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15-day forecast for Collombey-Muraz

Right now

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From 27 Sep to 12 Oct in Collombey-Muraz: 1 day(s) of clear skies expected, highs from 9 to 19 °C and 81.2 mm of precipitation in total. Day-by-day table (Open-Meteo model).

DayWeatherMinMaxPrecip.WindConfidence
Todaypartly cloudy13 °C19 °C0.0 mm14 km/hlow
Tomorrowovercast13 °C19 °C0.0 mm10 km/hlow
Tue 29 Seplight rain12 °C19 °C0.4 mm7 km/hlow
Wed 30 Seplight rain13 °C17 °C2.7 mm5 km/hlow
Thu 1 Octthunderstorms11 °C15 °C12.6 mm4 km/hmedium
Fri 2 Octfog10 °C15 °C0.3 mm8 km/hmedium
Sat 3 Octshowers9 °C16 °C0.6 mm9 km/hmedium
DayWeatherMinMaxPrecip.WindConfidence
Sun 4 Octshowers9 °C14 °C21.0 mm5 km/h
Mon 5 Octheavy drizzle7 °C11 °C14.7 mm4 km/h
Tue 6 Octshowers4 °C9 °C16.5 mm7 km/h
Wed 7 Octlight drizzle1 °C11 °C1.8 mm8 km/h
Thu 8 Octlight drizzle2 °C12 °C1.8 mm8 km/h
Fri 9 Octlight drizzle4 °C12 °C1.2 mm7 km/h
Sat 10 Octsnow showers3 °C10 °C4.5 mm7 km/h
Sun 11 Octlight drizzle4 °C13 °C3.1 mm10 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: beyond two weeks, only the local climatology gives a reliable trend.

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 Collombey-Muraz: the most honest estimate beyond two weeks.

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