15-day forecast for Simplon

From 27 Sep to 12 Oct in Simplon: 1 day(s) of clear skies expected, highs from 5 to 16 °C and 61.6 mm of precipitation in total. Day-by-day table (Open-Meteo model).

Day	Weather	Min	Max	Precip.	Wind	Confidence
Today	fog	5 °C	16 °C	0.0 mm	11 km/h	medium
Tomorrow	fog	7 °C	16 °C	0.0 mm	11 km/h	medium
Tue 29 Sep	fog	7 °C	12 °C	0.0 mm	9 km/h	low
Wed 30 Sep	fog	7 °C	9 °C	0.0 mm	8 km/h	low
Thu 1 Oct	light rain	7 °C	10 °C	6.9 mm	8 km/h	low
Fri 2 Oct	fog	8 °C	11 °C	0.0 mm	8 km/h	medium
Sat 3 Oct	fog	7 °C	12 °C	0.0 mm	10 km/h	medium

Day	Weather	Min	Max	Precip.	Wind	Confidence
Sun 4 Oct	heavy drizzle	6 °C	13 °C	5.7 mm	5 km/h
Mon 5 Oct	heavy drizzle	6 °C	11 °C	9.6 mm	5 km/h
Tue 6 Oct	drizzle	4 °C	8 °C	10.8 mm	5 km/h
Wed 7 Oct	light drizzle	−1 °C	12 °C	0.9 mm	3 km/h
Thu 8 Oct	light drizzle	−5 °C	12 °C	0.3 mm	5 km/h
Fri 9 Oct	light drizzle	2 °C	12 °C	1.5 mm	3 km/h
Sat 10 Oct	showers	4 °C	8 °C	7.5 mm	5 km/h
Sun 11 Oct	snow showers	−1 °C	5 °C	18.4 mm	8 km/h
Mon 12 Oct	overcast	– °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 5.1 °C in Simplon, the November norm −0.3 °C (MeteoSwiss 1991–2020, monthly means measured nearby).

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