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As of 18:11 MST

Weather in Portal, MT

44°Current weather

Portal, Thursday, 12 November, 18:11

Overcast. Feels like 40°. High 52°, low 34°.

Pressure29.91 inHg
Wind6 mph NW
Humidity56%
Visibility6.2 mi
Dew point30°

10-day forecast for Portal, MT: 8° to 52°, with precipitation expected on 4 days. The table below breaks each day into morning, afternoon, evening and overnight.

52°
Best day: Friday, November 13
29° · 0.54 in
Worst day: Tuesday, November 17

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

Fri, 1352° / 31°0Overcast
MorningOvercast31°feels 25°
AfternoonOvercast52°feels 49°
EveningOvercast39°feels 33°
OvernightOvercast32°feels 26°
52 °Overcast

Portal, Friday, 13 November

Overcast. High 52°, low 31°.

Pressure29.65 inHg
Wind9.1 mph S
Humidity45%
Visibility6.2 mi
Dew point24°
Sat, 1448° / 30°0Partly cloudy
MorningMostly clear35°feels 30°
AfternoonOvercast47°feels 45°
EveningPartly cloudy32°feels 29°
OvernightOvercast36°feels 36°
48 °Partly cloudy

Portal, Saturday, 14 November

Partly cloudy. High 48°, low 30°.

Pressure29.68 inHg
Wind6.2 mph SW
Humidity50%
Visibility6.2 mi
Dew point32°
Sun, 1546° / 29°0Overcast
MorningPartly cloudy29°feels 22°
AfternoonOvercast46°feels 41°
EveningPartly cloudy33°feels 27°
OvernightMostly clear29°feels 23°
46 °Overcast

Portal, Sunday, 15 November

Overcast. High 46°, low 29°.

Pressure29.91 inHg
Wind9 mph S
Humidity56%
Visibility6.2 mi
Dew point27°
Mon, 1644° / 30°0.19Snow
MorningOvercast32°feels 27°
AfternoonOvercast44°feels 41°
EveningSnow35°feels 33°
OvernightOvercast30°feels 24°
44 °Snow

Portal, Monday, 16 November

Snow. High 44°, low 30°.

Pressure29.85 inHg
Wind5.5 mph S
Humidity58%
Visibility6.2 mi
Dew point27°
Tue, 1729° / 23°0.54Snow
MorningSnow28°feels 22°
AfternoonSnow28°feels 19°
EveningSnow25°feels 16°
OvernightSnow24°feels 17°
29 °Snow

Portal, Tuesday, 17 November

Snow. High 29°, low 23°.

Pressure30.03 inHg
Wind9.4 mph N
Humidity97%
Visibility—
Dew point27°
Wed, 1836° / 21°0.04Light snow
MorningLight snow26°feels 21°
AfternoonLight snow33°feels 29°
EveningLight snow24°feels 20°
OvernightLight snow21°feels 20°
36 °Light snow

Portal, Wednesday, 18 November

Light snow. High 36°, low 21°.

Pressure29.91 inHg
Wind5 mph SE
Humidity74%
Visibility—
Dew point26°
Thu, 1927° / 24°0.42Snow
MorningSnow26°feels 21°
AfternoonSnow26°feels 19°
EveningSnow24°feels 18°
OvernightSnow24°feels 19°
27 °Snow

Portal, Thursday, 19 November

Snow. High 27°, low 24°.

Pressure30.06 inHg
Wind7.5 mph N
Humidity90%
Visibility—
Dew point24°
Fri, 2028° / 15°0.15Snow
MorningSnow24°feels 23°
AfternoonSnow27°feels 22°
EveningSnow21°feels 16°
OvernightSnow16°feels 11°
28 °Snow

Portal, Friday, 20 November

Snow. High 28°, low 15°.

Pressure30.24 inHg
Wind4.7 mph NE
Humidity86%
Visibility—
Dew point23°
Sat, 2125° / 8°0.01Light snow
MorningLight snow16°feels 8°
AfternoonLight snow21°feels 14°
EveningLight snow12°feels 11°
OvernightLight snow9°feels 1°
25 °Light snow

Portal, Saturday, 21 November

Light snow. High 25°, low 8°.

Pressure30.30 inHg
Wind6.5 mph N
Humidity82%
Visibility—
Dew point16°

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.