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As of 08:21 MDT

Weather in Arnold, MT

41°Current weather

Arnold, Sunday, 18 October, 08:21

Overcast. Feels like 41°. High 67°, low 38°.

Pressure30.09 inHg
Wind1.5 mph S
Humidity75%
Visibility6.2 mi
Dew point33°

10-day forecast for Arnold, MT: 29° to 71°, with precipitation expected on 1 day. The table below breaks each day into morning, afternoon, evening and overnight.

71°
Best day: Monday, October 19
48° · 0.76 in
Worst day: Friday, October 23

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

Mon, 1971° / 31°0Overcast
MorningClear31°feels 31°
AfternoonOvercast63°feels 60°
EveningClear50°feels 48°
OvernightPartly cloudy33°feels 33°
71 °Overcast

Arnold, Monday, 19 October

Overcast. High 71°, low 31°.

Pressure29.97 inHg
Wind1.6 mph NE
Humidity46%
Visibility6.2 mi
Dew point35°
Tue, 2062° / 37°0Mostly clear
MorningPartly cloudy37°feels 37°
AfternoonMostly clear61°feels 59°
EveningPartly cloudy50°feels 50°
OvernightOvercast38°feels 38°
62 °Mostly clear

Arnold, Tuesday, 20 October

Mostly clear. High 62°, low 37°.

Pressure30.06 inHg
Wind2.5 mph N
Humidity44%
Visibility6.2 mi
Dew point34°
Wed, 2162° / 39°0Mostly clear
MorningClear39°feels 39°
AfternoonMostly clear60°feels 59°
EveningOvercast51°feels 49°
OvernightClear42°feels 42°
62 °Mostly clear

Arnold, Wednesday, 21 October

Mostly clear. High 62°, low 39°.

Pressure30.09 inHg
Wind0.7 mph N
Humidity58%
Visibility6.2 mi
Dew point40°
Thu, 2268° / 42°0.01Light rain
MorningOvercast43°feels 43°
AfternoonLight rain58°feels 56°
EveningLight rain60°feels 58°
OvernightMostly clear44°feels 44°
68 °Light rain

Arnold, Thursday, 22 October

Light rain. High 68°, low 42°.

Pressure29.83 inHg
Wind3.7 mph S
Humidity57%
Visibility—
Dew point40°
Fri, 2348° / 40°0.76Rain
MorningRain46°feels 44°
AfternoonRain44°feels 39°
EveningRain44°feels 38°
OvernightRain41°feels 34°
48 °Rain

Arnold, Friday, 23 October

Rain. High 48°, low 40°.

Pressure29.80 inHg
Wind14.6 mph NW
Humidity87%
Visibility—
Dew point40°
Sat, 2447° / 29°0Overcast
MorningOvercast33°feels 30°
AfternoonOvercast42°feels 42°
EveningOvercast43°feels 43°
OvernightOvercast38°feels 37°
47 °Overcast

Arnold, Saturday, 24 October

Overcast. High 47°, low 29°.

Pressure30.39 inHg
Wind6.8 mph W
Humidity59%
Visibility—
Dew point26°
Sun, 2560° / 37°0Overcast
MorningOvercast41°feels 39°
AfternoonOvercast52°feels 48°
EveningOvercast51°feels 48°
OvernightOvercast43°feels 41°
60 °Overcast

Arnold, Sunday, 25 October

Overcast. High 60°, low 37°.

Pressure30.06 inHg
Wind4.8 mph S
Humidity36%
Visibility—
Dew point24°
Mon, 2648° / 33°0Overcast
MorningOvercast35°feels 32°
AfternoonOvercast42°feels 39°
EveningOvercast42°feels 41°
OvernightOvercast36°feels 35°
48 °Overcast

Arnold, Monday, 26 October

Overcast. High 48°, low 33°.

Pressure30.00 inHg
Wind6.5 mph N
Humidity63%
Visibility—
Dew point29°
Tue, 2748° / 30°0.03Light rain
MorningLight rain34°feels 28°
AfternoonLight rain43°feels 39°
EveningLight rain41°feels 34°
OvernightLight rain38°feels 29°
48 °Light rain

Arnold, Tuesday, 27 October

Light rain. High 48°, low 30°.

Pressure29.74 inHg
Wind23 mph SW
Humidity60%
Visibility—
Dew point29°

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.