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As of 20:00 MDT

Weather in Arnold, MT

82°Current weather

Arnold, Saturday, 8 August, 20:00

Mostly clear. Feels like 81°. High 89°, low 56°.

Pressure29.74 inHg
Wind5 mph SE
Humidity27%
Visibility6.2 mi
Dew point42°

10-day forecast for Arnold, MT: 51° to 97°, with precipitation expected on 3 days. The table below breaks each day into morning, afternoon, evening and overnight.

97°
Best day: Monday, August 10
85° · 0.35 in
Worst day: Saturday, August 15

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

Sun, 0985° / 52°0Overcast
MorningClear59°feels 55°
AfternoonOvercast82°feels 80°
EveningPartly cloudy77°feels 75°
OvernightOvercast59°feels 55°
85 °Overcast

Arnold, Sunday, 9 August

Overcast. High 85°, low 52°.

Pressure29.83 inHg
Wind6.9 mph N
Humidity11%
Visibility6.2 mi
Dew point25°
Mon, 1097° / 51°0Clear
MorningClear56°feels 53°
AfternoonClear93°feels 88°
EveningOvercast86°feels 83°
OvernightClear58°feels 56°
97 °Clear

Arnold, Monday, 10 August

Clear. High 97°, low 51°.

Pressure29.80 inHg
Wind9.4 mph N
Humidity12%
Visibility6.2 mi
Dew point27°
Tue, 1193° / 55°0Clear
MorningClear63°feels 60°
AfternoonClear90°feels 86°
EveningClear83°feels 80°
OvernightClear60°feels 56°
93 °Clear

Arnold, Tuesday, 11 August

Clear. High 93°, low 55°.

Pressure29.88 inHg
Wind5.7 mph N
Humidity10%
Visibility6.2 mi
Dew point22°
Wed, 1292° / 58°0Overcast
MorningOvercast65°feels 62°
AfternoonOvercast90°feels 86°
EveningOvercast73°feels 72°
OvernightOvercast61°feels 58°
92 °Overcast

Arnold, Wednesday, 12 August

Overcast. High 92°, low 58°.

Pressure29.80 inHg
Wind4 mph N
Humidity16%
Visibility6.2 mi
Dew point34°
Thu, 1390° / 53°0Overcast
MorningOvercast61°feels 60°
AfternoonOvercast80°feels 79°
EveningOvercast73°feels 72°
OvernightOvercast64°feels 62°
90 °Overcast

Arnold, Thursday, 13 August

Overcast. High 90°, low 53°.

Pressure29.77 inHg
Wind17 mph NW
Humidity24%
Visibility—
Dew point38°
Fri, 1483° / 53°0.05Light rain
MorningLight rain59°feels 58°
AfternoonLight rain75°feels 74°
EveningLight rain76°feels 75°
OvernightLight rain59°feels 58°
83 °Light rain

Arnold, Friday, 14 August

Light rain. High 83°, low 53°.

Pressure29.94 inHg
Wind15.7 mph SE
Humidity39%
Visibility—
Dew point45°
Sat, 1585° / 53°0.35Rain
MorningRain59°feels 59°
AfternoonRain72°feels 72°
EveningRain61°feels 61°
OvernightRain59°feels 58°
85 °Rain

Arnold, Saturday, 15 August

Rain. High 85°, low 53°.

Pressure30.06 inHg
Wind6.6 mph N
Humidity47%
Visibility—
Dew point50°
Sun, 1688° / 55°0.09Light rain
MorningLight rain62°feels 62°
AfternoonLight rain79°feels 79°
EveningLight rain71°feels 70°
OvernightLight rain59°feels 58°
88 °Light rain

Arnold, Sunday, 16 August

Light rain. High 88°, low 55°.

Pressure30.00 inHg
Wind10.9 mph E
Humidity34%
Visibility—
Dew point46°
Mon, 1790° / 56°0Partly cloudy
MorningPartly cloudy63°feels 62°
AfternoonPartly cloudy83°feels 81°
EveningPartly cloudy87°feels 83°
OvernightPartly cloudy69°feels 67°
90 °Partly cloudy

Arnold, Monday, 17 August

Partly cloudy. High 90°, low 56°.

Pressure29.97 inHg
Wind5.8 mph NE
Humidity28%
Visibility—
Dew point42°

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.