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As of 06:47 MDT

Weather in Marion, MT

22°Current weather

Marion, Tuesday, 13 October, 06:47

Partly cloudy. Feels like 22°. High 48°, low 22°.

Pressure30.12 inHg
Wind1.6 mph NW
Humidity95%
Visibility3.5 mi
Dew point21°
Wed, 1453° / 31°0Clear
53 °Clear

Marion, Wednesday, 14 October

Clear. High 53°, low 31°.

Pressure30.24 inHg
Wind3.9 mph SW
Humidity58%
Visibility6.2 mi
Dew point33°
Thu, 1559° / 39°0Clear
59 °Clear

Marion, Thursday, 15 October

Clear. High 59°, low 39°.

Pressure30.56 inHg
Wind4.2 mph E
Humidity62%
Visibility6.2 mi
Dew point38°
Fri, 1665° / 41°0Overcast
65 °Overcast

Marion, Friday, 16 October

Overcast. High 65°, low 41°.

Pressure30.36 inHg
Wind2.7 mph S
Humidity53%
Visibility6.2 mi
Dew point38°
Sat, 1763° / 43°0Clear
63 °Clear

Marion, Saturday, 17 October

Clear. High 63°, low 43°.

Pressure29.91 inHg
Wind14.5 mph SW
Humidity39%
Visibility—
Dew point35°
Sun, 1857° / 41°0Clear
57 °Clear

Marion, Sunday, 18 October

Clear. High 57°, low 41°.

Pressure30.03 inHg
Wind3.3 mph SW
Humidity52%
Visibility—
Dew point35°
Mon, 1952° / 39°0.02Light rain
52 °Light rain

Marion, Monday, 19 October

Light rain. High 52°, low 39°.

Pressure29.74 inHg
Wind3 mph NW
Humidity71%
Visibility—
Dew point39°
Tue, 2044° / 35°0.09Light rain
44 °Light rain

Marion, Tuesday, 20 October

Light rain. High 44°, low 35°.

Pressure29.94 inHg
Wind5.4 mph SW
Humidity75%
Visibility—
Dew point34°
Wed, 2149° / 32°0Overcast
49 °Overcast

Marion, Wednesday, 21 October

Overcast. High 49°, low 32°.

Pressure30.12 inHg
Wind5.2 mph W
Humidity59%
Visibility—
Dew point29°
Thu, 2238° / 33°0.05Snow
38 °Snow

Marion, Thursday, 22 October

Snow. High 38°, low 33°.

Pressure30.00 inHg
Wind3.9 mph SW
Humidity94%
Visibility—
Dew point36°
Fri, 2340° / 35°0.06Light snow
40 °Light snow

Marion, Friday, 23 October

Light snow. High 40°, low 35°.

Pressure30.39 inHg
Wind3.6 mph NW
Humidity89%
Visibility—
Dew point34°
Sat, 2442° / 34°0Overcast
42 °Overcast

Marion, Saturday, 24 October

Overcast. High 42°, low 34°.

Pressure30.39 inHg
Wind6.9 mph W
Humidity61%
Visibility—
Dew point27°
Sun, 2542° / 26°0.19Snow
42 °Snow

Marion, Sunday, 25 October

Snow. High 42°, low 26°.

Pressure30.39 inHg
Wind8.3 mph NE
Humidity96%
Visibility—
Dew point34°
Mon, 2644° / 20°0Partly cloudy
44 °Partly cloudy

Marion, Monday, 26 October

Partly cloudy. High 44°, low 20°.

Pressure30.42 inHg
Wind2.2 mph N
Humidity57%
Visibility—
Dew point23°
Tue, 2752° / 26°0Partly cloudy
52 °Partly cloudy

Marion, Tuesday, 27 October

Partly cloudy. High 52°, low 26°.

Pressure30.39 inHg
Wind2.7 mph E
Humidity60%
Visibility—
Dew point30°
Wed, 2854° / 33°0Mostly clear
54 °Mostly clear

Marion, Wednesday, 28 October

Mostly clear. High 54°, low 33°.

Pressure29.97 inHg
Wind2.6 mph SE
Humidity65%
Visibility—
Dew point35°

About the monthly outlook

How accurate is a 30-day forecast?

The first 16 days come from weather models — reliable for the first 3–5 days and progressively less so after that. Days 17 through 30 for Marion, MT are built from the climate normal, the 60-year average, so they show typical weather for those dates rather than a specific forecast.

What does "above normal" mean?

We compare the forecast against the climate normal for those exact calendar days, computed from 60 years of observations. The deviation shows how much the coming month differs from a typical one.

Where do the 66-year records come from?

They are real temperature extremes recorded in Marion, MT since 1960: the highest and lowest reading for each calendar date, with the year it happened.

How often is it updated?

The forecast portion refreshes every hour; the climate portion is based on long-term data and stays stable.