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As of 16:39 MDT

Weather in Mammoth, UT

41°Current weather

Mammoth, Tuesday, 13 October, 16:39

Overcast. Feels like 36°. High 41°, low 38°.

Pressure30.03 inHg
Wind6.1 mph NW
Humidity81%
Visibility5.7 mi
Dew point35°
Wed, 1446° / 36°0Overcast
46 °Overcast

Mammoth, Wednesday, 14 October

Overcast. High 46°, low 36°.

Pressure30.12 inHg
Wind11.3 mph NW
Humidity58%
Visibility3.8 mi
Dew point33°
Thu, 1557° / 35°0Clear
57 °Clear

Mammoth, Thursday, 15 October

Clear. High 57°, low 35°.

Pressure30.45 inHg
Wind5.3 mph NE
Humidity50%
Visibility6.2 mi
Dew point34°
Fri, 1663° / 38°0Clear
63 °Clear

Mammoth, Friday, 16 October

Clear. High 63°, low 38°.

Pressure30.50 inHg
Wind3.2 mph NE
Humidity33%
Visibility6.2 mi
Dew point17°
Sat, 1764° / 41°0Overcast
64 °Overcast

Mammoth, Saturday, 17 October

Overcast. High 64°, low 41°.

Pressure30.24 inHg
Wind6.1 mph S
Humidity30%
Visibility6.2 mi
Dew point21°
Sun, 1862° / 38°0Clear
62 °Clear

Mammoth, Sunday, 18 October

Clear. High 62°, low 38°.

Pressure30.06 inHg
Wind5.5 mph SW
Humidity33%
Visibility—
Dew point28°
Mon, 1964° / 43°0Clear
64 °Clear

Mammoth, Monday, 19 October

Clear. High 64°, low 43°.

Pressure30.00 inHg
Wind11.9 mph S
Humidity32%
Visibility—
Dew point28°
Tue, 2062° / 49°0.17Rain
62 °Rain

Mammoth, Tuesday, 20 October

Rain. High 62°, low 49°.

Pressure29.71 inHg
Wind23.6 mph SW
Humidity27%
Visibility—
Dew point26°
Wed, 2145° / 38°0.04Light rain
45 °Light rain

Mammoth, Wednesday, 21 October

Light rain. High 45°, low 38°.

Pressure29.77 inHg
Wind16.3 mph SW
Humidity49%
Visibility—
Dew point26°
Thu, 2247° / 34°0.01Light rain
47 °Light rain

Mammoth, Thursday, 22 October

Light rain. High 47°, low 34°.

Pressure29.94 inHg
Wind9.6 mph W
Humidity49%
Visibility—
Dew point24°
Fri, 2350° / 34°0.06Snow
50 °Snow

Mammoth, Friday, 23 October

Snow. High 50°, low 34°.

Pressure29.80 inHg
Wind22.3 mph SW
Humidity35%
Visibility—
Dew point20°
Sat, 2435° / 28°0.27Snow
35 °Snow

Mammoth, Saturday, 24 October

Snow. High 35°, low 28°.

Pressure30.09 inHg
Wind8.6 mph N
Humidity93%
Visibility—
Dew point32°
Sun, 2542° / 25°0Clear
42 °Clear

Mammoth, Sunday, 25 October

Clear. High 42°, low 25°.

Pressure30.27 inHg
Wind5.7 mph SW
Humidity57%
Visibility—
Dew point22°
Mon, 2643° / 27°0.01Snow
43 °Snow

Mammoth, Monday, 26 October

Snow. High 43°, low 27°.

Pressure30.00 inHg
Wind10.8 mph NW
Humidity44%
Visibility—
Dew point18°
Tue, 2738° / 29°0.08Snow
38 °Snow

Mammoth, Tuesday, 27 October

Snow. High 38°, low 29°.

Pressure30.21 inHg
Wind9.5 mph NW
Humidity64%
Visibility—
Dew point24°
Wed, 2843° / 25°0Clear
43 °Clear

Mammoth, Wednesday, 28 October

Clear. High 43°, low 25°.

Pressure30.36 inHg
Wind4.6 mph NE
Humidity46%
Visibility—
Dew point18°

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.