Montana weather live forecast

Tomorrow's maximum temperature in Montana is expected to be 15°C.

5-day weather forecast updated at 04:01 on Tuesday 15th July 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 Tuesday 15th July 2025

Expect isolated thunderstorms in Montana with a maximum temperature of 15°C, maximum UV of 1 (Low) and no hours of bright sunshine. There are 5-10 mm of rainfall expected with 87% chance of some rain and a moderate breeze of 25 kph from the north-west.

  • 15°C maximum temperature15
    °C maximum temperature
  • 11°C minimum temperature11
    °C minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • No hours of bright sunshine0
    hours of sunshine
  • UV (maximum) index 1 (Low)1
    UV index (Low)
  • 87% chance of some rain87
    % chance of some rain
  • 5-10 mm of rainfall expected<10
    mm of rainfall expected
  • 15°C wind chill15
    °C wind chill
  • Moderate breeze of 25 kph from the North-West25
    kph wind from NW

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Montana weather for Wednesday 16th July 2025

Expect broken clouds in Montana with a maximum temperature of 23°C, maximum UV of 5 (Moderate) and 9 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 15 kph from the east.

  • 23°C maximum temperature23
    °C maximum temperature
  • 10°C minimum temperature10
    °C minimum temperature
  • Broken clouds
    broken clouds
  • 9 hours of bright sunshine9
    hours of sunshine
  • UV (maximum) index 5 (Moderate)5
    UV index (Moderate)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Gentle breeze of 15 kph from the East15
    kph wind from E

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Montana weather for Thursday 17th July 2025

Expect clear skies in Montana with a maximum temperature of 31°C, moderate levels of heat & humidity, maximum UV of 8 (Very High) and 15 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 19 kph from the north-west.

  • 31°C maximum temperature31
    °C maximum temperature
  • 10°C minimum temperature10
    °C minimum temperature
  • Clear skies
    clear skies
  • 15 hours of bright sunshine15
    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 19 kph from the North-West19
    kph wind from NW

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Montana weather for Friday 18th July 2025

Expect scattered clouds in Montana with a maximum temperature of 30°C, moderate levels of heat & humidity, maximum UV of 8 (Very High) and 12 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 17 kph from the north.

  • 30°C maximum temperature30
    °C maximum temperature
  • 14°C minimum temperature14
    °C minimum temperature
  • Scattered clouds
    scattered clouds
  • 12 hours of bright sunshine12
    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 17 kph from the North17
    kph wind from N

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Montana weather for Saturday 19th July 2025

Expect isolated thunderstorms in Montana with a maximum temperature of 32°C, moderate levels of heat & humidity, maximum UV of 8 (Very High) and 9 hours of bright sunshine. There are 0-2 mm of rainfall expected with 5% chance of some rain and a gentle breeze of 18 kph from the north-west.

  • 32°C maximum temperature32
    °C maximum temperature
  • 13°C minimum temperature13
    °C minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 9 hours of bright sunshine9
    hours of sunshine
  • UV (maximum) index 8 (Very High)8
    UV index (Very High)
  • 5% chance of some rain5
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • Moderate heat & humidityM
    moderate heat & humidity
  • Gentle breeze of 18 kph from the North-West18
    kph wind from NW

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

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