Helena weather live forecast

Tomorrow's maximum temperature in Helena is expected to be 21°C.

  • Sunday
    4th May
    Mostly cloudy with light rain (2-5 mm of rainfall expected)
  • Monday
    5th May
    Mostly cloudy with rain (5-10 mm of rainfall expected)
  • Tuesday
    6th May
    Clear skies
  • Wednesday
    7th May
    Clear skies
  • Thursday
    8th May
    Scattered clouds

5-day weather forecast updated at 04:00 on Sunday 4th 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 Sunday 4th May 2025

Expect mostly cloudy with light rain in Helena, Montana with a maximum temperature of 21°C, maximum UV of 6 (High) and 5 hours of bright sunshine. There are 2-5 mm of rainfall expected with 65% chance of some rain and a moderate breeze of 27 kph from the north-west.

  • 21°C maximum temperature21
    °C maximum temperature
  • 6°C minimum temperature6
    °C minimum temperature
  • Mostly cloudy with light rain
    mostly cloudy with light rain
  • 5 hours of bright sunshine5
    hours of sunshine
  • UV (maximum) index 6 (High)6
    UV index (High)
  • 65% chance of some rain65
    % chance of some rain
  • 2-5 mm of rainfall expected<5
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Moderate breeze of 27 kph from the North-West27
    kph wind from NW

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Helena weather for Monday 5th May 2025

Expect mostly cloudy with rain in Helena, Montana with a maximum temperature of 11°C, maximum UV of 2 (Low) and 3 hours of bright sunshine. There are 5-10 mm of rainfall expected with 56% chance of some rain and a moderate breeze of 20 kph from the north.

  • 11°C maximum temperature11
    °C maximum temperature
  • 4°C minimum temperature4
    °C minimum temperature
  • Mostly cloudy with rain
    mostly cloudy with rain
  • 3 hours of bright sunshine3
    hours of sunshine
  • UV (maximum) index 2 (Low)2
    UV index (Low)
  • 56% chance of some rain56
    % chance of some rain
  • 5-10 mm of rainfall expected<10
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Moderate breeze of 20 kph from the North20
    kph wind from N

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Helena weather for Tuesday 6th May 2025

Expect clear skies in Helena, Montana with a maximum temperature of 17°C, maximum UV of 5 (Moderate) and 15 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 15 kph from the east.

  • 17°C maximum temperature17
    °C maximum temperature
  • 0°C minimum temperature0
    °C minimum temperature
  • Clear skies
    clear skies
  • 15 hours of bright sunshine15
    hours of sunshine
  • UV (maximum) index 5 (Moderate)5
    UV index (Moderate)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • 17°C wind chill17
    °C wind chill
  • Gentle breeze of 15 kph from the East15
    kph wind from E

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Helena weather for Wednesday 7th May 2025

Expect clear skies in Helena, Montana with a maximum temperature of 24°C, maximum UV of 7 (High) and 13 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 20 kph from the south.

  • 24°C maximum temperature24
    °C maximum temperature
  • 1°C minimum temperature1
    °C minimum temperature
  • Clear skies
    clear skies
  • 13 hours of bright sunshine13
    hours of sunshine
  • UV (maximum) index 7 (High)7
    UV index (High)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • 24°C wind chill24
    °C wind chill
  • Moderate breeze of 20 kph from the South20
    kph wind from S

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Helena weather for Thursday 8th May 2025

Expect scattered clouds in Helena, Montana with a maximum temperature of 24°C, maximum UV of 7 (High) and 12 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 24 kph from the west.

  • 24°C maximum temperature24
    °C maximum temperature
  • 6°C minimum temperature6
    °C minimum temperature
  • Scattered clouds
    scattered clouds
  • 12 hours of bright sunshine12
    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
  • Moderate breeze of 24 kph from the West24
    kph wind from W

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

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