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Weather forecast

Weather forecast

Issued Thursday 14 May 2026 alle 11:48
Weather forecaster Silvia Monte
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Friday 15 May 2026

Morning
Nuvoloso Nuvoloso Coperto, pioggia/neve debole Coperto, pioggia/neve debole Coperto, pioggia/neve debole Coperto, pioggia/neve debole Aosta Valley map
Afternoon
Nuvoloso Nuvoloso Nuvoloso, pioggia/neve debole Nuvoloso, pioggia/neve debole Nuvoloso, pioggia/neve debole Nuvoloso, pioggia/neve debole Aosta Valley map

From cloudy to very cloudy with only partial sunny spells in the valleys during the morning, becoming gradually more frequent and widespread from the afternoon. Scattered and intermittent precipitation, generally light, possible everywhere but more likely along the borders and less so along the valley floor. Snow level around 1300 m in the morning, rising to 1600 m from the central hours of the day.

Temperatures: In the valleys minimum temperatures decreasing and maximum temperatures almost stable, in the mountains minimum temperatures slightly decreasing and maximum temperatures stable.

Pressure: slightly increasing.

Winds: 3000 m light from the W sectors, from mid-afternoon veering NW and strengthening to moderate; in the western and central valleys W-NW light in the morning then gradually strengthening to moderate, in the eastern valleys light E-SE in the morning, partially strengthening in the early afternoon, in the evening NW locally moderate.

Warnings: light snowfall over the N-W area.

Reliability
  • Freezing level: 1600m » 2100m
  • Temp 1500 m: 1°C » 7°C
  • Temp 3000 m: -10°C » -7°C
Temperature Min Max
Mountain
Valleys
Location Min Max
Aosta 9 °C 14 °C
Cogne 3 °C 5 °C
Courmayeur 4 °C 5 °C
Donnas 11 °C 17 °C
Gressoney-Saint-Jean 5 °C 8 °C
Breuil-Cervinia 0 °C 1 °C
Indice UV a cura di ARPA VDA
Solar ultraviolet radiation *
Mountain Moderate
Valleys Moderate

Saturday 16 May 2026

Morning
Sereno Sereno Poco nuvoloso Nuvoloso Poco nuvoloso Sereno Aosta Valley map
Afternoon
Sereno Sereno Nuvoloso Coperto Nuvoloso Sereno Aosta Valley map

Until mid-morning partly cloudy except near the N-W borders where cloudy with some associated intermittent light snowfall. Afterwards increasing clouds especially in the W, less elsewhere.

Temperatures: Generally stable or at most slightly decreasing, except maximum temperatures in the valleys slightly increasing; from the evening increasing at altitude.

Pressure: increasing.

Winds: 3000 m moderate or locally strong from N-NW, gradually easing from the afternoon; in the valleys W-NW generally light, strengthening to moderate during the central hours.

Reliability
  • Freezing level: 1600m » 2500m
Temperature Min Max
Mountain
Valleys
Location Min Max
Aosta 5 °C 14 °C
Cogne 3 °C 5 °C
Courmayeur 4 °C 7 °C
Donnas 9 °C 13 °C
Gressoney-Saint-Jean 4 °C 7 °C
Breuil-Cervinia -1 °C 0 °C
Indice UV a cura di ARPA VDA
Solar ultraviolet radiation *
Mountain High
Valleys High

Next days

Sun 17 May 2026
815 815 Aosta Valley map
Mon 18 May 2026
835 835 Aosta Valley map
Tue 19 May 2026
835 835 Aosta Valley map
Wed 20 May 2026
815 815 Aosta Valley map
Reliability

Sunday sunny in the morning with cumulus development from the central hours of the day, becoming partly cloudy. Monday and Tuesday fairly sunny, locally cloudy due to cumulus with some associated showers along the borders. Wednesday sunny.

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 »