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Hiking weather in the Great Saint Bernard Region

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Bionaz (1,600 m)

Right Now (11:43 Local Time)

Weather forecast for today: thunderstorms
min 10 °C
max 16 °C
thunderstorms
14 °C
Today, 20 Aug 2025:  Frequent rain throughout the day, and a chance of thunderstorms in the morning and evening.
© ZAMG

Next Hours

12 °C
14 °C
11 °C
Today   Tomorrow9 °C
12 °C
11 °C
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  • Today
    20 Aug
    min 10 °C
    max 16 °C
    1.5 h
    Frequent rain throughout the day, and a chance of thunderstorms in the morning and evening.
  • Tomorrow
    21 Aug
    min 9 °C
    max 14 °C
    3 h
    A chance of sunny periods in the morning, then frequent showers during the day.
  • Friday
    22 Aug
    min 7 °C
    max 18 °C
    11.5 h
    Some clouds in the morning, lateron much sunshine and hardly any clouds
  • Saturday
    23 Aug
    min 7 °C
    max 18 °C
    13.5 h
    Dry and sunny throughout the day with hardly any clouds.
  • Sunday
    24 Aug
    min 7 °C
    max 18 °C
    10.5 h
    Dry and bright with plenty of sunshine, clouds will be rare.
  • Monday
    25 Aug
    min 8 °C
    max 19 °C
    3 h
    Mostly cloudy through the day with a chance of occasional sunny spells.
  • Tuesday
    26 Aug
    min 9 °C
    max 17 °C
    3 h
    Unsettled with occasional rain and a long dry phase around noon.
  • Wednesday
    27 Aug
    min 9 °C
    max 20 °C
    10.5 h
    Dry and sunny throughout the day with hardly any clouds.
  • Thursday
    28 Aug
    min 9 °C
    max 20 °C
    12 h
    Dry and sunny throughout the day with hardly any clouds.

  • Morning

    party thunderstorms
    party thunderstorms
    12 °C
    Rain: 0 l/m2
    Fresh snow: 0 cm
    Wind direction: North
    Wind speed: 4 km/h
    Storm risk: 50 %
    Fog risk: 25 %
    Rain risk: 0 %

  • Noon

    light rain or drizzle
    light rain or drizzle
    14 °C
    Rain: 0 l/m2
    Fresh snow: 0 cm
    Wind direction: South-East
    Wind speed: 4 km/h
    Storm risk: 35 %
    Fog risk: 10 %
    Rain risk: 0 %

  • Evening

    thunderstorms
    thunderstorms
    11 °C
    Rain: 1 l/m2
    Fresh snow: 0 cm
    Wind direction: West
    Wind speed: 4 km/h
    Storm risk: 55 %
    Fog risk: 5 %
    Rain risk: 1 %
  • 3 l/m2
    85 %     0 cm 55 % 15 % 4 km/h
  • 3 l/m2
    80 %     0 cm 35 % 20 % 4 km/h
  • 0 l/m2
    5 %     0 cm 30 % 15 % 4 km/h
  • 0 l/m2
    5 %     0 cm 0 % 5 % 11 km/h
  • 0 l/m2
    10 %     0 cm 10 % 5 % 4 km/h
  • 2 l/m2
    40 %     0 cm 45 % 5 % 4 km/h
  • 3 l/m2
    65 %     0 cm 40 % 10 % 4 km/h
  • 0 l/m2
    35 %     0 cm 25 % 10 % 4 km/h
  • 0 l/m2
    30 %     0 cm 5 % 15 % 4 km/h

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