h
DayWeatherMinMaxPrecip.Wind
Sun 4 Octshowers8 °C14 °C15.0 mm5 km/h
Mon 5 Octshowers8 °C11 °C17.1 mm5 km/h
Tue 6 Octlight drizzle6 °C10 °C2.7 mm6 km/h
Wed 7 Octovercast0 °C11 °C0.0 mm7 km/h
Thu 8 Octdrizzle0 °C11 °C3.3 mm5 km/h
Fri 9 Octdrizzle4 °C12 °C2.7 mm6 km/h
Sat 10 Octlight drizzle4 °C8 °C2.4 mm7 km/h
Sun 11 Octlight drizzle5 °C12 °C3.3 mm9 km/h
Mon 12 Octovercast– °C– °C– mm– km/h

And at 20, 25 or 30 days? No model seriously forecasts that far. Climatology takes over: the October norm is 7.5 °C in Grandvillard, the November norm 2.5 °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 Grandvillard: the most honest estimate beyond two weeks.

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