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As of 16:40 MDT

Weather in Deer Park, MT

67°Current weather

Deer Park, Saturday, 17 October, 16:40

Overcast. Feels like 65°. High 67°, low 36°.

Pressure29.97 inHg
Wind7.3 mph SW
Humidity28%
Visibility6.2 mi
Dew point33°
Sun, 1862° / 35°0Mostly clear
62 °Mostly clear

Deer Park, Sunday, 18 October

Mostly clear. High 62°, low 35°.

Pressure30.12 inHg
Wind1.6 mph W
Humidity44%
Visibility6.2 mi
Dew point34°
Mon, 1966° / 36°0Overcast
66 °Overcast

Deer Park, Monday, 19 October

Overcast. High 66°, low 36°.

Pressure29.97 inHg
Wind5.7 mph SW
Humidity36%
Visibility6.2 mi
Dew point32°
Tue, 2060° / 44°0Overcast
60 °Overcast

Deer Park, Tuesday, 20 October

Overcast. High 60°, low 44°.

Pressure30.09 inHg
Wind3.3 mph NW
Humidity44%
Visibility6.2 mi
Dew point34°
Wed, 2165° / 39°0Clear
65 °Clear

Deer Park, Wednesday, 21 October

Clear. High 65°, low 39°.

Pressure30.06 inHg
Wind4.3 mph SW
Humidity50%
Visibility6.2 mi
Dew point40°
Thu, 2267° / 46°0Partly cloudy
67 °Partly cloudy

Deer Park, Thursday, 22 October

Partly cloudy. High 67°, low 46°.

Pressure29.88 inHg
Wind6.5 mph SW
Humidity46%
Visibility—
Dew point40°
Fri, 2359° / 47°0.03Light rain
59 °Light rain

Deer Park, Friday, 23 October

Light rain. High 59°, low 47°.

Pressure29.94 inHg
Wind7.1 mph N
Humidity58%
Visibility—
Dew point41°
Sat, 2457° / 45°0Overcast
57 °Overcast

Deer Park, Saturday, 24 October

Overcast. High 57°, low 45°.

Pressure30.09 inHg
Wind6.7 mph SW
Humidity58%
Visibility—
Dew point37°
Sun, 2560° / 42°0Clear
60 °Clear

Deer Park, Sunday, 25 October

Clear. High 60°, low 42°.

Pressure30.15 inHg
Wind5.5 mph SW
Humidity52%
Visibility—
Dew point35°
Mon, 2664° / 44°0Clear
64 °Clear

Deer Park, Monday, 26 October

Clear. High 64°, low 44°.

Pressure30.00 inHg
Wind4.9 mph SW
Humidity33%
Visibility—
Dew point27°
Tue, 2763° / 46°0Overcast
63 °Overcast

Deer Park, Tuesday, 27 October

Overcast. High 63°, low 46°.

Pressure29.74 inHg
Wind6.3 mph S
Humidity27%
Visibility—
Dew point23°
Wed, 2864° / 47°0.01Light rain
64 °Light rain

Deer Park, Wednesday, 28 October

Light rain. High 64°, low 47°.

Pressure29.71 inHg
Wind16 mph W
Humidity39%
Visibility—
Dew point31°
Thu, 2951° / 39°0.02Light rain
51 °Light rain

Deer Park, Thursday, 29 October

Light rain. High 51°, low 39°.

Pressure29.68 inHg
Wind24 mph W
Humidity27%
Visibility—
Dew point16°
Fri, 3048° / 31°0Overcast
48 °Overcast

Deer Park, Friday, 30 October

Overcast. High 48°, low 31°.

Pressure29.74 inHg
Wind15 mph W
Humidity34%
Visibility—
Dew point15°
Sat, 3151° / 39°0.03Light rain
51 °Light rain

Deer Park, Saturday, 31 October

Light rain. High 51°, low 39°.

Pressure29.47 inHg
Wind23.4 mph SW
Humidity50%
Visibility—
Dew point31°
Sun, 0143° / 30°0.04Light snow
43 °Light snow

Deer Park, Sunday, 1 November

Light snow. High 43°, low 30°.

Pressure29.97 inHg
Wind21.7 mph W
Humidity31%
Visibility—
Dew point11°

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 Deer Park, 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 Deer Park, 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.