Roy, Montana | 10-Day Weather Forecasts & Weekend Weather | WeatherBug
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10 Day Forecast
  • Forecast day icon
    Friday
    Sunny
    69°
    Forecast night icon
    Night
    Mostly Clear
    46°
    Friday 5/10
    Day
    69°
    Sunny
    Forecast day icon
    Night
    46°
    Mostly Clear
    Forecast night icon
    Hourly
    Day Details
    Warmer sunny. Highs 65 to 70. West winds 5 to 15 mph.
    Night Details
    Mostly clear. Lows 40 to 45. Southwest winds 5 to 15 mph.
  • Forecast day icon
    Saturday
    Partly Cloudy
    74°
    Forecast night icon
    Night
    Partly Cloudy
    51°
    Saturday 5/11
    Day
    74°
    Partly Cloudy
    Forecast day icon
    Night
    51°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Partly cloudy. Highs 70 to 75. West winds 5 to 15 mph.
    Night Details
    Partly cloudy. A 20 percent chance of rain after midnight. Lows 45 to 50. Northwest winds 5 to 15 mph shifting to the southwest 5 to 10 mph after midnight.
  • Forecast day icon
    Sunday
    40% Chance of Storms
    73°
    Forecast night icon
    Night
    Partly Cloudy
    52°
    Sunday 5/12
    Day
    73°
    40% Chance of Storms
    Forecast day icon
    Night
    52°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Sunny in the morning then partly cloudy with chance of rain showers and slight chance of thunderstorms in the afternoon. Highs 70 to 75. West winds 5 to 15 mph. Chance of precipitation 40 percent.
    Night Details
    Partly cloudy with a 20 percent chance of thunderstorms. Lows 45 to 50. Highs 70 to 75.
  • Forecast day icon
    Monday
    Partly Cloudy
    75°
    Forecast night icon
    Night
    40% Chance of Rain
    52°
    Monday 5/13
    Day
    75°
    Partly Cloudy
    Forecast day icon
    Night
    52°
    40% Chance of Rain
    Forecast night icon
    Hourly
    Day Details
    Partly cloudy with a 20 percent chance of thunderstorms. Lows 45 to 50. Highs 70 to 75.
    Night Details
    Mostly cloudy with a 40 percent chance of rain. Lows 45 to 50.
  • Forecast day icon
    Tuesday
    70% Chance of Storms
    59°
    Forecast night icon
    Night
    Mostly Cloudy
    46°
    Tuesday 5/14
    Day
    59°
    70% Chance of Storms
    Forecast day icon
    Night
    46°
    Mostly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Rain showers likely and slight chance of thunderstorms. Highs 60 to 65. Chance of precipitation 70 percent.
    Night Details
    Mostly cloudy with a 20 percent chance of rain. Lows 40 to 45.
  • Forecast day icon
    Wednesday
    50% Chance of Storms
    64°
    Forecast night icon
    Night
    40% Chance of Rain
    47°
    Wednesday 5/15
    Day
    64°
    50% Chance of Storms
    Forecast day icon
    Night
    47°
    40% Chance of Rain
    Forecast night icon
    Hourly
    Day Details
    Mostly cloudy with chance of rain showers and slight chance of thunderstorms. Highs 60 to 65. Chance of precipitation 50 percent.
    Night Details
    Mostly cloudy with a 40 percent chance of rain. Lows 40 to 45.
  • Forecast day icon
    Thursday
    50% Chance of Storms
    68°
    Forecast night icon
    Night
    30% Chance of Rain
    49°
    Thursday 5/16
    Day
    68°
    50% Chance of Storms
    Forecast day icon
    Night
    49°
    30% Chance of Rain
    Forecast night icon
    Day Details
    Mostly cloudy with chance of rain showers and slight chance of thunderstorms. Highs around 65. Chance of precipitation 50 percent.
    Night Details
    Partly cloudy with a slight chance of rain. Chance of precipitation 25%. Low temperature around 49F. Dew point will be around 39F with an average humidity of 52%. Winds will be 8 mph from the W.
  • Forecast day icon
    Friday
    Sunny
    68°
    Forecast night icon
    Night
    Clear
    48°
    Friday 5/17
    Day
    68°
    Sunny
    Forecast day icon
    Night
    48°
    Clear
    Forecast night icon
    Day Details
    Sunny. High temperature around 68F. Dew point will be around 40F with an average humidity of 46%. Winds will be 10 mph from the NW.
    Night Details
    Clear. Low temperature around 48F. Dew point will be around 39F with an average humidity of 55%. Winds will be 7 mph from the W.
  • Forecast day icon
    Saturday
    Sunny
    66°
    Forecast night icon
    Night
    Clear
    47°
    Saturday 5/18
    Day
    66°
    Sunny
    Forecast day icon
    Night
    47°
    Clear
    Forecast night icon
    Day Details
    Sunny. High temperature around 66F. Dew point will be around 40F with an average humidity of 48%. Winds will be 8 mph from the NW.
    Night Details
    Clear. Low temperature around 47F. Dew point will be around 39F with an average humidity of 57%. Winds will be 5 mph from the W.
  • Forecast day icon
    Sunday
    Mostly Sunny
    64°
    Forecast night icon
    Night
    30% Chance of Rain
    45°
    Sunday 5/19
    Day
    64°
    Mostly Sunny
    Forecast day icon
    Night
    45°
    30% Chance of Rain
    Forecast night icon
    Day Details
    Mostly sunny. High temperature around 64F. Dew point will be around 38F with an average humidity of 47%. Winds will be 5 mph from the NW.
    Night Details
    Partly cloudy with a slight chance of rain. Chance of precipitation 25%. Low temperature around 45F. Dew point will be around 38F with an average humidity of 58%. Winds will be 4 mph from the W.