Montana weather live forecast

Today's maximum temperature in Montana is expected to be 20°C. Select a day from the live weather forecast for Montana (Helena), USA for more weather parameters.

5-day weather forecast updated at 04:01 on Monday 15th September 2025 GMT

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

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Below are temperatures expected today at popular countries, regions and places in Montana. Select a destination to see the detailed weather forecast for today, tomorrow and the outlook for the next five days.

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Montana weather forecast by day

Below are the detailed weather forecasts for Montana for the next 5 days. The forecasts shown are for Helena and may not represent the whole of Montana. Browse more destinations in Montana to view more weather forecasts.

Montana weather for Monday 15th September 2025

Expect sunshine and showers in Montana with a maximum temperature of 20°C, maximum UV of 3 (Moderate) and 6 hours of bright sunshine. There are 2-5 mm of rainfall expected with 6% chance of some rain and a gentle breeze of 18 kph from the west.

  • 20°C maximum temperature20
    °C maximum temperature
  • 9°C minimum temperature9
    °C minimum temperature
  • Sunshine and showers
    sunshine and showers
  • 6 hours of bright sunshine6
    hours of sunshine
  • UV (maximum) index 3 (Moderate)3
    UV index (Moderate)
  • 6% chance of some rain6
    % chance of some rain
  • 2-5 mm of rainfall expected<5
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Gentle breeze of 18 kph from the West18
    kph wind from W

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Montana weather for Tuesday 16th September 2025

Expect broken clouds in Montana with a maximum temperature of 21°C, maximum UV of 3 (Moderate) and 7 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 12 kph from the north.

  • 21°C maximum temperature21
    °C maximum temperature
  • 11°C minimum temperature11
    °C minimum temperature
  • Broken clouds
    broken clouds
  • 7 hours of bright sunshine7
    hours of sunshine
  • UV (maximum) index 3 (Moderate)3
    UV index (Moderate)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Light breeze of 12 kph from the North12
    kph wind from N

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Montana weather for Wednesday 17th September 2025

Expect scattered clouds in Montana with a maximum temperature of 25°C, maximum UV of 6 (High) and 11 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 13 kph from the east.

  • 25°C maximum temperature25
    °C maximum temperature
  • 9°C minimum temperature9
    °C minimum temperature
  • Scattered clouds
    scattered clouds
  • 11 hours of bright sunshine11
    hours of sunshine
  • UV (maximum) index 6 (High)6
    UV index (High)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • 25°C wind chill25
    °C wind chill
  • Gentle breeze of 13 kph from the East13
    kph wind from E

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Montana weather for Thursday 18th September 2025

Expect clear skies in Montana with a maximum temperature of 26°C, maximum UV of 6 (High) and 12 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 13 kph from the north-east.

  • 26°C maximum temperature26
    °C maximum temperature
  • 9°C minimum temperature9
    °C minimum temperature
  • Clear skies
    clear skies
  • 12 hours of bright sunshine12
    hours of sunshine
  • UV (maximum) index 6 (High)6
    UV index (High)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Gentle breeze of 13 kph from the North-East13
    kph wind from NE

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Montana weather for Friday 19th September 2025

Expect scattered clouds in Montana with a maximum temperature of 26°C, maximum UV of 6 (High) and 11 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 9 kph from the south-west.

  • 26°C maximum temperature26
    °C maximum temperature
  • 9°C minimum temperature9
    °C minimum temperature
  • Scattered clouds
    scattered clouds
  • 11 hours of bright sunshine11
    hours of sunshine
  • UV (maximum) index 6 (High)6
    UV index (High)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • 26°C wind chill26
    °C wind chill
  • Light breeze of 9 kph from the South-West9
    kph wind from SW

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Metric (°C / mm)  |  Imperial (°F / inches)

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