Helena, Montana | 10-Day Weather Forecasts & Weekend Weather | WeatherBug
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10 Day Forecast
  • Forecast night icon
    Night
    Partly Cloudy
    48°
    Saturday 5/11
    Forecast night icon
    48°
    Partly Cloudy
    Hourly
    Night Details
    Partly cloudy. Lows 45 to 50. West winds 5 to 15 mph.
  • Forecast day icon
    Sunday
    Sunny
    80°
    Forecast night icon
    Night
    Mostly Clear
    49°
    Sunday 5/12
    Day
    80°
    Sunny
    Forecast day icon
    Night
    49°
    Mostly Clear
    Forecast night icon
    Hourly
    Day Details
    Sunny. Highs around 80. West winds 5 to 15 mph.
    Night Details
    Mostly clear. Lows around 50. West winds 5 to 15 mph.
  • Forecast day icon
    Monday
    Partly Cloudy
    75°
    Forecast night icon
    Night
    Partly Cloudy
    52°
    Monday 5/13
    Day
    75°
    Partly Cloudy
    Forecast day icon
    Night
    52°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Sunny in the morning then partly cloudy with a 20 percent chance of rain in the afternoon. Highs around 75. Southwest winds 5 to 10 mph shifting to the west 10 to 20 mph in the afternoon.
    Night Details
    Breezy. Partly cloudy. A 20 percent chance of rain in the evening. Lows around 50. West winds 15 to 25 mph decreasing to 5 to 10 mph after midnight.
  • Forecast day icon
    Tuesday
    70% Chance of Storms
    65°
    Forecast night icon
    Night
    Partly Cloudy
    43°
    Tuesday 5/14
    Day
    65°
    70% Chance of Storms
    Forecast day icon
    Night
    43°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Cooler. Rain showers likely and chance of thunderstorms. Highs around 65. Chance of precipitation 70 percent.
    Night Details
    Colder. Partly cloudy. Lows 40 to 45.
  • Forecast day icon
    Wednesday
    Sunny
    73°
    Forecast night icon
    Night
    Partly Cloudy
    49°
    Wednesday 5/15
    Day
    73°
    Sunny
    Forecast day icon
    Night
    49°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Sunny. Highs 70 to 75.
    Night Details
    Partly cloudy with a 20 percent chance of rain. Lows 45 to 50.
  • Forecast day icon
    Thursday
    30% Chance of Rain
    75°
    Forecast night icon
    Night
    Partly Cloudy
    43°
    Thursday 5/16
    Day
    75°
    30% Chance of Rain
    Forecast day icon
    Night
    43°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Mostly cloudy with a 30 percent chance of rain. Highs 70 to 75.
    Night Details
    Partly cloudy with a 20 percent chance of rain. Lows around 45.
  • Forecast day icon
    Friday
    Partly Cloudy
    69°
    Forecast night icon
    Night
    Partly Cloudy
    44°
    Friday 5/17
    Day
    69°
    Partly Cloudy
    Forecast day icon
    Night
    44°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Partly cloudy with a 20 percent chance of thunderstorms. Highs around 70.
    Night Details
    Partly cloudy with a 20 percent chance of rain. Lows 40 to 45.
  • Forecast day icon
    Saturday
    30% Chance of Rain
    71°
    Forecast night icon
    Night
    Clear
    46°
    Saturday 5/18
    Day
    71°
    30% Chance of Rain
    Forecast day icon
    Night
    46°
    Clear
    Forecast night icon
    Day Details
    Partly cloudy with a 30 percent chance of rain. Highs around 65.
    Night Details
    Clear. Low temperature around 46F. Dew point will be around 39F with an average humidity of 59%. Winds will be 5 mph from the NW.
  • Forecast day icon
    Sunday
    Partly Cloudy
    72°
    Forecast night icon
    Night
    30% Chance of Rain
    46°
    Sunday 5/19
    Day
    72°
    Partly Cloudy
    Forecast day icon
    Night
    46°
    30% Chance of Rain
    Forecast night icon
    Day Details
    Partly cloudy. High temperature around 72F. Dew point will be around 41F with an average humidity of 46%. Winds will be 6 mph from the W.
    Night Details
    Mostly cloudy with a slight chance of rain. Chance of precipitation 30%. Low temperature around 46F. Dew point will be around 41F with an average humidity of 61%. Winds will be 6 mph from the W.
  • Forecast day icon
    Monday
    40% Chance of Rain
    67°
    Forecast night icon
    Night
    30% Chance of Rain
    43°
    Monday 5/20
    Day
    67°
    40% Chance of Rain
    Forecast day icon
    Night
    43°
    30% Chance of Rain
    Forecast night icon
    Day Details
    Partly cloudy with a chance of rain. Chance of precipitation 35%. High temperature around 67F. Dew point will be around 41F with an average humidity of 50%. Winds will be 10 mph from the W.
    Night Details
    Cloudy with a slight chance of rain. Chance of precipitation 30%. Low temperature around 43F. Dew point will be around 38F with an average humidity of 62%. Winds will be 8 mph from the W.