Helena, Montana | 10-Day Weather Forecasts & Weekend Weather | WeatherBug
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10 Day Forecast
  • Forecast day icon
    Friday
    Sunny
    71°
    Forecast night icon
    Night
    Mostly Clear
    44°
    Friday 5/10
    Day
    71°
    Sunny
    Forecast day icon
    Night
    44°
    Mostly Clear
    Forecast night icon
    Hourly
    Day Details
    Sunny. High temperature around 71F. Dew point will be around 39F with an average humidity of 70%. Winds will be 4 mph from the E.
    Night Details
    Mostly clear. Lows around 40. South winds up to 10 mph.
  • Forecast day icon
    Saturday
    Sunny
    78°
    Forecast night icon
    Night
    Partly Cloudy
    47°
    Saturday 5/11
    Day
    78°
    Sunny
    Forecast day icon
    Night
    47°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Sunny. Highs 75 to 80. Southeast winds up to 10 mph shifting to the northwest in the afternoon.
    Night Details
    Partly cloudy. Lows in the mid 40s. Northwest winds 5 to 15 mph shifting to the west 5 to 10 mph after midnight.
  • Forecast day icon
    Sunday
    Sunny
    78°
    Forecast night icon
    Night
    Mostly Clear
    47°
    Sunday 5/12
    Day
    78°
    Sunny
    Forecast day icon
    Night
    47°
    Mostly Clear
    Forecast night icon
    Hourly
    Day Details
    Sunny. Highs around 80. West winds 5 to 10 mph.
    Night Details
    Mostly clear. Lows around 50. West winds 5 to 15 mph.
  • Forecast day icon
    Monday
    Sunny
    74°
    Forecast night icon
    Night
    Mostly Cloudy
    50°
    Monday 5/13
    Day
    74°
    Sunny
    Forecast day icon
    Night
    50°
    Mostly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Sunny with a 20 percent chance of thunderstorms. Highs around 75.
    Night Details
    Mostly cloudy. Lows 45 to 50.
  • Forecast day icon
    Tuesday
    60% Chance of Storms
    62°
    Forecast night icon
    Night
    Partly Cloudy
    43°
    Tuesday 5/14
    Day
    62°
    60% Chance of Storms
    Forecast day icon
    Night
    43°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Cooler. Rain showers likely and slight chance of thunderstorms. Highs around 65. Chance of precipitation 60 percent.
    Night Details
    Partly cloudy with a 20 percent chance of rain. Lows 40 to 45.
  • Forecast day icon
    Wednesday
    30% Chance of Rain
    69°
    Forecast night icon
    Night
    Partly Cloudy
    46°
    Wednesday 5/15
    Day
    69°
    30% Chance of Rain
    Forecast day icon
    Night
    46°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Partly cloudy with a 30 percent chance of rain. Highs around 70.
    Night Details
    Partly cloudy with a 20 percent chance of rain. Lows around 45.
  • Forecast day icon
    Thursday
    30% Chance of Storms
    61°
    Forecast night icon
    Night
    Partly Cloudy
    44°
    Thursday 5/16
    Day
    61°
    30% Chance of Storms
    Forecast day icon
    Night
    44°
    Partly Cloudy
    Forecast night icon
    Day Details
    Partly cloudy with chance of rain showers and slight chance of thunderstorms. Highs 70 to 75. Chance of precipitation 30 percent.
    Night Details
    Partly cloudy with a 20 percent chance of rain. Lows around 45. Highs 70 to 75.
  • Forecast day icon
    Friday
    Partly Cloudy
    68°
    Forecast night icon
    Night
    30% Chance of Rain
    45°
    Friday 5/17
    Day
    68°
    Partly Cloudy
    Forecast day icon
    Night
    45°
    30% Chance of Rain
    Forecast night icon
    Day Details
    Partly cloudy with a 20 percent chance of rain. Lows around 45. Highs 70 to 75.
    Night Details
    Clear with a slight chance of rain. Chance of precipitation 25%. Low temperature around 45F. Dew point will be around 41F with an average humidity of 62%. Winds will be 4 mph from the W.
  • Forecast day icon
    Saturday
    30% Chance of Rain
    68°
    Forecast night icon
    Night
    Clear
    45°
    Saturday 5/18
    Day
    68°
    30% Chance of Rain
    Forecast day icon
    Night
    45°
    Clear
    Forecast night icon
    Day Details
    Sunny with a slight chance of rain. Chance of precipitation 25%. High temperature around 68F. Dew point will be around 43F with an average humidity of 54%. Winds will be 6 mph from the N.
    Night Details
    Clear. Low temperature around 45F. Dew point will be around 42F with an average humidity of 66%. Winds will be 4 mph from the W.
  • Forecast day icon
    Sunday
    30% Chance of Rain
    68°
    Forecast night icon
    Night
    30% Chance of Rain
    45°
    Sunday 5/19
    Day
    68°
    30% Chance of Rain
    Forecast day icon
    Night
    45°
    30% Chance of Rain
    Forecast night icon
    Day Details
    Sunny with a slight chance of rain. Chance of precipitation 25%. High temperature around 68F. Dew point will be around 44F with an average humidity of 56%. Winds will be 6 mph from the NW.
    Night Details
    Mostly cloudy with a slight chance of rain. Chance of precipitation 30%. Low temperature around 45F. Dew point will be around 43F with an average humidity of 69%. Winds will be 5 mph from the W.