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As of 22:20 MST

Weather in Portal, MT

34°Current weather

Portal, Saturday, 14 November, 22:20

Partly cloudy. Feels like 28°. High 49°, low 30°.

Pressure29.91 inHg
Wind7 mph SW
Humidity82%
Visibility6.2 mi
Dew point29°

10-day forecast for Portal, MT: 16° to 51°, with precipitation expected on 3 days. The table below breaks each day into morning, afternoon, evening and overnight.

51°
Best day: Sunday, November 15
33° · 0.59 in
Worst day: Tuesday, November 17

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

Sun, 1551° / 27°0Overcast
MorningMostly clear32°feels 25°
AfternoonOvercast51°feels 48°
EveningPartly cloudy33°feels 27°
OvernightOvercast29°feels 23°
51 °Overcast

Portal, Sunday, 15 November

Overcast. High 51°, low 27°.

Pressure29.94 inHg
Wind9.5 mph S
Humidity58%
Visibility3.7 mi
Dew point27°
Mon, 1646° / 28°0.04Light rain
MorningOvercast36°feels 32°
AfternoonOvercast46°feels 45°
EveningOvercast35°feels 35°
OvernightOvercast29°feels 23°
46 °Light rain

Portal, Monday, 16 November

Light rain. High 46°, low 28°.

Pressure29.94 inHg
Wind5.6 mph S
Humidity53%
Visibility6.2 mi
Dew point26°
Tue, 1733° / 26°0.59Snow
MorningSnow31°feels 27°
AfternoonSnow29°feels 23°
EveningOvercast27°feels 22°
OvernightLight rain32°feels 32°
33 °Snow

Portal, Tuesday, 17 November

Snow. High 33°, low 26°.

Pressure29.94 inHg
Wind4.9 mph N
Humidity99%
Visibility1.6 mi
Dew point29°
Wed, 1833° / 16°0.02Light snow
MorningOvercast16°feels 16°
AfternoonOvercast33°feels 29°
EveningOvercast20°feels 20°
OvernightOvercast26°feels 26°
33 °Light snow

Portal, Wednesday, 18 November

Light snow. High 33°, low 16°.

Pressure30.15 inHg
Wind1.9 mph SE
Humidity89%
Visibility4.7 mi
Dew point22°
Thu, 1936° / 20°0.04Light snow
MorningLight snow25°feels 20°
AfternoonLight snow33°feels 30°
EveningLight snow31°feels 31°
OvernightLight snow27°feels 26°
36 °Light snow

Portal, Thursday, 19 November

Light snow. High 36°, low 20°.

Pressure30.09 inHg
Wind4.3 mph SW
Humidity82%
Visibility—
Dew point27°
Fri, 2033° / 25°0.09Light snow
MorningLight snow26°feels 25°
AfternoonLight snow28°feels 23°
EveningLight snow28°feels 23°
OvernightLight snow27°feels 23°
33 °Light snow

Portal, Friday, 20 November

Light snow. High 33°, low 25°.

Pressure30.06 inHg
Wind5.4 mph N
Humidity95%
Visibility—
Dew point27°
Sat, 2137° / 22°0Overcast
MorningOvercast28°feels 25°
AfternoonOvercast34°feels 33°
EveningOvercast25°feels 20°
OvernightOvercast22°feels 17°
37 °Overcast

Portal, Saturday, 21 November

Overcast. High 37°, low 22°.

Pressure30.21 inHg
Wind4.5 mph W
Humidity74%
Visibility—
Dew point26°
Sun, 2238° / 23°0Overcast
MorningOvercast27°feels 23°
AfternoonOvercast32°feels 28°
EveningOvercast26°feels 22°
OvernightOvercast26°feels 21°
38 °Overcast

Portal, Sunday, 22 November

Overcast. High 38°, low 23°.

Pressure30.09 inHg
Wind4.6 mph SW
Humidity71%
Visibility—
Dew point24°
Mon, 2340° / 25°0Overcast
MorningOvercast30°feels 26°
AfternoonOvercast36°feels 32°
EveningOvercast27°feels 20°
OvernightOvercast26°feels 19°
40 °Overcast

Portal, Monday, 23 November

Overcast. High 40°, low 25°.

Pressure30.00 inHg
Wind8.9 mph SW
Humidity63%
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 Portal, 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.