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Arch weather 15 days
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–Arch weather 15 days, from 14 Nov to 29 Nov: 0 day(s) of clear skies expected, highs from 4 to 14 °C and 54.6 mm of precipitation in total. Day-by-day table (Open-Meteo model).
| Day | Weather | Min | Max | Precip. | Wind |
|---|---|---|---|---|---|
| Today |  overcast | −1 °C | 5 °C | 0.0 mm | 12 km/h |
| Tomorrow |  showers | 2 °C | 11 °C | 4.2 mm | 12 km/h |
| Mon 16 Nov | showers | 8 °C | 10 °C | 6.2 mm | 22 km/h |
| Tue 17 Nov | showers | 8 °C | 14 °C | 12.1 mm | 34 km/h |
| Wed 18 Nov |  thunderstorms | 10 °C | 12 °C | 10.2 mm | 32 km/h |
| Thu 19 Nov | showers | 9 °C | 14 °C | 3.0 mm | 25 km/h |
| Fri 20 Nov | light rain | −1 °C | 9 °C | 3.8 mm | 30 km/h |
| Day | Weather | Min | Max | Precip. | Wind |
|---|---|---|---|---|---|
| Sat 21 Nov |  light drizzle | −2 °C | 10 °C | 0.8 mm | 8 km/h |
| Sun 22 Nov | light drizzle | 3 °C | 8 °C | 0.6 mm | 10 km/h |
| Mon 23 Nov | overcast | 1 °C | 8 °C | 0.0 mm | 6 km/h |
| Tue 24 Nov | light drizzle | 0 °C | 7 °C | 1.0 mm | 4 km/h |
| Wed 25 Nov | light drizzle | 3 °C | 6 °C | 0.8 mm | 10 km/h |
| Thu 26 Nov | overcast | 2 °C | 5 °C | 0.0 mm | 7 km/h |
| Fri 27 Nov | overcast | 1 °C | 4 °C | 0.0 mm | 6 km/h |
| Sat 28 Nov | drizzle | −1 °C | 5 °C | 5.2 mm | 20 km/h |
| Sun 29 Nov | heavy drizzle | 1 °C | 5 °C | 6.8 mm | 19 km/h |
And at 20, 25 or 30 days? No model seriously forecasts that far. Climatology takes over: the November norm is 4.7 °C in Arch, the December norm 1.5 °C (MeteoSwiss 1991–2020, monthly means measured nearby).
Frequently asked questions
Which will be the warmest day of the next 15 days in Arch?
thursday 19 Nov, with a high of 14 °C. The coolest will be friday 27 Nov, with 4 °C.
How many rainy days are expected in Arch over 15 days?
9 days with at least 1 mm, for 54.6 mm in total. The wettest: tuesday 17 Nov (12.1 mm).
What is the outlook for next week in Arch?
Cooler than this one: an average high of 6.7 °C against 10.8 °C.
Will the fortnight be warmer than normal in Arch?
Yes: an expected mean of 5.5 °C, 0.8 °C above the MeteoSwiss 1991–2020 norm for November (4.7 °C).
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 Arch: the most honest estimate beyond two weeks.
meteo-ch.ch · Open-Meteo data, MeteoSwiss norms 1991–2020