Weather Forecast for Aosta

Valle d'Aosta, Italy

select dropwdown icon
Share
Partly cloudy

Current Weather - Aosta: 4°C

Valle d'Aosta, Italy

Partly cloudy

Feels like 4°C

Wind

4 km/h SW

Humidity

81%

Pressure

1013 mb

UV Index

2

Visibility

10 km

Light freezing rain

Light freezing rain

Wednesday, February 18, 2026

High

3°C

Low

-9°C

Rain Chance

77%

Hourly Forecast

Partly cloudy 4°C
14:00
Patchy rain nearby 2°C
15:00
Light freezing rain 1°C
16:00
Light freezing rain -0°C
17:00
Partly Cloudy -2°C
18:00
Partly Cloudy -3°C
19:00
Partly Cloudy -3°C
20:00
Light freezing rain -4°C
21:00
Light freezing rain -4°C
22:00
Light freezing rain -5°C
23:00
Feb 19

Day Statistics

Maximum Wind

12 km/h

Humidity

78%

Precipitation

1 mm

UV Index

1

Visibility

10 km

Rain Chance

77%

Snow Chance

34%

Sun & Moon

Sunrise

07:28 AM

Sunset

06:01 PM

Moonrise

07:55 AM

Moonset

07:20 PM

Moon Phase

Waxing Crescent

Moon Illumination

0%

Air Quality

PM2.5

6.2

μg/m³

PM10

7.3

μg/m³

NO₂

7

μg/m³

O₃

63.6

μg/m³

SO₂

1.2

μg/m³

CO

150.7

μg/m³

US EPA Index: 1 GB DEFRA Index: 1

Solar Radiation Data

Shortwave Radiation

235.68

Diffuse Radiation

129.65

DNI

196.58

GTI

73

Weather Alerts

Yellow Wind Warning for Italy - Valle d'Aosta

Valle d'Aosta Feb 19, 01:00 AM - Feb 19, 11:59 PM
Severity: Moderate Urgency: Future

Moderate intensity weather phenomena expected (DISCLAIMER: "Information provided on METEOALARM for Italy regard only the intensity and recurrence of the phenomena, further details can be found at www.meteoam.it. METEOALARM information do not provide the assessment of impact on the territory and they do not represent the Official Alerts messages that are issued by the National Civil Protection Service https://www.protezionecivile.gov.it")

BE AWARE, keep up to date with the latest weather forecast. Expect some minor disruption to outdoor activities

Event: Yellow Wind Warning Certainty: Likely Category: Met

Yellow Snow-ice Warning for Italy - Valle d'Aosta

Valle d'Aosta Feb 19, 01:00 AM - Feb 19, 11:59 PM
Severity: Moderate Urgency: Future

Moderate intensity weather phenomena expected SNOW> 800 M (DISCLAIMER: "Information provided on METEOALARM for Italy regard only the intensity and recurrence of the phenomena, further details can be found at www.meteoam.it. METEOALARM information do not provide the assessment of impact on the territory and they do not represent the Official Alerts messages that are issued by the National Civil Protection Service https://www.protezionecivile.gov.it")

BE AWARE, keep up to date with the latest weather forecast. Expect some minor disruption to outdoor activities

Event: Yellow Snow-ice Warning Certainty: Likely Category: Met

Snowfall

Val d'Entremont - Val Ferret Feb 18, 09:10 AM - Feb 20, 08:00 AM
Severity: Moderate Urgency: Future

- Warning valid above 1400 m a.s.l. - Possible impacts: Icy conditions due to snow-covered roads. - Recommendations for action: Stay informed of the driving conditions (e.g. via radio, by calling the 163 telephone service, through television or online media). Check the daily avalanche bulletin and the additional information provided by the WSL Institute for Snow and Avalanche Research SLF. - Expected amounts: above 1400 m a.s.l. 30 - 50 cm - Snowfall limit: 1000 - 1200 m (sinking)

Stay informed of the driving conditions (e.g. via radio, by calling the 163 telephone service, through television or online media). Check the daily avalanche bulletin and the additional information provided by the WSL Institute for Snow and Avalanche Research SLF.

Event: Snowfall Certainty: Likely Category: Met

When to visit Aosta?

Plan your perfect trip with our month-by-month weather guide

⭐ Best months: February March August

January

☀️
-5°C
💧
15 Days of rain
❄️
Very heavy snowfall
🥶 Coldest month

February

☀️
-3°C
💧
13 Days of rain
❄️
Very heavy snowfall
Best time to visit
🌵 Driest month

March

☀️
1°C
💧
14 Days of rain
❄️
Very heavy snowfall
Best time to visit

April

☀️
4°C
💧
15 Days of rain
❄️
Very heavy snowfall

May

☀️
9°C
💧
17 Days of rain
❄️
Very heavy snowfall

June

☀️
15°C
💧
16 Days of rain
❄️
Very heavy snowfall

July

☀️
17°C
💧
15 Days of rain
❄️
Moderate snowfall
🔥 Hottest month

August

☀️
17°C
💧
13 Days of rain
❄️
Moderate snowfall
Best time to visit

September

☀️
13°C
💧
14 Days of rain
❄️
Very heavy snowfall

October

☀️
8°C
💧
15 Days of rain
❄️
Very heavy snowfall

November

☀️
1°C
💧
19 Days of rain
❄️
Very heavy snowfall
🌧 Wettest month,

December

☀️
-4°C
💧
17 Days of rain
❄️
Very heavy snowfall