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Simplon weather 15 days
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– 
–Simplon weather 15 days, from 14 Nov to 29 Nov: 0 day(s) of clear skies expected, highs from −3 to 3 °C and 40.3 mm of precipitation in total. Day-by-day table (Open-Meteo model).
| Day | Weather | Min | Max | Precip. | Wind |
|---|---|---|---|---|---|
| Today |  snow grains | −4 °C | 0 °C | 0.1 mm | 9 km/h |
| Tomorrow | light snow | −4 °C | 1 °C | 0.0 mm | 7 km/h |
| Mon 16 Nov | snow showers | −1 °C | 2 °C | 5.7 mm | 30 km/h |
| Tue 17 Nov | snow | −1 °C | 3 °C | 5.4 mm | 7 km/h |
| Wed 18 Nov | snow | 0 °C | 2 °C | 14.7 mm | 10 km/h |
| Thu 19 Nov | light snow | 0 °C | 2 °C | 2.7 mm | 16 km/h |
| Fri 20 Nov | light snow | −3 °C | 1 °C | 0.9 mm | 27 km/h |
| Day | Weather | Min | Max | Precip. | Wind |
|---|---|---|---|---|---|
| Sat 21 Nov |  overcast | −13 °C | 0 °C | 0.0 mm | 17 km/h |
| Sun 22 Nov | light snow | −13 °C | 1 °C | 1.0 mm | 2 km/h |
| Mon 23 Nov | light snow | −7 °C | 1 °C | 0.2 mm | 3 km/h |
| Tue 24 Nov | overcast | −7 °C | 0 °C | 0.0 mm | 3 km/h |
| Wed 25 Nov | light snow | −6 °C | 0 °C | 0.4 mm | 7 km/h |
| Thu 26 Nov | light snow | −11 °C | 1 °C | 0.8 mm | 6 km/h |
| Fri 27 Nov | overcast | −13 °C | 1 °C | 0.0 mm | 3 km/h |
| Sat 28 Nov | snow showers | −15 °C | −3 °C | 4.0 mm | 5 km/h |
| Sun 29 Nov | snow showers | −11 °C | −2 °C | 4.4 mm | 20 km/h |
And at 20, 25 or 30 days? No model seriously forecasts that far. Climatology takes over: the November norm is −0.3 °C in Simplon, the December norm −3.5 °C (MeteoSwiss 1991–2020, monthly means measured nearby).
Frequently asked questions
Which will be the warmest day of the next 15 days in Simplon?
tuesday 17 Nov, with a high of 3 °C. The coolest will be saturday 28 Nov, with −3 °C.
How many rainy days are expected in Simplon over 15 days?
7 days with at least 1 mm, for 40.3 mm in total. The wettest: wednesday 18 Nov (14.7 mm).
What is the outlook for next week in Simplon?
Cooler than this one: an average high of 0.5 °C against 1.7 °C.
Will the fortnight be warmer than normal in Simplon?
No: an expected mean of −3.1 °C, 2.8 °C below the MeteoSwiss 1991–2020 norm for November (−0.3 °C).
Will it snow in Simplon in the next 15 days?
Yes: 9 days with snow, 23 cm in total, mostly wednesday 18 Nov.
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 Simplon: the most honest estimate beyond two weeks.
meteo-ch.ch · Open-Meteo data, MeteoSwiss norms 1991–2020