Weather forecast
Weather forecast
Issued Sunday 11 January 2026 alle 10:38
Weather forecaster Luca Stefanoli
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Overall situation
Pressure measured in Aosta at 7 am: 1019 hPa
Sunday 11 January 2026
Morning
Afternoon
Fairly sunny with passing mid and high-level clouds, especially in the morning, and cloudiness along the ridge. Thin veils late in the day.
Temperatures: increasing.
Pressure: almost stable.
Winds: 3000 m NW initially very strong, temporarily easing in the afternoon; NW foehn in the valleys, generally moderate in the early morning, easing to light during the afternoon.
Warnings: winds strong on the first morning.
Reliability
- Freezing level: 500m » 1500m
- Temp 1500 m: -6°C » 0°C
- Temp 3000 m: -17°C » -9°C
| Temperature | Max |
|---|---|
| Mountain | |
| Valleys |
| Location | Min | Max |
|---|---|---|
| Aosta | 2 °C | 3 °C |
| Cogne | -8 °C | -4 °C |
| Courmayeur | -5 °C | 0 °C |
| Donnas | 5 °C | 5 °C |
| Gressoney-Saint-Jean | -6 °C | -2 °C |
| Breuil-Cervinia | -9 °C | -6 °C |
| Solar ultraviolet radiation * | |
|---|---|
| Mountain | Low |
| Valleys | Low |
Monday 12 January 2026
Morning
Afternoon
Irregular cloudiness with veils in the morning and thicker cloudiness along the ridge, affected by a few light snow flurries above 1000 m until mid-morning.
Temperatures: increasing, more noticeable for maximum values. Morning thermal inversions likely.
Pressure: slightly decreasing.
Winds: 3000 m NW very strong, veering W late afternoon and easing to moderate to strong; light foehn episodes in the valleys.
Warnings: none.
Reliability
- Freezing level: 1300m » 2300m
- Temp 1500 m: -3°C » 4°C
- Temp 3000 m: -7°C / -5°C
| Temperature | Min | Max |
|---|---|---|
| Mountain | ||
| Valleys |
| Location | Min | Max |
|---|---|---|
| Aosta | 0 °C | 10 °C |
| Cogne | -4 °C | 4 °C |
| Courmayeur | 0 °C | 6 °C |
| Donnas | -6 °C | 8 °C |
| Gressoney-Saint-Jean | -7 °C | 4 °C |
| Breuil-Cervinia | -6 °C | -1 °C |
| Solar ultraviolet radiation * | |
|---|---|
| Mountain | Low |
| Valleys | Low |
Tuesday 13 January 2026
Morning
Afternoon
Fairly sunny and hazy with greater cloudiness over the eastern sector.
Temperatures: slightly rising, especially minimum values.
Pressure: almost stable.
Winds: 3000 m generally light to moderate from SW; light and variable in the valleys.
Reliability
- Freezing level: 1800m / 2300m
| Temperature | Min | Max |
|---|---|---|
| Mountain | ||
| Valleys |
| Location | Min | Max |
|---|---|---|
| Aosta | 0 °C | 10 °C |
| Cogne | -4 °C | 5 °C |
| Courmayeur | 0 °C | 6 °C |
| Donnas | -1 °C | 9 °C |
| Gressoney-Saint-Jean | -2 °C | 5 °C |
| Breuil-Cervinia | -8 °C | 1 °C |
| Solar ultraviolet radiation * | |
|---|---|
| Mountain | Low |
| Valleys | Low |
Next days
Wed 14 Jan 2026
Thu 15 Jan 2026
Fri 16 Jan 2026
Sat 17 Jan 2026
Reliability
Partly sunny Wednesday with increasing cloudiness; winds at 3000 m light to moderate from SW, light and variable in the valleys, tending to SE; freezing level from 1200 to 2000 m. Thursday fairly sunny with possible morning mid-low cloud layers. Friday and Saturday irregularly cloudy with light precipitation.
* The solar ultraviolet radiation index is elaborated, starting from the weather forecast data, by Arpa Valle d'Aosta - Learn more »