As of 16:50 MDT

Weather in Arnold, MT

68°Current weather

Arnold, Saturday, 17 October, 16:50

Overcast. Feels like 65°. High 68°, low 34°.

Pressure29.97 inHg
Wind5.7 mph SE
Humidity22%
Visibility6.2 mi
Dew point28°

10-day forecast for Arnold, MT: 32° to 68°, with precipitation expected on 0 days. The table below breaks each day into morning, afternoon, evening and overnight.

68°
Best day: Saturday, October 17
55°
Worst day: Friday, October 23

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

Sun, 1862° / 32°0Partly cloudy
MorningMostly clear32°feels 32°
AfternoonPartly cloudy56°feels 54°
EveningClear42°feels 38°
OvernightOvercast37°feels 37°
62 °Partly cloudy

Arnold, Sunday, 18 October

Partly cloudy. High 62°, low 32°.

Pressure30.12 inHg
Wind0.6 mph N
Humidity50%
Visibility6.2 mi
Dew point35°
Mon, 1964° / 35°0Overcast
MorningClear36°feels 36°
AfternoonPartly cloudy61°feels 59°
EveningMostly clear50°feels 50°
OvernightClear36°feels 36°
64 °Overcast

Arnold, Monday, 19 October

Overcast. High 64°, low 35°.

Pressure29.97 inHg
Wind1 mph NE
Humidity49%
Visibility6.2 mi
Dew point36°
Tue, 2061° / 37°0Overcast
MorningPartly cloudy37°feels 37°
AfternoonOvercast59°feels 57°
EveningMostly clear47°feels 47°
OvernightOvercast38°feels 38°
61 °Overcast

Arnold, Tuesday, 20 October

Overcast. High 61°, low 37°.

Pressure30.09 inHg
Wind3.1 mph N
Humidity47%
Visibility6.2 mi
Dew point35°
Wed, 2162° / 39°0Clear
MorningClear41°feels 41°
AfternoonClear59°feels 57°
EveningClear55°feels 53°
OvernightMostly clear42°feels 42°
62 °Clear

Arnold, Wednesday, 21 October

Clear. High 62°, low 39°.

Pressure30.09 inHg
Wind0.4 mph N
Humidity59%
Visibility6.2 mi
Dew point40°
Thu, 2265° / 42°0Partly cloudy
MorningPartly cloudy47°feels 46°
AfternoonPartly cloudy59°feels 57°
EveningPartly cloudy58°feels 56°
OvernightPartly cloudy48°feels 47°
65 °Partly cloudy

Arnold, Thursday, 22 October

Partly cloudy. High 65°, low 42°.

Pressure29.91 inHg
Wind4.8 mph S
Humidity53%
Visibility—
Dew point40°
Fri, 2355° / 43°0Light rain
MorningLight rain46°feels 46°
AfternoonLight rain53°feels 51°
EveningLight rain51°feels 48°
OvernightLight rain46°feels 43°
55 °Light rain

Arnold, Friday, 23 October

Light rain. High 55°, low 43°.

Pressure29.94 inHg
Wind8.4 mph SE
Humidity62%
Visibility—
Dew point39°
Sat, 2459° / 45°0Overcast
MorningOvercast47°feels 47°
AfternoonOvercast53°feels 51°
EveningOvercast53°feels 51°
OvernightOvercast47°feels 46°
59 °Overcast

Arnold, Saturday, 24 October

Overcast. High 59°, low 45°.

Pressure30.09 inHg
Wind4.3 mph NE
Humidity57%
Visibility—
Dew point37°
Sun, 2561° / 42°0Clear
MorningClear46°feels 45°
AfternoonClear55°feels 53°
EveningClear54°feels 51°
OvernightClear47°feels 45°
61 °Clear

Arnold, Sunday, 25 October

Clear. High 61°, low 42°.

Pressure30.15 inHg
Wind5.3 mph S
Humidity44%
Visibility—
Dew point32°
Mon, 2665° / 43°0Clear
MorningClear47°feels 45°
AfternoonClear58°feels 55°
EveningClear56°feels 53°
OvernightClear48°feels 46°
65 °Clear

Arnold, Monday, 26 October

Clear. High 65°, low 43°.

Pressure30.00 inHg
Wind4.9 mph S
Humidity29%
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 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.