10-day forecast for Arnold, MT: 27° to 64°, with precipitation expected on 1 day. The table below breaks each day into morning, afternoon, evening and overnight.
64°
Best day: Monday, October 19
46° · 1.04 in
Worst day: Friday, October 23
Tap any day below to see morning, afternoon, evening and overnight.
Mon, 1964° / 29°0
Morning30°feels 30°
Afternoon61°feels 59°
Evening49°feels 49°
Overnight29°feels 29°
64 °
Arnold, Monday, 19 October
Overcast. High 64°, low 29°.
Pressure29.97 inHg
Wind1.1 mph NE
Humidity50%
Visibility6.2 mi
Dew point36°
Tue, 2062° / 37°0
Morning37°feels 37°
Afternoon61°feels 58°
Evening48°feels 48°
Overnight38°feels 38°
62 °
Arnold, Tuesday, 20 October
Overcast. High 62°, low 37°.
Pressure30.06 inHg
Wind2.3 mph N
Humidity45%
Visibility6.2 mi
Dew point35°
Wed, 2161° / 40°0.02
Morning42°feels 42°
Afternoon58°feels 56°
Evening51°feels 49°
Overnight42°feels 42°
61 °
Arnold, Wednesday, 21 October
Light rain. High 61°, low 40°.
Pressure30.09 inHg
Wind0.7 mph SE
Humidity70%
Visibility6.2 mi
Dew point42°
Thu, 2264° / 42°0.01
Morning47°feels 46°
Afternoon58°feels 56°
Evening55°feels 55°
Overnight48°feels 48°
64 °
Arnold, Thursday, 22 October
Light rain. High 64°, low 42°.
Pressure29.85 inHg
Wind4.2 mph S
Humidity55%
Visibility—
Dew point40°
Fri, 2346° / 35°1.04
Morning44°feels 41°
Afternoon41°feels 35°
Evening36°feels 33°
Overnight37°feels 37°
46 °
Arnold, Friday, 23 October
Snow. High 46°, low 35°.
Pressure29.85 inHg
Wind10 mph NW
Humidity90%
Visibility—
Dew point40°
Sat, 2440° / 31°0.04
Morning35°feels 35°
Afternoon37°feels 36°
Evening34°feels 30°
Overnight32°feels 28°
40 °
Arnold, Saturday, 24 October
Light snow. High 40°, low 31°.
Pressure30.56 inHg
Wind4.7 mph S
Humidity73%
Visibility—
Dew point29°
Sun, 2547° / 27°0
Morning31°feels 28°
Afternoon42°feels 41°
Evening40°feels 36°
Overnight35°feels 31°
47 °
Arnold, Sunday, 25 October
Clear. High 47°, low 27°.
Pressure30.39 inHg
Wind5.4 mph S
Humidity53%
Visibility—
Dew point24°
Mon, 2654° / 32°0
Morning36°feels 33°
Afternoon47°feels 46°
Evening45°feels 43°
Overnight39°feels 36°
54 °
Arnold, Monday, 26 October
Clear. High 54°, low 32°.
Pressure30.03 inHg
Wind5.4 mph S
Humidity47%
Visibility—
Dew point26°
Tue, 2758° / 35°0
Morning40°feels 35°
Afternoon51°feels 48°
Evening48°feels 46°
Overnight41°feels 37°
58 °
Arnold, Tuesday, 27 October
Clear. High 58°, low 35°.
Pressure29.80 inHg
Wind6.5 mph S
Humidity39%
Visibility—
Dew point25°
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.