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Syens weather 15 days
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– 
–Syens weather 15 days, from 14 Nov to 29 Nov: 0 day(s) of clear skies expected, highs from 4 to 13 °C and 105.2 mm of precipitation in total. Day-by-day table (Open-Meteo model).
| Day | Weather | Min | Max | Precip. | Wind |
|---|---|---|---|---|---|
| Today |  fog | −1 °C | 6 °C | 0.0 mm | 9 km/h |
| Tomorrow |  showers | 3 °C | 12 °C | 18.9 mm | 21 km/h |
| Mon 16 Nov | showers | 8 °C | 10 °C | 10.7 mm | 26 km/h |
| Tue 17 Nov | showers | 9 °C | 13 °C | 14.4 mm | 38 km/h |
| Wed 18 Nov |  thunderstorms | 9 °C | 11 °C | 24.3 mm | 34 km/h |
| Thu 19 Nov | showers | 8 °C | 12 °C | 8.2 mm | 27 km/h |
| Fri 20 Nov | showers | 1 °C | 8 °C | 6.5 mm | 36 km/h |
| Day | Weather | Min | Max | Precip. | Wind |
|---|---|---|---|---|---|
| Sat 21 Nov | fog | 0 °C | 9 °C | 0.0 mm | 7 km/h |
| Sun 22 Nov |  drizzle | 2 °C | 9 °C | 4.0 mm | 14 km/h |
| Mon 23 Nov | light drizzle | 1 °C | 8 °C | 0.2 mm | 7 km/h |
| Tue 24 Nov | light drizzle | 1 °C | 8 °C | 1.0 mm | 5 km/h |
| Wed 25 Nov | light drizzle | 2 °C | 5 °C | 1.4 mm | 20 km/h |
| Thu 26 Nov |  overcast | 0 °C | 4 °C | 0.0 mm | 16 km/h |
| Fri 27 Nov | overcast | 0 °C | 7 °C | 0.0 mm | 8 km/h |
| Sat 28 Nov |  snow showers | 2 °C | 5 °C | 8.2 mm | 27 km/h |
| Sun 29 Nov | light snow | 0 °C | 5 °C | 7.3 mm | 28 km/h |
And at 20, 25 or 30 days? No model seriously forecasts that far. Climatology takes over: the November norm is 5.9 °C in Syens, the December norm 3.0 °C (MeteoSwiss 1991–2020, monthly means measured nearby).
Frequently asked questions
Which will be the warmest day of the next 15 days in Syens?
tuesday 17 Nov, with a high of 13 °C. The coolest will be thursday 26 Nov, with 4 °C.
How many rainy days are expected in Syens over 15 days?
11 days with at least 1 mm, for 105.2 mm in total. The wettest: wednesday 18 Nov (24.3 mm).
What is the outlook for next week in Syens?
Cooler than this one: an average high of 7.1 °C against 10.2 °C.
Will the fortnight be warmer than normal in Syens?
Within the norm: an expected mean of 5.5 °C, against 5.9 °C for the MeteoSwiss 1991–2020 norm for November.
Will it snow in Syens in the next 15 days?
Yes: 1 day with snow, 2 cm in total, mostly saturday 28 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 Syens: the most honest estimate beyond two weeks.
meteo-ch.ch · Open-Meteo data, MeteoSwiss norms 1991–2020