Helena, Montana | 10-Day Weather Forecasts & Weekend Weather | WeatherBug
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10 Day Forecast
  • Forecast day icon
    Thursday
    40% Chance of Rain
    59°
    Forecast night icon
    Night
    Mostly Clear
    38°
    Thursday 5/9
    Day
    59°
    40% Chance of Rain
    Forecast day icon
    Night
    38°
    Mostly Clear
    Forecast night icon
    Hourly
    Day Details
    Not as cool. Mostly cloudy with a 40 percent chance of rain in the morning then partly cloudy in the afternoon. Highs 55 to 60. Northwest winds 5 to 15 mph.
    Night Details
    Mostly clear. Lows in the mid 30s. North winds up to 10 mph shifting to the southwest after midnight.
  • Forecast day icon
    Friday
    Sunny
    69°
    Forecast night icon
    Night
    Clear
    43°
    Friday 5/10
    Day
    69°
    Sunny
    Forecast day icon
    Night
    43°
    Clear
    Forecast night icon
    Hourly
    Day Details
    Warmer sunny. Highs 65 to 70. Southeast winds up to 10 mph.
    Night Details
    Clear. Lows around 40. Southeast winds 5 to 10 mph.
  • Forecast day icon
    Saturday
    Mostly Sunny
    74°
    Forecast night icon
    Night
    Mostly Clear
    46°
    Saturday 5/11
    Day
    74°
    Mostly Sunny
    Forecast day icon
    Night
    46°
    Mostly Clear
    Forecast night icon
    Hourly
    Day Details
    Mostly clear. Highs around 75. Lows around 45.
    Night Details
    Mostly clear. Highs around 75. Lows around 45.
  • Forecast day icon
    Sunday
    Sunny
    77°
    Forecast night icon
    Night
    Mostly Clear
    48°
    Sunday 5/12
    Day
    77°
    Sunny
    Forecast day icon
    Night
    48°
    Mostly Clear
    Forecast night icon
    Hourly
    Day Details
    Sunny. Highs 75 to 80.
    Night Details
    Mostly clear. Lows 45 to 50.
  • Forecast day icon
    Monday
    Partly Cloudy
    71°
    Forecast night icon
    Night
    Partly Cloudy
    48°
    Monday 5/13
    Day
    71°
    Partly Cloudy
    Forecast day icon
    Night
    48°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Partly cloudy. Highs around 75. Lows 45 to 50.
    Night Details
    Partly cloudy. Highs around 75. Lows 45 to 50.
  • Forecast day icon
    Tuesday
    30% Chance of Storms
    70°
    Forecast night icon
    Night
    Partly Cloudy
    45°
    Tuesday 5/14
    Day
    70°
    30% Chance of Storms
    Forecast day icon
    Night
    45°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Mostly cloudy with chance of rain showers and slight chance of thunderstorms. Highs around 70. Chance of precipitation 30 percent.
    Night Details
    Partly cloudy with a 20 percent chance of rain. Lows 40 to 45. Highs 65 to 70.
  • Forecast day icon
    Wednesday
    Partly Cloudy
    72°
    Forecast night icon
    Night
    Mostly Clear
    44°
    Wednesday 5/15
    Day
    72°
    Partly Cloudy
    Forecast day icon
    Night
    44°
    Mostly Clear
    Forecast night icon
    Day Details
    Partly cloudy with a 20 percent chance of rain. Lows 40 to 45. Highs 65 to 70.
    Night Details
    Mostly clear. Low temperature around 44F. Dew point will be around 39F with an average humidity of 53%. Winds will be 9 mph from the W.
  • Forecast day icon
    Thursday
    Sunny
    68°
    Forecast night icon
    Night
    Clear
    41°
    Thursday 5/16
    Day
    68°
    Sunny
    Forecast day icon
    Night
    41°
    Clear
    Forecast night icon
    Day Details
    Sunny. High temperature around 68F. Dew point will be around 39F with an average humidity of 46%. Winds will be 11 mph from the W.
    Night Details
    Clear. Low temperature around 41F. Dew point will be around 35F with an average humidity of 56%. Winds will be 9 mph from the W.
  • Forecast day icon
    Friday
    Sunny
    67°
    Forecast night icon
    Night
    Clear
    41°
    Friday 5/17
    Day
    67°
    Sunny
    Forecast day icon
    Night
    41°
    Clear
    Forecast night icon
    Day Details
    Sunny. High temperature around 67F. Dew point will be around 35F with an average humidity of 44%. Winds will be 9 mph from the W.
    Night Details
    Clear. Low temperature around 41F. Dew point will be around 36F with an average humidity of 58%. Winds will be 6 mph from the W.
  • Forecast day icon
    Saturday
    Sunny
    69°
    Forecast night icon
    Night
    Clear
    44°
    Saturday 5/18
    Day
    69°
    Sunny
    Forecast day icon
    Night
    44°
    Clear
    Forecast night icon
    Day Details
    Sunny. High temperature around 69F. Dew point will be around 39F with an average humidity of 49%. Winds will be 4 mph from the NW.
    Night Details
    Clear. Low temperature around 44F. Dew point will be around 41F with an average humidity of 64%. Winds will be 4 mph from the NW.