10-Day Weather Forecast - Roy, MT
- 69|43°FWindyHourly details
Today
69°FWindy sunny. Highs in the mid 70s. Northwest winds 15 to 30 mph with gusts to around 45 mph.
Tonight
43°FColder. Mostly clear. Lows in the lower 40s. North winds 5 to 15 mph with gusts to around 40 mph shifting to the west up to 5 mph after midnight.
- 71|47°FSunnyHourly details
Day
71°FSunny. Highs in the mid 70s. Southeast winds up to 10 mph.
Night
47°FPartly cloudy. Lows around 50. Southeast winds 5 to 15 mph with gusts to around 30 mph.
- 84|51°FMostly SunnyHourly details
Day
84°FBreezy warmer. Mostly sunny. Highs around 90. Southeast winds 5 to 15 mph increasing to 10 to 25 mph in the afternoon.
Night
51°FMostly cloudy. A 20 percent chance of thunderstorms in the evening. Lows 53 to 59.
- 65|44°F50% Chance of StormsHourly details
Day
65°FWindy. Not as warm. Partly sunny. Slight chance of rain showers in the morning then chance of rain showers and slight chance of thunderstorms in the afternoon. Highs 71 to 77. Chance of precipitation 50 percent.
Night
44°FBreezy. Partly cloudy. A 20 percent chance of rain. Lows around 50. Highs 71 to 77.
- 69|47°FPartly CloudyHourly details
Day
69°FBreezy. Partly cloudy. A 20 percent chance of rain. Lows around 50. Highs 71 to 77.
Night
47°FPartly cloudy with a 20 percent chance of rain in the evening then mostly cloudy after midnight. Lows in the upper 40s.
Weekend Weather
- 59|40°FMostly SunnyHourly details
Day
59°FBreezy. Mostly sunny. A 20 percent chance of thunderstorms in the afternoon. Highs in the upper 60s.
Night
40°FBreezy. Partly cloudy with a 20 percent chance of rain. Lows in the lower 40s.
- 54|37°FWindy
Day
54°FWindy. Mostly sunny. A 20 percent chance of thunderstorms in the afternoon. Highs in the lower 60s.
Night
37°FPartly cloudy. Low temperature around 37F. Dew point will be around 28F with an average humidity of 59%. Winds will be 10 mph from the W.
- 61|42°FMostly Sunny
Day
61°FMostly sunny. High temperature around 61F. Dew point will be around 28F with an average humidity of 39%. Winds will be 8 mph from the W.
Night
42°FPartly cloudy. Low temperature around 42F. Dew point will be around 26F with an average humidity of 43%. Winds will be 5 mph from the SW.
- 66|43°FPartly Cloudy
Day
66°FPartly cloudy. High temperature around 66F. Dew point will be around 29F with an average humidity of 33%. Winds will be 10 mph from the W.
Night
43°FMostly cloudy. Low temperature around 43F. Dew point will be around 29F with an average humidity of 43%. Winds will be 7 mph from the W.
- 63|43°FMostly Sunny
Day
63°FMostly sunny. High temperature around 63F. Dew point will be around 31F with an average humidity of 38%. Winds will be 10 mph from the NW.
Night
43°FPartly cloudy with a slight chance of rain. Chance of precipitation 25%. Low temperature around 43F. Dew point will be around 30F with an average humidity of 48%. Winds will be 5 mph from the NW.













