10-day forecast for Roy, MT: 26° to 53°, with precipitation expected on 2 days. The table below breaks each day into morning, afternoon, evening and overnight.
53°
Best day: Sunday, November 1
50° · 0.25 in
Worst day: Friday, October 23
Tap any day below to see morning, afternoon, evening and overnight.
Sat, 2450° / 26°0
Morning28°feels 19°
Afternoon48°feels 44°
Evening40°feels 40°
Overnight32°feels 20°
50 °
Roy, Saturday, 24 October
Clear. High 50°, low 26°.
Pressure30.36 inHg
Wind3.7 mph E
Humidity56%
Visibility6.2 mi
Dew point18°
Sun, 2544° / 27°0
Morning27°feels 23°
Afternoon42°feels 37°
Evening35°feels 29°
Overnight28°feels 28°
44 °
Roy, Sunday, 25 October
Clear. High 44°, low 27°.
Pressure30.50 inHg
Wind8.2 mph E
Humidity70%
Visibility6.2 mi
Dew point23°
Mon, 2645° / 31°0
Morning32°feels 23°
Afternoon44°feels 37°
Evening42°feels 34°
Overnight32°feels 25°
45 °
Roy, Monday, 26 October
Overcast. High 45°, low 31°.
Pressure30.24 inHg
Wind16.2 mph SE
Humidity73%
Visibility6.2 mi
Dew point34°
Tue, 2750° / 33°0.13
Morning34°feels 34°
Afternoon48°feels 42°
Evening41°feels 37°
Overnight33°feels 24°
50 °
Roy, Tuesday, 27 October
Snow. High 50°, low 33°.
Pressure29.97 inHg
Wind8.3 mph NW
Humidity73%
Visibility6.2 mi
Dew point36°
Wed, 2853° / 37°0
Morning41°feels 40°
Afternoon50°feels 47°
Evening44°feels 42°
Overnight40°feels 37°
53 °
Roy, Wednesday, 28 October
Clear. High 53°, low 37°.
Pressure29.94 inHg
Wind9 mph SW
Humidity47%
Visibility—
Dew point29°
Thu, 2949° / 35°0
Morning38°feels 33°
Afternoon45°feels 40°
Evening46°feels 41°
Overnight42°feels 37°
49 °
Roy, Thursday, 29 October
Overcast. High 49°, low 35°.
Pressure29.94 inHg
Wind12.3 mph SE
Humidity64%
Visibility—
Dew point32°
Fri, 3051° / 41°0
Morning45°feels 40°
Afternoon47°feels 45°
Evening44°feels 42°
Overnight43°feels 40°
51 °
Roy, Friday, 30 October
Overcast. High 51°, low 41°.
Pressure29.94 inHg
Wind10.1 mph NW
Humidity39%
Visibility—
Dew point23°
Sat, 3149° / 38°0
Morning41°feels 35°
Afternoon47°feels 41°
Evening42°feels 35°
Overnight38°feels 32°
49 °
Roy, Saturday, 31 October
Clear. High 49°, low 38°.
Pressure29.97 inHg
Wind21 mph NW
Humidity24%
Visibility—
Dew point12°
Sun, 0153° / 34°0
Morning38°feels 32°
Afternoon48°feels 46°
Evening44°feels 43°
Overnight40°feels 35°
53 °
Roy, Sunday, 1 November
Mostly clear. High 53°, low 34°.
Pressure30.24 inHg
Wind10.5 mph W
Humidity25%
Visibility—
Dew point13°
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.