Weather forecast
Weather forecast
Issued Friday 26 June 2026 alle 12:36
Weather forecaster Igor Torlai
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Overall situation
Pressure measured in Aosta at 7 am: 1020 hPa
Friday 26 June 2026
Morning
Afternoon
Cumulus clouds leading to cloudy skies, with local showers or thunderstorms—some of which may be moderate—starting around early afternoon and clearing up by evening.
Temperatures: down slightly.
Pressure: rising slightly.
Winds: 3000 m of light winds from the northern quadrants, shifting to the northeast; breezes in the valleys, gusts during thunderstorms.
Warnings: showers or thunderstorms, hot air.
Reliability
- Freezing level: 4100m » 4800m
- Temp 1500 m: 14°C » 24°C
- Temp 3000 m: 10°C » 12°C
| Temperature | Max |
|---|---|
| Mountain | |
| Valleys |
| Location | Min | Max |
|---|---|---|
| Aosta | 19 °C | 34 °C |
| Cogne | 12 °C | 24 °C |
| Courmayeur | 14 °C | 27 °C |
| Donnas | 22 °C | 31 °C |
| Gressoney-Saint-Jean | 14 °C | 24 °C |
| Breuil-Cervinia | 12 °C | 21 °C |
| Solar ultraviolet radiation * | |
|---|---|
| Mountain | High |
| Valleys | High |
Saturday 27 June 2026
Morning
Afternoon
High, thin clouds in the morning, with a chance of low clouds on the slopes. Cumulus clouds will develop, leading to overcast skies with local showers or thunderstorms—some of which may be moderate—possible everywhere, but most likely in the southern and western areas.
Temperatures: slightly higher high temperatures in the valleys.
Pressure: stable.
Winds: 3000 m of light winds from the southern quadrants; light breezes in the valleys, gusts during thunderstorms.
Warnings: showers or thunderstorms, hot air.
Reliability
- Freezing level: 4200m / 4700m
- Temp 1500 m: 13°C » 25°C
- Temp 3000 m: 10°C » 12°C
| Temperature | Min | Max |
|---|---|---|
| Mountain | ||
| Valleys |
| Location | Min | Max |
|---|---|---|
| Aosta | 21 °C | 36 °C |
| Cogne | 15 °C | 25 °C |
| Courmayeur | 18 °C | 28 °C |
| Donnas | 25 °C | 33 °C |
| Gressoney-Saint-Jean | 16 °C | 25 °C |
| Breuil-Cervinia | 12 °C | 20 °C |
| Solar ultraviolet radiation * | |
|---|---|
| Mountain | Very high |
| Valleys | High |
Sunday 28 June 2026
Morning
Afternoon
High, thin clouds passing through, becoming thicker in the evening. Widespread cumulus clouds developing, with likely afternoon showers and thunderstorms—locally heavy—that will be more frequent and intense in the central-eastern and southeastern areas.
Temperatures: slightly lower at higher elevations, slightly higher in the valleys.
Pressure: stable.
Winds: 3000 m light from the W/SW, shifting to the W/NW in the afternoon; breezes in the valleys, gusts during thunderstorms, and some foehn conditions in the upper valleys starting in the afternoon.
Reliability
- Freezing level: 4000m » 4600m
| Temperature | Min | Max |
|---|---|---|
| Mountain | ||
| Valleys |
| Location | Min | Max |
|---|---|---|
| Aosta | 22 °C | 37 °C |
| Cogne | 16 °C | 26 °C |
| Courmayeur | 19 °C | 29 °C |
| Donnas | 26 °C | 34 °C |
| Gressoney-Saint-Jean | 17 °C | 26 °C |
| Breuil-Cervinia | 13 °C | 21 °C |
| Solar ultraviolet radiation * | |
|---|---|
| Mountain | Very high |
| Valleys | High |
Next days
Mon 29 Jun 2026
Tue 30 Jun 2026
Wed 01 Jul 2026
Thu 02 Jul 2026
Reliability
Mostly sunny skies with cumulus clouds and a chance of afternoon showers and thunderstorms, which may be intense in some areas. Tuesday will be sunnier and more stable, with a few isolated showers or thunderstorms. A weather system may pass through on Wednesday. Conditions will be more stable and windy at higher elevations on Thursday.