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As of 13:22 MDT

Weather in Greycliff, MT

61°Current weather

Greycliff, Sunday, 18 October, 13:22

Clear. Feels like 59°. High 62°, low 40°.

Pressure30.06 inHg
Wind11.5 mph E
Humidity37%
Visibility6.2 mi
Dew point35°
Mon, 1971° / 41°0Overcast
71 °Overcast

Greycliff, Monday, 19 October

Overcast. High 71°, low 41°.

Pressure29.97 inHg
Wind1 mph SE
Humidity36%
Visibility6.2 mi
Dew point32°
Tue, 2067° / 42°0Partly cloudy
67 °Partly cloudy

Greycliff, Tuesday, 20 October

Partly cloudy. High 67°, low 42°.

Pressure30.00 inHg
Wind2.7 mph W
Humidity34%
Visibility6.2 mi
Dew point34°
Wed, 2161° / 38°0Clear
61 °Clear

Greycliff, Wednesday, 21 October

Clear. High 61°, low 38°.

Pressure30.12 inHg
Wind2.8 mph E
Humidity60%
Visibility6.2 mi
Dew point42°
Thu, 2268° / 41°0Clear
68 °Clear

Greycliff, Thursday, 22 October

Clear. High 68°, low 41°.

Pressure29.83 inHg
Wind0.8 mph NE
Humidity51%
Visibility6.2 mi
Dew point41°
Fri, 2349° / 41°0.59Rain
49 °Rain

Greycliff, Friday, 23 October

Rain. High 49°, low 41°.

Pressure29.68 inHg
Wind20.4 mph W
Humidity95%
Visibility—
Dew point42°
Sat, 2448° / 38°0Light snow
48 °Light snow

Greycliff, Saturday, 24 October

Light snow. High 48°, low 38°.

Pressure30.39 inHg
Wind12.1 mph W
Humidity68%
Visibility—
Dew point32°
Sun, 2560° / 38°0Overcast
60 °Overcast

Greycliff, Sunday, 25 October

Overcast. High 60°, low 38°.

Pressure30.06 inHg
Wind7.6 mph E
Humidity50%
Visibility—
Dew point33°
Mon, 2650° / 38°0Overcast
50 °Overcast

Greycliff, Monday, 26 October

Overcast. High 50°, low 38°.

Pressure30.03 inHg
Wind10.4 mph E
Humidity58%
Visibility—
Dew point31°
Tue, 2756° / 36°0.02Light rain
56 °Light rain

Greycliff, Tuesday, 27 October

Light rain. High 56°, low 36°.

Pressure29.71 inHg
Wind25.2 mph SW
Humidity63%
Visibility—
Dew point32°
Wed, 2855° / 40°0Overcast
55 °Overcast

Greycliff, Wednesday, 28 October

Overcast. High 55°, low 40°.

Pressure29.65 inHg
Wind28.4 mph W
Humidity23%
Visibility—
Dew point14°
Thu, 2945° / 25°0.42Snow
45 °Snow

Greycliff, Thursday, 29 October

Snow. High 45°, low 25°.

Pressure29.74 inHg
Wind18.9 mph N
Humidity49%
Visibility—
Dew point23°
Fri, 3030° / 14°0.14Snow
30 °Snow

Greycliff, Friday, 30 October

Snow. High 30°, low 14°.

Pressure30.27 inHg
Wind18.4 mph W
Humidity78%
Visibility—
Dew point19°
Sat, 3137° / 12°0Mostly clear
37 °Mostly clear

Greycliff, Saturday, 31 October

Mostly clear. High 37°, low 12°.

Pressure30.09 inHg
Wind8.3 mph W
Humidity87%
Visibility—
Dew point27°
Sun, 0137° / 22°0Overcast
37 °Overcast

Greycliff, Sunday, 1 November

Overcast. High 37°, low 22°.

Pressure30.06 inHg
Wind6.5 mph SW
Humidity84%
Visibility—
Dew point29°
Mon, 0255° / 34°0Partly cloudy
55 °Partly cloudy

Greycliff, Monday, 2 November

Partly cloudy. High 55°, low 34°.

Pressure29.80 inHg
Wind15.5 mph W
Humidity88%
Visibility—
Dew point41°

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 Greycliff, 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 Greycliff, 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.