Helena weather live forecast

Tomorrow's maximum temperature in Helena is expected to be 19°C.

5-day weather forecast updated at 04:00 on Thursday 1st May 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.

Helena weather forecast by day

Below are the detailed weather forecasts for Helena for the next 5 days.

Helena weather for Thursday 1st May 2025

Expect scattered clouds in Helena, Montana with a maximum temperature of 19°C, maximum UV of 6 (High) and 10 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 9 kph from the west.

  • 19°C maximum temperature19
    °C maximum temperature
  • 4°C minimum temperature4
    °C 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
  • 19°C wind chill19
    °C wind chill
  • Light breeze of 9 kph from the West9
    kph wind from W

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Helena weather for Friday 2nd May 2025

Expect clear skies in Helena, Montana with a maximum temperature of 25°C, maximum UV of 8 (Very High) and 14 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 14 kph from the south-west.

  • 25°C maximum temperature25
    °C maximum temperature
  • 4°C minimum temperature4
    °C 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
  • No heat & humidity0
    no heat & humidity
  • Gentle breeze of 14 kph from the South-West14
    kph wind from SW

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Helena weather for Saturday 3rd May 2025

Expect scattered clouds in Helena, Montana with a maximum temperature of 27°C, low levels of heat & humidity, maximum UV of 8 (Very High) and 10 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 18 kph from the south-east.

  • 27°C maximum temperature27
    °C maximum temperature
  • 7°C minimum temperature7
    °C minimum temperature
  • Scattered clouds
    scattered clouds
  • 10 hours of bright sunshine10
    hours of sunshine
  • UV (maximum) index 8 (Very High)8
    UV index (Very High)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • Low heat & humidityL
    low heat & humidity
  • Gentle breeze of 18 kph from the South-East18
    kph wind from SE

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Helena weather for Sunday 4th May 2025

Expect mostly cloudy with rain in Helena, Montana with a maximum temperature of 21°C, maximum UV of 7 (High) and 2 hours of bright sunshine. There are 5-10 mm of rainfall expected with 66% chance of some rain and a moderate breeze of 28 kph from the north.

  • 21°C maximum temperature21
    °C maximum temperature
  • 6°C minimum temperature6
    °C minimum temperature
  • Mostly cloudy with rain
    mostly cloudy with rain
  • 2 hours of bright sunshine2
    hours of sunshine
  • UV (maximum) index 7 (High)7
    UV index (High)
  • 66% chance of some rain66
    % chance of some rain
  • 5-10 mm of rainfall expected<10
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Moderate breeze of 28 kph from the North28
    kph wind from N

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Helena weather for Monday 5th May 2025

Expect cloudy with some rain in Helena, Montana with a maximum temperature of 12°C, maximum UV of 2 (Low) and no hours of bright sunshine. There are 20-30 mm of rainfall expected with 40% chance of some rain and a gentle breeze of 17 kph from the north.

  • 12°C maximum temperature12
    °C maximum temperature
  • 5°C minimum temperature5
    °C minimum temperature
  • Cloudy with some rain
    cloudy with some rain
  • No hours of bright sunshine0
    hours of sunshine
  • UV (maximum) index 2 (Low)2
    UV index (Low)
  • 40% chance of some rain40
    % chance of some rain
  • 20-30 mm of rainfall expected<30
    mm of rainfall expected
  • 12°C wind chill12
    °C wind chill
  • Gentle breeze of 17 kph from the North17
    kph wind from N

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

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