10-day forecast for Roy, MT: 22° to 53°, with precipitation expected on 1 day. The table below breaks each day into morning, afternoon, evening and overnight.
50°
Best day: Monday, October 26
53° · 0.54 in
Worst day: Friday, October 23
Tap any day below to see morning, afternoon, evening and overnight.
Sat, 2448° / 26°0
Morning27°feels 17°
Afternoon46°feels 42°
Evening37°feels 34°
Overnight30°feels 18°
48 °
Roy, Saturday, 24 October
Clear. High 48°, low 26°.
Pressure30.36 inHg
Wind0.8 mph NE
Humidity55%
Visibility6.2 mi
Dew point19°
Sun, 2545° / 27°0
Morning27°feels 22°
Afternoon43°feels 38°
Evening36°feels 30°
Overnight29°feels 29°
45 °
Roy, Sunday, 25 October
Clear. High 45°, low 27°.
Pressure30.47 inHg
Wind9.7 mph E
Humidity70%
Visibility6.2 mi
Dew point26°
Mon, 2650° / 31°0
Morning31°feels 22°
Afternoon48°feels 42°
Evening43°feels 36°
Overnight32°feels 25°
50 °
Roy, Monday, 26 October
Partly cloudy. High 50°, low 31°.
Pressure30.27 inHg
Wind13.7 mph SE
Humidity61%
Visibility6.2 mi
Dew point31°
Tue, 2741° / 33°0
Morning35°feels 29°
Afternoon39°feels 38°
Evening40°feels 32°
Overnight36°feels 28°
41 °
Roy, Tuesday, 27 October
Overcast. High 41°, low 33°.
Pressure30.06 inHg
Wind15.7 mph W
Humidity82%
Visibility—
Dew point33°
Wed, 2845° / 33°0.01
Morning38°feels 29°
Afternoon42°feels 34°
Evening37°feels 30°
Overnight34°feels 26°
45 °
Roy, Wednesday, 28 October
Light rain. High 45°, low 33°.
Pressure30.39 inHg
Wind17 mph W
Humidity60%
Visibility—
Dew point29°
Thu, 2933° / 22°0
Morning25°feels 17°
Afternoon30°feels 24°
Evening26°feels 20°
Overnight25°feels 19°
33 °
Roy, Thursday, 29 October
Mostly clear. High 33°, low 22°.
Pressure30.30 inHg
Wind7.2 mph W
Humidity70%
Visibility—
Dew point21°
Fri, 3035° / 24°0
Morning27°feels 21°
Afternoon33°feels 25°
Evening30°feels 22°
Overnight29°feels 21°
35 °
Roy, Friday, 30 October
Overcast. High 35°, low 24°.
Pressure30.24 inHg
Wind10.7 mph SE
Humidity59%
Visibility—
Dew point19°
Sat, 3140° / 26°0
Morning29°feels 25°
Afternoon35°feels 32°
Evening30°feels 27°
Overnight29°feels 25°
40 °
Roy, Saturday, 31 October
Partly cloudy. High 40°, low 26°.
Pressure30.12 inHg
Wind6.8 mph SE
Humidity64%
Visibility—
Dew point24°
Sun, 0145° / 30°0
Morning34°feels 30°
Afternoon41°feels 40°
Evening34°feels 28°
Overnight32°feels 26°
45 °
Roy, Sunday, 1 November
Clear. High 45°, low 30°.
Pressure30.21 inHg
Wind7.1 mph W
Humidity43%
Visibility—
Dew point20°
About this forecast
How reliable is a 10-day forecast?
The first 3–5 days are the most reliable, typically within 2–4°. From day six to ten the models show the trend: the direction of change is right more often than the exact numbers.
What does the time-of-day table show?
Temperature in Roy, MT around 8am, 2pm, 8pm and 2am each day — handy for planning a walk, a drive or work outdoors.
How is the best day chosen?
We weigh the daytime high against precipitation: a warm, dry day scores highest.