10-day forecast for Arnold, MT: 28° to 67°, with precipitation expected on 1 day. The table below breaks each day into morning, afternoon, evening and overnight.
67°
Best day: Saturday, October 17
39° · 0.14 in
Worst day: Friday, October 23
Tap any day below to see morning, afternoon, evening and overnight.
Thu, 1546° / 29°0
Morning29°feels 26°
Afternoon44°feels 44°
Evening38°feels 38°
Overnight31°feels 31°
46 °
Arnold, Thursday, 15 October
Partly cloudy. High 46°, low 29°.
Pressure30.71 inHg
Wind2.5 mph NW
Humidity64%
Visibility6.2 mi
Dew point34°
Fri, 1659° / 28°0
Morning31°feels 31°
Afternoon57°feels 54°
Evening46°feels 46°
Overnight28°feels 28°
59 °
Arnold, Friday, 16 October
Partly cloudy. High 59°, low 28°.
Pressure30.50 inHg
Wind1.4 mph S
Humidity48%
Visibility6.2 mi
Dew point30°
Sat, 1767° / 31°0
Morning31°feels 31°
Afternoon62°feels 60°
Evening50°feels 47°
Overnight32°feels 32°
67 °
Arnold, Saturday, 17 October
Overcast. High 67°, low 31°.
Pressure30.12 inHg
Wind2.7 mph NE
Humidity46%
Visibility6.2 mi
Dew point35°
Sun, 1862° / 36°0
Morning39°feels 39°
Afternoon59°feels 57°
Evening49°feels 48°
Overnight38°feels 38°
62 °
Arnold, Sunday, 18 October
Partly cloudy. High 62°, low 36°.
Pressure30.12 inHg
Wind1 mph SE
Humidity47%
Visibility6.2 mi
Dew point35°
Mon, 1964° / 37°0
Morning42°feels 42°
Afternoon55°feels 53°
Evening54°feels 53°
Overnight44°feels 44°
64 °
Arnold, Monday, 19 October
Clear. High 64°, low 37°.
Pressure29.97 inHg
Wind2.9 mph N
Humidity45%
Visibility—
Dew point32°
Tue, 2059° / 36°0.01
Morning43°feels 42°
Afternoon55°feels 53°
Evening49°feels 47°
Overnight42°feels 39°
59 °
Arnold, Tuesday, 20 October
Light rain. High 59°, low 36°.
Pressure29.91 inHg
Wind5.1 mph SW
Humidity45%
Visibility—
Dew point33°
Wed, 2157° / 37°0
Morning41°feels 40°
Afternoon51°feels 49°
Evening52°feels 50°
Overnight44°feels 42°
57 °
Arnold, Wednesday, 21 October
Overcast. High 57°, low 37°.
Pressure29.77 inHg
Wind5 mph NW
Humidity52%
Visibility—
Dew point32°
Thu, 2255° / 42°0
Morning46°feels 45°
Afternoon52°feels 49°
Evening49°feels 45°
Overnight42°feels 39°
55 °
Arnold, Thursday, 22 October
Mostly clear. High 55°, low 42°.
Pressure29.71 inHg
Wind13.9 mph NW
Humidity53%
Visibility—
Dew point35°
Fri, 2339° / 32°0.14
Morning35°feels 30°
Afternoon35°feels 31°
Evening35°feels 32°
Overnight32°feels 31°
39 °
Arnold, Friday, 23 October
Snow. High 39°, low 32°.
Pressure30.21 inHg
Wind10.4 mph W
Humidity73%
Visibility—
Dew point27°
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 Arnold, 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.