10-day forecast for Roy, MT: 27° to 57°, with precipitation expected on 1 day. The table below breaks each day into morning, afternoon, evening and overnight.
57°
Best day: Monday, November 2
51° · 0.21 in
Worst day: Tuesday, October 27
Tap any day below to see morning, afternoon, evening and overnight.
Sun, 2544° / 27°0
Morning27°feels 23°
Afternoon43°feels 37°
Evening35°feels 30°
Overnight28°feels 28°
44 °
Roy, Sunday, 25 October
Clear. High 44°, low 27°.
Pressure30.47 inHg
Wind7.8 mph E
Humidity71%
Visibility6.2 mi
Dew point25°
Mon, 2650° / 31°0
Morning31°feels 23°
Afternoon48°feels 41°
Evening40°feels 32°
Overnight31°feels 25°
50 °
Roy, Monday, 26 October
Overcast. High 50°, low 31°.
Pressure30.18 inHg
Wind15.9 mph SE
Humidity62%
Visibility6.2 mi
Dew point32°
Tue, 2751° / 35°0.21
Morning35°feels 32°
Afternoon50°feels 47°
Evening44°feels 38°
Overnight35°feels 27°
51 °
Roy, Tuesday, 27 October
Rain. High 51°, low 35°.
Pressure29.88 inHg
Wind8.7 mph NW
Humidity88%
Visibility6.2 mi
Dew point39°
Wed, 2854° / 39°0
Morning40°feels 33°
Afternoon50°feels 47°
Evening46°feels 46°
Overnight41°feels 33°
54 °
Roy, Wednesday, 28 October
Clear. High 54°, low 39°.
Pressure29.94 inHg
Wind12.9 mph W
Humidity46%
Visibility6.2 mi
Dew point28°
Thu, 2945° / 33°0
Morning36°feels 31°
Afternoon42°feels 38°
Evening41°feels 37°
Overnight36°feels 30°
45 °
Roy, Thursday, 29 October
Overcast. High 45°, low 33°.
Pressure30.09 inHg
Wind9.6 mph E
Humidity63%
Visibility—
Dew point30°
Fri, 3052° / 35°0
Morning41°feels 41°
Afternoon49°feels 49°
Evening46°feels 43°
Overnight42°feels 37°
52 °
Roy, Friday, 30 October
Overcast. High 52°, low 35°.
Pressure29.74 inHg
Wind13.5 mph NW
Humidity55%
Visibility—
Dew point33°
Sat, 3150° / 37°0
Morning40°feels 35°
Afternoon46°feels 42°
Evening42°feels 34°
Overnight37°feels 31°
50 °
Roy, Saturday, 31 October
Partly cloudy. High 50°, low 37°.
Pressure29.88 inHg
Wind15 mph W
Humidity55%
Visibility—
Dew point30°
Sun, 0147° / 31°0
Morning34°feels 26°
Afternoon42°feels 33°
Evening40°feels 36°
Overnight37°feels 33°
47 °
Roy, Sunday, 1 November
Clear. High 47°, low 31°.
Pressure30.18 inHg
Wind20.9 mph NW
Humidity42%
Visibility—
Dew point19°
Mon, 0257° / 38°0
Morning42°feels 38°
Afternoon51°feels 47°
Evening47°feels 44°
Overnight42°feels 39°
57 °
Roy, Monday, 2 November
Clear. High 57°, low 38°.
Pressure30.33 inHg
Wind6.8 mph S
Humidity37%
Visibility—
Dew point24°
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.