West Yellowstone weather live forecast

Today's maximum temperature in West Yellowstone is expected to be 84°F. Select a day from the live weather forecast for West Yellowstone, Montana, USA for more weather parameters.

5-day weather forecast updated at 04:03 on Friday 15th August 2025 GMT

More about West Yellowstone

West Yellowstone by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Recommended for Montana

GO Airport Shuttle discount code: 5% off airport transfers

  • Save EXTRA 5% on airport transfers worldwide
  • Book private taxis & shuttle buses with discount code
  • Enter in coupon box on 'Reservations' page
Show discount codeShow discount code ******WEB
Redeem GO Airport Shuttle discount code >>

Expires at 23:59 on Wednesday 31st Dec 2025

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 Friday 15th August 2025

Expect scattered clouds in West Yellowstone, Montana with a maximum temperature of 84°F, low levels of heat & humidity, maximum UV of 7 (High) and 9 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 13 mph from the south-west.

  • 84°F maximum temperature84
    °F maximum temperature
  • 45°F minimum temperature45
    °F minimum temperature
  • Scattered clouds
    scattered clouds
  • 9 hours of bright sunshine9
    hours of sunshine
  • UV (maximum) index 7 (High)7
    UV index (High)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • Low heat & humidityL
    low heat & humidity
  • Moderate breeze of 13 mph from the South-West13
    mph wind from SW

Back to top

West Yellowstone weather for Saturday 16th August 2025

Expect scattered clouds in West Yellowstone, Montana with a maximum temperature of 82°F, low levels of heat & humidity, maximum UV of 7 (High) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 11 mph from the south-west.

  • 82°F maximum temperature82
    °F maximum temperature
  • 45°F minimum temperature45
    °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
  • Low heat & humidityL
    low heat & humidity
  • Gentle breeze of 11 mph from the South-West11
    mph wind from SW

Back to top

West Yellowstone weather for Sunday 17th August 2025

Expect broken clouds in West Yellowstone, Montana with a maximum temperature of 81°F, maximum UV of 6 (High) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 11 mph from the south-west.

  • 81°F maximum temperature81
    °F maximum temperature
  • 46°F minimum temperature46
    °F minimum temperature
  • Broken clouds
    broken clouds
  • 6 hours of bright sunshine6
    hours of sunshine
  • UV (maximum) index 6 (High)6
    UV index (High)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • 81°F wind chill81
    °F wind chill
  • Gentle breeze of 11 mph from the South-West11
    mph wind from SW

Back to top

West Yellowstone weather for Monday 18th August 2025

Expect scattered clouds in West Yellowstone, Montana with a maximum temperature of 82°F, low levels of heat & humidity, maximum UV of 7 (High) and 9 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 11 mph from the south-west.

  • 82°F maximum temperature82
    °F maximum temperature
  • 43°F minimum temperature43
    °F minimum temperature
  • Scattered clouds
    scattered clouds
  • 9 hours of bright sunshine9
    hours of sunshine
  • UV (maximum) index 7 (High)7
    UV index (High)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • Low heat & humidityL
    low heat & humidity
  • Gentle breeze of 11 mph from the South-West11
    mph wind from SW

Back to top

West Yellowstone weather for Tuesday 19th August 2025

Expect clear skies in West Yellowstone, Montana with a maximum temperature of 86°F, moderate levels of heat & humidity, maximum UV of 8 (Very High) and 14 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 9 mph from the south-west.

  • 86°F maximum temperature86
    °F maximum temperature
  • 43°F minimum temperature43
    °F minimum temperature
  • Clear skies
    clear skies
  • 14 hours of bright sunshine14
    hours of sunshine
  • UV (maximum) index 8 (Very High)8
    UV index (Very High)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • Moderate heat & humidityM
    moderate heat & humidity
  • Gentle breeze of 9 mph from the South-West9
    mph wind from SW

Back to top

Cosmos: up to £900 savings on 2026 tours

  • Save up to £900 per couple on 2026 tours worldwide
  • Discount varies by destination. T&Cs apply
  • Travel between 1st Jan & 31st Dec 2026 (inclusive)
Go to Cosmos deal >>

Expires at 23:59 on Tuesday 30th Sep 2025 · View all Cosmos offers

CosmosTour deal finder

Metric (°C)  |  Imperial (°F)

Back to top

More about the USA

Related posts

Popular travel offers

Explore holidays in the sun for less

More holidays

Airport parking

More parking

Airport lounges

More lounges

Top ^