Grantsdale, Montana | 10-Day Weather Forecasts & Weekend Weather | WeatherBug
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10 Day Forecast
  • Forecast night icon
    Night
    Mostly Clear
    26°
    Friday 4/19
    Forecast night icon
    26°
    Mostly Clear
    Hourly
    Night Details
    Mostly clear. Lows in the 20s. East winds 15 to 20 mph. Gusts up to 30 mph in the evening.
  • Forecast day icon
    Saturday
    Mostly Sunny
    58°
    Forecast night icon
    Night
    Mostly Clear
    36°
    Saturday 4/20
    Day
    58°
    Mostly Sunny
    Forecast day icon
    Night
    36°
    Mostly Clear
    Forecast night icon
    Hourly
    Day Details
    Mostly sunny. Highs near 60. East winds to 15 mph.
    Night Details
    Mostly clear. Lows in the 30s. Southeast winds to 15 mph.
  • Forecast day icon
    Sunday
    Mostly Cloudy
    53°
    Forecast night icon
    Night
    Partly Cloudy
    31°
    Sunday 4/21
    Day
    53°
    Mostly Cloudy
    Forecast day icon
    Night
    31°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Mostly cloudy. Highs in the lower 50s. West winds 15 to 20 mph.
    Night Details
    Partly cloudy. Lows near 30. West winds to 15 mph.
  • Forecast day icon
    Monday
    Mostly Sunny
    56°
    Forecast night icon
    Night
    Mostly Clear
    30°
    Monday 4/22
    Day
    56°
    Mostly Sunny
    Forecast day icon
    Night
    30°
    Mostly Clear
    Forecast night icon
    Hourly
    Day Details
    Mostly sunny. Highs in the mid to upper 50s.
    Night Details
    Mostly clear. Lows near 30.
  • Forecast day icon
    Tuesday
    Partly Cloudy
    64°
    Forecast night icon
    Night
    Partly Cloudy
    39°
    Tuesday 4/23
    Day
    64°
    Partly Cloudy
    Forecast day icon
    Night
    39°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Partly cloudy. Highs in the 60s.
    Night Details
    Mostly cloudy in the evening then becoming partly cloudy. Lows in the mid 30s to lower 40s.
  • Forecast day icon
    Wednesday
    Mostly Cloudy
    69°
    Forecast night icon
    Night
    Mostly Cloudy
    37°
    Wednesday 4/24
    Day
    69°
    Mostly Cloudy
    Forecast day icon
    Night
    37°
    Mostly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Mostly cloudy. A 20 percent chance of rain in the afternoon. Highs in the mid 60s.
    Night Details
    Mostly cloudy with a 20 percent chance of rain. Lows near 40.
  • Forecast day icon
    Thursday
    30% Chance of Rain
    62°
    Forecast night icon
    Night
    Mostly Cloudy
    37°
    Thursday 4/25
    Day
    62°
    30% Chance of Rain
    Forecast day icon
    Night
    37°
    Mostly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Mostly cloudy with a 30 percent chance of rain. Highs in the lower to mid 60s.
    Night Details
    Mostly cloudy with a 20 percent chance of rain. Lows near 40.
  • Forecast day icon
    Friday
    40% Chance of Rain
    56°
    Forecast night icon
    Night
    30% Chance of Rain
    38°
    Friday 4/26
    Day
    56°
    40% Chance of Rain
    Forecast day icon
    Night
    38°
    30% Chance of Rain
    Forecast night icon
    Day Details
    Mostly cloudy with a 40 percent chance of rain. Highs in the mid to upper 50s.
    Night Details
    Cloudy with a slight chance of rain. Chance of precipitation 30%. Low temperature around 38F. Dew point will be around 35F with an average humidity of 68%. Winds will be 4 mph from the NW.
  • Forecast day icon
    Saturday
    40% Chance of Rain
    56°
    Forecast night icon
    Night
    30% Chance of Rain
    37°
    Saturday 4/27
    Day
    56°
    40% Chance of Rain
    Forecast day icon
    Night
    37°
    30% Chance of Rain
    Forecast night icon
    Day Details
    Cloudy with a chance of rain. Chance of precipitation 40%. High temperature around 56F. Dew point will be around 37F with an average humidity of 64%. Winds will be 5 mph from the NW.
    Night Details
    Cloudy with a slight chance of rain. Chance of precipitation 25%. Low temperature around 37F. Dew point will be around 34F with an average humidity of 65%. Winds will be 5 mph from the NW.
  • Forecast day icon
    Sunday
    40% Chance of Rain
    60°
    Forecast night icon
    Night
    40% Chance of Rain
    37°
    Sunday 4/28
    Day
    60°
    40% Chance of Rain
    Forecast day icon
    Night
    37°
    40% Chance of Rain
    Forecast night icon
    Day Details
    Cloudy with a chance of rain. Chance of precipitation 40%. High temperature around 60F. Dew point will be around 35F with an average humidity of 57%. Winds will be 6 mph from the W.
    Night Details
    Partly cloudy with a chance of rain. Chance of precipitation 35%. Low temperature around 37F. Dew point will be around 33F with an average humidity of 59%. Winds will be 5 mph from the NW.