10-Day Weather Forecast - Grantsdale, MT

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  • |36°F
    Mostly Cloudy
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    Tonight

    36°F

    Mostly cloudy. Lows near 30.

    Hourly details
  • Day

    50°F

    Mostly cloudy. Highs in the mid to upper 40s.

    Night

    39°F

    Mostly cloudy. Lows in the lower to mid 30s.

    Hourly details
  • Day

    49°F

    Mostly cloudy. Highs near 50.

    Night

    35°F

    Mostly cloudy. Lows in the mid 20s to lower 30s.

    Hourly details
  • Day

    50°F

    Mostly sunny. Highs in the mid 40s to lower 50s.

    Night

    32°F

    Mostly clear. Lows in the mid to upper 20s.

    Hourly details
  • Day

    46°F

    Mostly sunny. Highs in the lower to mid 40s.

    Night

    28°F

    Partly cloudy. Lows 19 to 23.

    Hourly details
  • Day

    40°F

    Partly cloudy. Highs near 40.

    Night

    25°F

    Partly cloudy. Lows 19 to 24.

    Hourly details
  • Weekend Weather

  • Day

    44°F

    Mostly sunny. Highs in the upper 30s to mid 40s.

    Night

    31°F

    Mostly clear. Lows in the lower to mid 20s.

    Hourly details
  • Day

    46°F

    Mostly sunny. Highs in the upper 30s to mid 40s.

    Night

    32°F

    Clear. Low temperature around 32F. Dew point will be around 23F with an average humidity of 66%. Winds will be 4 mph from the SE.

  • Day

    41°F

    Sunny. High temperature around 41F. Dew point will be around 22F with an average humidity of 52%. Winds will be 5 mph from the SE.

    Night

    32°F

    Mostly clear. Low temperature around 32F. Dew point will be around 24F with an average humidity of 67%. Winds will be 5 mph from the S.

  • Day

    40°F

    Mostly sunny. High temperature around 40F. Dew point will be around 22F with an average humidity of 53%. Winds will be 4 mph from the S.

    Night

    31°F

    Partly cloudy. Low temperature around 31F. Dew point will be around 24F with an average humidity of 69%. Winds will be 4 mph from the S.