West Yellowstone weather live forecast

Today's maximum temperature in West Yellowstone is expected to be 70°F. Select a day from the live weather forecast for West Yellowstone, Montana, USA for more weather parameters.

5-day weather forecast updated at 04:04 on Thursday 18th September 2025 GMT

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The 5-day weather forecast for Montana (West Yellowstone) is provided by the Swiss meteorological agency, meteoblue. Find out more about our data sources.

West Yellowstone weather forecast by day

Below are the detailed weather forecasts for West Yellowstone for the next 5 days.

West Yellowstone weather for Thursday 18th September 2025

Expect scattered clouds in West Yellowstone, Montana with a maximum temperature of 70°F, maximum UV of 7 (High) and 10 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 7 mph from the south-west.

  • 70°F maximum temperature70
    °F maximum temperature
  • 36°F minimum temperature36
    °F minimum temperature
  • Scattered clouds
    scattered clouds
  • 10 hours of bright sunshine10
    hours of sunshine
  • UV (maximum) index 7 (High)7
    UV index (High)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • 70°F wind chill70
    °F wind chill
  • Light breeze of 7 mph from the South-West7
    mph wind from SW

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West Yellowstone weather for Friday 19th September 2025

Expect broken clouds in West Yellowstone, Montana with a maximum temperature of 73°F, maximum UV of 6 (High) and 5 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 6 mph from the south-west.

  • 73°F maximum temperature73
    °F maximum temperature
  • 39°F minimum temperature39
    °F minimum temperature
  • Broken clouds
    broken clouds
  • 5 hours of bright sunshine5
    hours of sunshine
  • UV (maximum) index 6 (High)6
    UV index (High)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • 73°F wind chill73
    °F wind chill
  • Light breeze of 6 mph from the South-West6
    mph wind from SW

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West Yellowstone weather for Saturday 20th September 2025

Expect scattered clouds in West Yellowstone, Montana with a maximum temperature of 73°F, maximum UV of 7 (High) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 9 mph from the south-west.

  • 73°F maximum temperature73
    °F maximum temperature
  • 37°F minimum temperature37
    °F minimum temperature
  • Scattered clouds
    scattered clouds
  • 8 hours of bright sunshine8
    hours of sunshine
  • UV (maximum) index 7 (High)7
    UV index (High)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Gentle breeze of 9 mph from the South-West9
    mph wind from SW

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West Yellowstone weather for Sunday 21st September 2025

Expect sunshine and showers in West Yellowstone, Montana with a maximum temperature of 66°F, maximum UV of 6 (High) and 7 hours of bright sunshine. There are 0-2 mm of rainfall expected with 47% chance of some rain and a gentle breeze of 9 mph from the south-west.

  • 66°F maximum temperature66
    °F maximum temperature
  • 37°F minimum temperature37
    °F minimum temperature
  • Sunshine and showers
    sunshine and showers
  • 7 hours of bright sunshine7
    hours of sunshine
  • UV (maximum) index 6 (High)6
    UV index (High)
  • 47% chance of some rain47
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Gentle breeze of 9 mph from the South-West9
    mph wind from SW

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West Yellowstone weather for Monday 22nd September 2025

Expect scattered clouds in West Yellowstone, Montana with a maximum temperature of 66°F, maximum UV of 6 (High) and 10 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 9 mph from the west.

  • 66°F maximum temperature66
    °F maximum temperature
  • 32°F minimum temperature32
    °F minimum temperature
  • Scattered clouds
    scattered clouds
  • 10 hours of bright sunshine10
    hours of sunshine
  • UV (maximum) index 6 (High)6
    UV index (High)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • 66°F wind chill66
    °F wind chill
  • Gentle breeze of 9 mph from the West9
    mph wind from W

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