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As of 19:36 MDT

Weather in Mammoth, UT

48°Current weather

Mammoth, Thursday, 15 October, 19:36

Clear. Feels like 48°. High 56°, low 34°.

Pressure30.47 inHg
Wind1.5 mph NW
Humidity67%
Visibility6.2 mi
Dew point37°
Fri, 1658° / 35°0Clear
58 °Clear

Mammoth, Friday, 16 October

Clear. High 58°, low 35°.

Pressure30.53 inHg
Wind2.1 mph NE
Humidity35%
Visibility6.2 mi
Dew point24°
Sat, 1766° / 41°0Clear
66 °Clear

Mammoth, Saturday, 17 October

Clear. High 66°, low 41°.

Pressure30.30 inHg
Wind2.8 mph SE
Humidity28%
Visibility6.2 mi
Dew point22°
Sun, 1864° / 41°0Overcast
64 °Overcast

Mammoth, Sunday, 18 October

Overcast. High 64°, low 41°.

Pressure30.09 inHg
Wind5.5 mph S
Humidity29%
Visibility6.2 mi
Dew point24°
Mon, 1961° / 43°0Partly cloudy
61 °Partly cloudy

Mammoth, Monday, 19 October

Partly cloudy. High 61°, low 43°.

Pressure29.97 inHg
Wind5.7 mph S
Humidity40%
Visibility6.2 mi
Dew point36°
Tue, 2060° / 43°0.03Light rain
60 °Light rain

Mammoth, Tuesday, 20 October

Light rain. High 60°, low 43°.

Pressure29.88 inHg
Wind9.6 mph S
Humidity48%
Visibility—
Dew point36°
Wed, 2162° / 44°0.09Light rain
62 °Light rain

Mammoth, Wednesday, 21 October

Light rain. High 62°, low 44°.

Pressure29.91 inHg
Wind12.2 mph S
Humidity50%
Visibility—
Dew point37°
Thu, 2251° / 43°0.35Light rain
51 °Light rain

Mammoth, Thursday, 22 October

Light rain. High 51°, low 43°.

Pressure29.88 inHg
Wind8.7 mph W
Humidity63%
Visibility—
Dew point36°
Fri, 2345° / 36°0.06Light rain
45 °Light rain

Mammoth, Friday, 23 October

Light rain. High 45°, low 36°.

Pressure30.00 inHg
Wind21.3 mph NW
Humidity49%
Visibility—
Dew point26°
Sat, 2440° / 29°0Clear
40 °Clear

Mammoth, Saturday, 24 October

Clear. High 40°, low 29°.

Pressure30.39 inHg
Wind11.2 mph N
Humidity39%
Visibility—
Dew point13°
Sun, 2543° / 29°0Clear
43 °Clear

Mammoth, Sunday, 25 October

Clear. High 43°, low 29°.

Pressure30.42 inHg
Wind4.9 mph N
Humidity39%
Visibility—
Dew point15°
Mon, 2643° / 34°0.14Snow
43 °Snow

Mammoth, Monday, 26 October

Snow. High 43°, low 34°.

Pressure30.00 inHg
Wind8.8 mph W
Humidity28%
Visibility—
Dew point11°
Tue, 2743° / 28°0.04Light snow
43 °Light snow

Mammoth, Tuesday, 27 October

Light snow. High 43°, low 28°.

Pressure30.12 inHg
Wind3.9 mph W
Humidity51%
Visibility—
Dew point21°
Wed, 2852° / 32°0Overcast
52 °Overcast

Mammoth, Wednesday, 28 October

Overcast. High 52°, low 32°.

Pressure30.06 inHg
Wind10.4 mph SW
Humidity27%
Visibility—
Dew point13°
Thu, 2955° / 40°0.01Light rain
55 °Light rain

Mammoth, Thursday, 29 October

Light rain. High 55°, low 40°.

Pressure30.03 inHg
Wind15.9 mph SW
Humidity35%
Visibility—
Dew point23°
Fri, 3056° / 41°0Mostly clear
56 °Mostly clear

Mammoth, Friday, 30 October

Mostly clear. High 56°, low 41°.

Pressure30.03 inHg
Wind16.8 mph SW
Humidity28%
Visibility—
Dew point20°

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 Mammoth, UT 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 Mammoth, UT 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.