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15-day forecast for Treyvaux

Right now

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From 27 Sep to 12 Oct in Treyvaux: 2 day(s) of clear skies expected, highs from 11 to 25 °C and 53.4 mm of precipitation in total. Day-by-day table (Open-Meteo model).

DayWeatherMinMaxPrecip.Wind
Todaymostly sunny14 °C25 °C0.0 mm9 km/h
Tomorrowovercast15 °C24 °C0.0 mm9 km/h
Tue 29 Seplight rain14 °C23 °C0.0 mm8 km/h
Wed 30 Seplight rain15 °C20 °C0.3 mm6 km/h
Thu 1 Octshowers13 °C16 °C6.8 mm5 km/h
Fri 2 Octovercast12 °C18 °C0.0 mm13 km/h
Sat 3 Octshowers10 °C20 °C0.3 mm5 km/h
DayWeatherMinMaxPrecip.Wind
Sun 4 Octshowers11 °C17 °C15.4 mm8 km/h
Mon 5 Octshowers9 °C13 °C17.1 mm7 km/h
Tue 6 Octlight drizzle7 °C12 °C3.9 mm9 km/h
Wed 7 Octlight drizzle4 °C14 °C0.3 mm10 km/h
Thu 8 Octdrizzle2 °C14 °C2.7 mm9 km/h
Fri 9 Octdrizzle7 °C12 °C3.9 mm8 km/h
Sat 10 Octlight drizzle6 °C11 °C0.6 mm16 km/h
Sun 11 Octlight drizzle7 °C15 °C2.1 mm11 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 8.7 °C in Treyvaux, the November norm 3.7 °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 Treyvaux: the most honest estimate beyond two weeks.

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