Weather forecast

Weather forecast

Issued Friday 26 June 2026 alle 12:36
Weather forecaster Igor Torlai
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Friday 26 June 2026

Morning
Poco nuvoloso Poco nuvoloso Poco nuvoloso Poco nuvoloso Poco nuvoloso Poco nuvoloso Aosta Valley map
Afternoon
Nuvoloso, temporale pioggia Nuvoloso, temporale pioggia Nuvoloso, temporale pioggia Nuvoloso, temporale pioggia Nuvoloso, temporale pioggia Nuvoloso, temporale pioggia Aosta Valley map

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
Indice UV a cura di ARPA VDA
Solar ultraviolet radiation *
Mountain High
Valleys High

Saturday 27 June 2026

Morning
Velato Velato Velato Velato Velato Velato Aosta Valley map
Afternoon
Nuvoloso, temporale pioggia Nuvoloso, temporale pioggia Nuvoloso, temporale pioggia Nuvoloso, temporale pioggia Nuvoloso, temporale pioggia Nuvoloso, temporale pioggia Aosta Valley map

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
Indice UV a cura di ARPA VDA
Solar ultraviolet radiation *
Mountain Very high
Valleys High

Sunday 28 June 2026

Morning
Poco nuvoloso Poco nuvoloso Poco nuvoloso Poco nuvoloso Poco nuvoloso Poco nuvoloso Aosta Valley map
Afternoon
Nuvoloso, temporale pioggia Nuvoloso, temporale pioggia Nuvoloso, temporale pioggia Nuvoloso, temporale pioggia Nuvoloso, temporale pioggia Nuvoloso, temporale pioggia Aosta Valley map

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
Indice UV a cura di ARPA VDA
Solar ultraviolet radiation *
Mountain Very high
Valleys High

Next days

Mon 29 Jun 2026
820 905 Aosta Valley map
Tue 30 Jun 2026
800 820 Aosta Valley map
Wed 01 Jul 2026
845 845 Aosta Valley map
Thu 02 Jul 2026
810 810 Aosta Valley map
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.

Indice UV a cura di ARPA VDA * The solar ultraviolet radiation index is elaborated, starting from the weather forecast data, by Arpa Valle d'Aosta - Learn more »