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As of 03:01 MST

Weather in Portal, MT

37°Current weather

Portal, Friday, 13 November, 03:01

Overcast. Feels like 37°. High 53°, low 28°.

Pressure29.80 inHg
Wind2 mph SW
Humidity65%
Visibility6.2 mi
Dew point26°

10-day forecast for Portal, MT: 9° to 53°, with precipitation expected on 5 days. The table below breaks each day into morning, afternoon, evening and overnight.

53°
Best day: Friday, November 13
30° · 0.73 in
Worst day: Tuesday, November 17

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

Sat, 1443° / 30°0Overcast
MorningPartly cloudy30°feels 25°
AfternoonOvercast43°feels 40°
EveningPartly cloudy32°feels 29°
OvernightOvercast32°feels 29°
43 °Overcast

Portal, Saturday, 14 November

Overcast. High 43°, low 30°.

Pressure29.68 inHg
Wind5.7 mph SW
Humidity51%
Visibility6.2 mi
Dew point31°
Sun, 1547° / 29°0Overcast
MorningOvercast29°feels 22°
AfternoonOvercast47°feels 42°
EveningOvercast33°feels 27°
OvernightPartly cloudy29°feels 23°
47 °Overcast

Portal, Sunday, 15 November

Overcast. High 47°, low 29°.

Pressure29.91 inHg
Wind8.8 mph S
Humidity56%
Visibility6.2 mi
Dew point27°
Mon, 1645° / 29°0.21Snow
MorningOvercast30°feels 25°
AfternoonOvercast45°feels 42°
EveningLight rain33°feels 29°
OvernightOvercast29°feels 23°
45 °Snow

Portal, Monday, 16 November

Snow. High 45°, low 29°.

Pressure29.91 inHg
Wind5.7 mph S
Humidity58%
Visibility6.2 mi
Dew point27°
Tue, 1730° / 24°0.73Snow
MorningSnow29°feels 21°
AfternoonSnow26°feels 17°
EveningSnow24°feels 16°
OvernightLight snow30°feels 25°
30 °Snow

Portal, Tuesday, 17 November

Snow. High 30°, low 24°.

Pressure30.00 inHg
Wind10.1 mph N
Humidity98%
Visibility—
Dew point26°
Wed, 1831° / 19°0.12Light snow
MorningLight snow25°feels 23°
AfternoonLight snow26°feels 22°
EveningLight snow20°feels 20°
OvernightLight snow22°feels 22°
31 °Light snow

Portal, Wednesday, 18 November

Light snow. High 31°, low 19°.

Pressure29.91 inHg
Wind4.5 mph N
Humidity92%
Visibility—
Dew point24°
Thu, 1928° / 19°0.05Light snow
MorningLight snow26°feels 21°
AfternoonLight snow27°feels 23°
EveningLight snow24°feels 21°
OvernightLight snow20°feels 19°
28 °Light snow

Portal, Thursday, 19 November

Light snow. High 28°, low 19°.

Pressure30.24 inHg
Wind4.1 mph NE
Humidity87%
Visibility—
Dew point24°
Fri, 2032° / 16°0Overcast
MorningOvercast20°feels 20°
AfternoonOvercast28°feels 28°
EveningOvercast20°feels 20°
OvernightOvercast17°feels 17°
32 °Overcast

Portal, Friday, 20 November

Overcast. High 32°, low 16°.

Pressure30.21 inHg
Wind3.2 mph E
Humidity78%
Visibility—
Dew point21°
Sat, 2138° / 17°0Mostly clear
MorningMostly clear22°feels 19°
AfternoonMostly clear33°feels 32°
EveningMostly clear25°feels 20°
OvernightMostly clear21°feels 14°
38 °Mostly clear

Portal, Saturday, 21 November

Mostly clear. High 38°, low 17°.

Pressure29.91 inHg
Wind5.4 mph W
Humidity69%
Visibility—
Dew point23°
Sun, 2227° / 9°0.11Light snow
MorningLight snow22°feels 15°
AfternoonLight snow25°feels 16°
EveningLight snow14°feels 3°
OvernightLight snow12°feels 2°
27 °Light snow

Portal, Sunday, 22 November

Light snow. High 27°, low 9°.

Pressure30.09 inHg
Wind9.1 mph N
Humidity82%
Visibility—
Dew point21°

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.