Weather forecast
Morning Update
TODAY'S forecast, Friday 07 August 2026
Today
Soleggiato, con annuvolamenti dal pomeriggio, isolati temporali nel settore sud-orientale.
I venti a 3000 m sono da deboli a moderati sud-occidentali, con episodi di foehn nelle valli superiori.
Le temperature sono in lieve calo in montagna rispetto a ieri, con lo zero termico da 3900 a 4200 m.
A 1500 m passeremo da 15 a 24°C e a 3000 m da 8 a 10°C.
Morning Freezing Level: 3900
Afternoon Freezing Level:4200
Forecast issued daily at 7:15 am.
Weather forecast
Issued Thursday 06 August 2026 alle 12:31
Weather forecaster Silvia Monte
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Overall situation
Occasionally unstable westerly winds will bring warm, summery weather today and tomorrow, with scattered afternoon thunderstorms—some of which may be moderate—most likely in the eastern part of the region. On Saturday, a temporary expansion of a high-pressure system will bring more stable weather, with a low probability of afternoon thunderstorms. Starting Sunday, forecast reliability decreases, with the possible arrival of cooler, unstable air and widespread thunderstorms on Sunday afternoon. Starting Monday, conditions will gradually become more stable.
Friday 07 August 2026
Night (from 00 to 06)
Morning (from 06 to 12)
Afternoon (from 12 to 18)
Evening (from 18 to 24)
Forecast
Clear or a few cloudy until mid-morning, except for a few possible medium-low clouds in the SE-E valleys until morning. Then gradual increase of clouds as cumulus clouds develop, especially near the mountains, leading to partly or irregularly cloudy in the valleys and locally cloudy in the mountains. Scattered showers possible in the afternoon, also as light thunderstorms, most likely in the S-E areas.
Temperatures
in the valley stationary, in the mountains slightly falling.
Winds
3000 m light from the W until late morning, then light to moderate with variable directions between SW and NW, and light from the SW in the late evening; in the valleys light and variable until midday, then from the W-NW in the W valleys and at times in the central-W valleys, and from the E-SE elsewhere, locally moderate in the afternoon
Reliability
- Freezing level: 4000m / 4300m
- Temp 1500 m: 16°C » 24°C
- Temp 3000 m: 6°C » 9°C
| Temperature | Min | Max |
|---|---|---|
| Mountain | ||
| Valleys |
| Solar ultraviolet radiation * | |
|---|---|
| Mountain | Very high |
| Valleys | High |
| Location | Min | Max |
|---|---|---|
| Aosta | 21 °C | 35 °C |
| Cogne | 13 °C | 26 °C |
| Courmayeur | 16 °C | 29 °C |
| Donnas | 25 °C | 32 °C |
| Gressoney | 16 °C | 23 °C |
| Cervinia | 11 °C | 19 °C |
Warnings
heat wave Saturday 08 August 2026
Morning (from 00 to 12)
Afternoon (from 12 to 24)
Forecast
Except for possible low clouds in the E-SE valleys, clear or a few cloudy skies until mid-morning. Later, cumulus clouds developing near the mountains, especially in the S and E, leading to irregularly cloudy in the mountains.
Temperatures
in the valleys and mid-mountain falling in the minimum values, in the mountains slightly rising in the maximum values.
Winds
3000 m light from the W-SW, moderate in the afternoon and locally veering from the NW; in the valleys very light and variable until mid-morning, then light from the E-SE, at times moderate in the afternoon.
Reliability
- Freezing level: 4200m » 4500m
- Temp 1500 m: 14°C » 23°C
- Temp 3000 m: 6°C » 11°C
| Temperature | Min | Max |
|---|---|---|
| Mountain | ||
| Valleys |
| Solar ultraviolet radiation * | |
|---|---|
| Mountain | Very high |
| Valleys | High |
| Location | Min | Max |
|---|---|---|
| Aosta | 19 °C | 34 °C |
| Cogne | 14 °C | 26 °C |
| Courmayeur | 14 °C | 30 °C |
| Donnas | 22 °C | 32 °C |
| Gressoney | 14 °C | 23 °C |
| Cervinia | 11 °C | 19 °C |
Sunday 09 August 2026
Morning (from 00 to 12)
Afternoon (from 12 to 24)
Reliability
- Freezing level: 4100m » 4300m
| Temperature | Min | Max |
|---|---|---|
| Mountain | ||
| Valleys |
| Solar ultraviolet radiation * | |
|---|---|
| Mountain | High |
| Valleys | High |
Forecast
In the morning partly to mostly cloudy as cloud cover gradually increases. From the afternoon cloudy or locally very cloudy with thunderstorms, possible everywhere and locally moderate, ending overnight.
Temperatures
slightly rising in minimum values, slightly falling in the maximum values.
Winds
3000 m light from the W-SW, strengthening to moderate by mid-morning and locally veering from NW; in the valleys very light and variable until mid-morning, then light from the E-SE, at times moderate in the afternoon.
Next days
MON 10 AUG 2026
TUE 11 AUG 2026
WED 12 AUG 2026
Reliability
On Monday and Tuesday, partly cloudy skies, with increasing cloud cover, especially in the afternoons, accompanied by showers or thunderstorms. Wednesday will be clear and sunny, with high clouds in the afternoon.
* The solar ultraviolet radiation index is elaborated, starting from the weather forecast data, by Arpa Valle d'Aosta - Learn more »