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As of 18:30 MDT

Weather in Arnold, MT

61°Current weather

Arnold, Wednesday, 21 October, 18:30

Partly cloudy. Feels like 59°. High 64°, low 36°.

Pressure29.97 inHg
Wind8.1 mph SE
Humidity54%
Visibility6.2 mi
Dew point44°

10-day forecast for Arnold, MT: 24° to 70°, with precipitation expected on 1 day. The table below breaks each day into morning, afternoon, evening and overnight.

70°
Best day: Thursday, October 22
50° · 0.91 in
Worst day: Friday, October 23

Tap any day below to see morning, afternoon, evening and overnight.

Thu, 2270° / 35°0Partly cloudy
MorningClear37°feels 37°
AfternoonPartly cloudy66°feels 65°
EveningOvercast51°feels 50°
OvernightClear45°feels 45°
70 °Partly cloudy

Arnold, Thursday, 22 October

Partly cloudy. High 70°, low 35°.

Pressure29.91 inHg
Wind0.7 mph N
Humidity56%
Visibility6.2 mi
Dew point43°
Fri, 2350° / 32°0.91Snow
MorningLight rain46°feels 46°
AfternoonRain43°feels 34°
EveningSnow33°feels 29°
OvernightOvercast46°feels 46°
50 °Snow

Arnold, Friday, 23 October

Snow. High 50°, low 32°.

Pressure29.77 inHg
Wind4.8 mph NW
Humidity92%
Visibility2.8 mi
Dew point48°
Sat, 2435° / 26°0Overcast
MorningOvercast28°feels 28°
AfternoonOvercast34°feels 34°
EveningClear28°feels 28°
OvernightOvercast29°feels 29°
35 °Overcast

Arnold, Saturday, 24 October

Overcast. High 35°, low 26°.

Pressure30.47 inHg
Wind2.7 mph NW
Humidity96%
Visibility0.6 mi
Dew point29°
Sun, 2540° / 25°0Clear
MorningClear26°feels 26°
AfternoonClear38°feels 38°
EveningClear33°feels 33°
OvernightClear26°feels 26°
40 °Clear

Arnold, Sunday, 25 October

Clear. High 40°, low 25°.

Pressure30.39 inHg
Wind2.1 mph NW
Humidity85%
Visibility6.2 mi
Dew point29°
Mon, 2643° / 24°0Clear
MorningClear28°feels 28°
AfternoonClear37°feels 37°
EveningClear37°feels 37°
OvernightClear31°feels 31°
43 °Clear

Arnold, Monday, 26 October

Clear. High 43°, low 24°.

Pressure30.42 inHg
Wind2.4 mph S
Humidity79%
Visibility—
Dew point29°
Tue, 2750° / 30°0Mostly clear
MorningMostly clear34°feels 34°
AfternoonMostly clear44°feels 44°
EveningMostly clear43°feels 43°
OvernightMostly clear37°feels 37°
50 °Mostly clear

Arnold, Tuesday, 27 October

Mostly clear. High 50°, low 30°.

Pressure30.27 inHg
Wind3.9 mph N
Humidity59%
Visibility—
Dew point29°
Wed, 2848° / 31°0Partly cloudy
MorningPartly cloudy34°feels 33°
AfternoonPartly cloudy42°feels 39°
EveningPartly cloudy42°feels 39°
OvernightPartly cloudy36°feels 34°
48 °Partly cloudy

Arnold, Wednesday, 28 October

Partly cloudy. High 48°, low 31°.

Pressure30.36 inHg
Wind4.6 mph N
Humidity45%
Visibility—
Dew point21°
Thu, 2953° / 32°0Overcast
MorningOvercast36°feels 36°
AfternoonOvercast46°feels 46°
EveningOvercast45°feels 45°
OvernightOvercast40°feels 38°
53 °Overcast

Arnold, Thursday, 29 October

Overcast. High 53°, low 32°.

Pressure30.03 inHg
Wind5 mph S
Humidity36%
Visibility—
Dew point19°
Fri, 3059° / 38°0Overcast
MorningOvercast42°feels 39°
AfternoonOvercast53°feels 50°
EveningOvercast49°feels 48°
OvernightOvercast43°feels 41°
59 °Overcast

Arnold, Friday, 30 October

Overcast. High 59°, low 38°.

Pressure29.83 inHg
Wind9.1 mph NW
Humidity38%
Visibility—
Dew point26°

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.